Chevy Truck: Active Grille Shutter
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- เผยแพร่เมื่อ 15 ก.ย. 2024
- In this video I fix a customers 2017 Chevy 1500 with the big 5.3 that had a code stored in it for "loss of communication with a device on the LIN bus" U1510. Lucky for us there is only one device on the LIN bus in the ECM and that is the active grille shutter. Easy peasy!
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Just to clear some stuff up here is the description and operation of the active grille shutter right from GM service data:
*DESCRIPTION AND OPERATION > ACTIVE GRILLE AIR SHUTTER DESCRIPTION AND OPERATION*
The active grille air shutter system closes shutters in the front grille to enhance vehicle aerodynamics in driving situations where cooling and A/C loads are relatively low and high levels of front end airflow are not required. If high levels of airflow are required the active grille air shutter system will open one or both shutters. The control signal from the engine control module, ignition and ground circuits enable the active grille air shutter actuators to operate. If the conditions for opening the shutters are reached the engine control module commands the active grille air shutter actuators to open one or both shutters.
The dual active grille air shutter system consists of two aero shutter mechanisms located in the front grille for controlling the amount of air entering the engine compartment. It includes three wires; ground, power and a Local Interconnect Network (LIN) Bus serial data circuit from the engine control module to the shutter actuator. The engine control module determines shutter state based on various vehicle conditions such as vehicle speed, coolant temperature, fan state, refrigerant system pressure, A/C compressor state and ambient temperature. The engine control module has the ability to command each shutter individually to the open or closed positions through communications on the LIN Bus.
The actuators are powered by an ignition circuit that is active when the key is in the RUN position. The vehicle may have to be driven for up to 13 minutes at speeds greater than 41 km/h (25 mph) before a shutter begins to move. If low ambient temperature is detected, the shutters will remain in the closed position.
Wow, it does all that. Where can I get one for my 87 F150?
airo what,,its a 4.5t truck, shaped like a box..im sure wind tunnel time created this..we use cardboard,,never fails..well, seeing tech is advancing,,in the next 6 months,,they,ll fix themselves..im in a 4x4 club,in aus..registered,not cowboy,,, all these new 4x4rs, out in the simpson desert, 1 sensor shts,,you die..its like death valley, but 400 times bigger..we carry fuel for at least 600 miles,, seems like all modern cars, everything shts around them, too much tech.. great work, vids, keep em coming..
so it's essentially a big blend door actuator to keep the bay cool?
Oh boy how great. Pretty sure the snow plow/camper prep package removes those but can anyone confirm?
@@2552 its actually to help it get and stay warm during cold weather.
Back in my day an active grille air shutter was the process of people sticking part of a cut up K-mart box in front of the radiator and then removing the cardboard at the appropriate temp. 🙂
This comment is gold! Did this plenty back in the day, so true!
Kmart? That was a long time ago.
EXACTLY! I live in NE Tennessee and I also drive a 1990 S10 Pickup. On the cold 20-30f mornings, I'll grab a long cardboard cut-out and lay it horizontal against the radiator. The fan will suck it and hold it against the core support and that'll help lessen airflow. Super useful for the older fan clutches!
This comment just makes me miss the big K. Ours had a cafeteria in it. Did yours? 😥
Yep mine always had the best cheeseburgers
You all and the Rainman have inspired me to dedicate the next 10 years of my life accumulating enough pre '96 vehicles to last me the rest of my life. Then I'll never be forced to drive one of these computerized plastic monstrosities.
😂❤ yessss
Lol i laughed out loud when you mentioned asking why they couldnt just call it, "loss of communication with active grill shutter." Its a valid question!
Right?!
First rule of coding (computer programming) garbage in = garbage out.
That was fun.
I did one of those yesterday - almost put the new one on without the temp sensor.
There's a little circuit board on the motor for this thing, full of corrosion.
Not to worry - GM is saving their electrical sh*t that doesn't corrode for their upcoming EV's. Those will be trouble free.
🤣😁
🤣😅🤣
GarbageMotors
The GM fires will be absolutely spectacular with the lithium batteries!
With all manufactuers going electric every day will be bonfire day start buying your fireworks now LOL.
Man that little pneumatic ratchet is louder than my mother in law while fighting with my wife about what a mistake she made marrying me and just a little less annoying. However, it is quite useful to have around, so very much opposite my mother in law.
LOL.
Lol😂
The more I look at these newfangled critters, the better I like my 1970 C10
I like the way Trane used active shutters on old commercial condensing units, but it wasn't for aerodynamics, lol. They had shutters to control head pressure for cold weather operation (many large buildings need cooling in certain areas like communication rooms in the winter). The shutters were operated by a pneumatic cylinder pressurized by refrigerant from the discharge side of the compressor. So in cool weather the reduced refrigerant pressure allowed the cylinder to close the shutters to maintain a reasonable pressure. No damn sensors, no electric motors, no computers, just pure mechanical reliability.
I just thought someone might find that interesting.
the active shutter is not for aero dynamics!
Until that damn actuator started leaking!
@@Frank-fz4tm That goes without saying, but the ones that I saw were at least 25 years old at the time. And times were different, adding freon at each inspection was considered normal maintenance. Up until the early 90s, we only fixed major leaks, after that we started fixing everything
Back in the day, I had a 1974 Wartburg Knight. It had a grill shutter you could open/close in really cold weather to speed engine warmup. You pushed/pulled a little handle under the dash and a thin solid cable was connected to the grill.
You can put an 8mm socket on the white plastic fasteners that hold the fender trim piece. The socket will squeeze the tabs and the trim will pop free. I learned that trick from an old timer in a bodyshop.
I appreciate you showing me how to fix cars I'll never work on for all these years.
Utterly fascinating.
Shutterly fascinating!
@@davidgriffin14 Second from top comment.
You know what Gmc stand for GIVE ME MORE CLIPS!!!!!.AS ALWAYS GREAT WORK AS USUALLY
I appreciate your honesty regarding things you don’t understand or have never experienced. But you always stay focused and determined to get the job done and done very well. This is one of my favorite channels.
The bumper filler is easier to release bottom tabs by reaching up from below behind the bumper and pull down on the tabs. I had a 39 Packard with active grille shutters. They had a thermal spring in the top of the radiator with a rod going to shutter. The car was 40 years old when I got it and it still worked great. Now we need a computer to do it , Progress?
I maintain the floor mounted dimmer switch was perfectly fine. It's been downhill for autos since it was abandoned.
The computer can shut it on the highway too!
We've reached the day where a grille can cause an safety and/or emissions inspection failure (depending on your state and what each inspection covers).
Glad I live in a reality state where all that safety/emission crap isn't required. We even got rid of speed limits for a while. Not sure why they put them back though.
@Marty's 4x4 Sad, because it was actually safer than people being panicking about getting pulled over. I moved to WA before they put the speed limits back, and never knew why. Thanks for the info! I moved back here about 10 years ago due to medical reasons. WA is turning into California part 2...
@Marty's 4x4 They did the same thing with the drinking age back in the 80s
@@squishy312 Feds said they would cut off all highway funding if they didn't. Just like they did here over the seatbelt law.
@@sunnydeng9263 No, most people don't. The idiots that do, are the ones that actually would get pulled over for something like that. The speed limit removal was on the highways and interstate, not in town. Even when it was removed, people could get tickets for weaving in and out of traffic and going way faster than the flow of traffic. Idiots who have no value of other people are the ones that are the problem with and without the laws. The law changes nothing then.
As a 23 year GM body technician, I can commiserate watching you take that apart. I get furious at the way things are put together now. I honestly can’t believe you got those flare clips out just by pulling and not have them break, I always squeeze them from behind. One thing that could have saved you a little aggravation is we leave the cover attached to the grille and save all those clips aggravation
I would but you have to remove the cover first to get to the bolts to remove the grill
I hate working on cars but I sure do enjoy watching you do so Eric.. thanks for the education and entertainment!!
I guess they felt the need to use that to improve aerodynamics and fuel economy. I would have thought that not making the front of the truck a flat wall 10 feet tall for no reason would be a better strategy, but apparently that's just inconceivable.
Eric you are correct. At 23:15 you say they go together easier than they come apart because of the assemblers standing on the line. Yes! I did that for a year at the oldsmobile factory 50 years ago. We made a car every 40 seconds, 3 cars every 2 minutes. No robots to speed the process. We laughed at all the items we assembled (most) that clearly were going to be _hard_ to remove for repair. That sticky tape was only to help assembly. The two donger (25:07) is a strap independent of the fender guard. It holds the end of the bumper guard to the fender.
I always love the die hard lovers of any car brand, especially the ones who don't work in a shop. They just don't see that they all break and that's what keeps mechanics employed.
I worked on Autocar trucks in the 70s and they had temp operated radiator shutters..You could hear the change in air flow when they opened, and they made for a cool looking grill.
Drove one...dumping concrete on i40.....got tired of the noise...put a plug in the line..shutters..open all the time....summer time....boss never knew I guess.
Air shutters come open then the fan clutch kicked on, the 400 big cam cummins sounded like it was ready for take off haha
Never gets old spending a few minutes with Eric O, and also tha Ave Fella. Learned quite a bit from both of those guys.
It's amazing how all though snap-together parts become so easily disassembled in the most minor of front end accidents. 😆
Yea, the 450 dollar grille shutter for my dart... i hit a raccoon...
Should start making the front ends out of Legos.
😂😂😂
@@SpaceCadet4Jesusthe patent license would be too expensive
I always learn something new when I watch your videos
Had this happen to me on my 18 Silverado. Driving in heavy rain storm, next day shutter failed. Split open bad motor and water dripped out. You could see where the circuit fried. I did apply sealant to seam on new motor. Couldn’t find motor only for purchase. Had to replace the whole shutter say.
They don't account for inclement weather in the design brief. Having to drive through weather is a "customer problem".
Check out the fuel pump control module located above the spare tire. No sealant on a tin boxes seams. It'll make you shake your head for sure with all the dirt and water that gets to it and in it.
This video was so so helpful. I was so getting ready to follow the service manual doing my first one of these. This video just happened to pop up through my feed a week or so ago Knowing that I had to do one of these. I was so getting ready to remove so much junk it was ridiculous. I literally did this job in 30 minutes and it's cold outside and it's raining. I normally don't do anything from home but this was a friend
WEIRD that it NEW TO PUT IT ON YOUR FEED I JUST DID MINE THE AUTOE BODY SHOPS WAnted 1500$ i got ther gm part for 400$ and took me about 3 hours
Is there any programming involved in the install process that can't be done with a scan tool? Wanting to just replace my own but I've heard there has to be programming done by a dealer, but didn't see anything in the video like that
I suspect the difficulty with all the different fasteners might have something to do with the Collision Tests.
A different thing - a memory actually - is that our second hand vehicle in my childhood had an actual roller blind in front of the heat exchanger. There was a cable brought to the cabin for controlling the height of the blind. If you wanted to adjust it, you had to slow down. Otherwise the blind was immobilized by the air pressure. By the way, it also had a manual crank for starting, as the 6 V battery was likely not to have enough muscle to turn over during the colder weather (more viscous oil). Those were the days, when everything was better and simpler, you know....
You not only show us how to do it, you entertain us as well. Nice video...I have a '17 Silverado & just wait for that day it needs it's shutter replaced. Greetings from that Old Jarhead in WNC and yeah, they do inspections here.
its
Back again . Thanks my guy. It'S A CHEVEEE 👶 BABBY
This is actually a system that goes a long ways back. 80’s and 90’s big trucks like freight liners and western stars, ford LTL 9000’s ran the same louvers back then. But they decided to put more electrics into it now, with yet more sensors for sensors. lol. Cheers from Central Canada. 🎉🎉
Gotta love the car manufacturers!! 🚗 Paid for my houses......my tools,cars, it was my whole life's work!! Now in retirement I still tinker with my stuff and help out my neighbors....... and above all it keeps me laughing the way things are built and engineered!! Amazing!!
Scotty? That you?
You had me worried that you weren't going to finish the shave and a hair cut with the air tool.
Great vid, thanks for the share
That was a boatload of work but nice job Eric!
Lol nice pun 🤣
My truck got totaled just before Xmas, and now I need to get another one. I'm sure not looking forward to dealing with junk like active grille shutters, or bluetooth floor mats, or satellite guided lug nuts, or any of that other supergizmo crap they put on newer vehicles. Maybe I can find an old square body somewhere...
I'm in the UK across the pond my dad who's sadly passed now was a joiner (think you call it a carpenter in the states) made a wooden slatted cover which operated via a cord which he fed into the car interior this was back in the day when cars had manual chokes and carbs boy how times have changed
That brings back memories of the air operated shutters on the old semi trucks.
Evening Eric, Chevy never disappoint! 😂
Lol, that's like a LEGO truck it just snaps together.... another great job well done....
Now I know where the guy that designed the Honda Goldwing air filter replacement system went to. You have to take about half the bike apart to change the air filter. with practice you can get it down to 5 hours. The best part is they decided to use 4 different size fasteners and multiple plastic pins.
That's likely the Audi engineer they hired that desiged the blower assembly on the Acura Legend!
@@jblyon2 seen that before but the Acura Legend is a great vehicle except didnt know they hired a dude from audi blah.
@@jblyon2 was it the vigor?
@nighthawkj3096 Yeah they did. Some of the design is straight from Audi models of that time. Those parts seem designed to be as failure prone and difficult to work on as possible. Watch a video of a blower motor replacement in one. It will blow your mind. The rest of the car is bulletproof.
@@jblyon2 seen it few years back on Ericthecarguy
I've owned some Chevys too. Just bought one that's old school . '93 half ton, two wheel drive. Simple to work on. AND NO COMPUTERS. Or almost no computers.
I have fixed plenty of laptop computers - they give you plenty of mini heart attack moments when separating plastic casings. Some are a lot louder than you would think. As well as looking for screws in weird places, plus the plastic clips are a lot smaller and easier to break and you can’t just go to a store and buy parts to replace them apart from the “mothership”.
Yup. Was IT for 35 years. Used to freak end users out doing certain repairs that could be done at thier desk, but required removing the plastic surround for the LCD. It sounds so brutal taking the plastics apart. 😂
With you on that mate.
im not worried about the plastic clips as much as all the delicate wires for things. antenna wires on the wifi car, display connector, stupid fan connectors on the cooler. so annoying. built a desktop the first time this summer, EVEN WORSE. just as tiny but so many more of them.
Active Grille Shutters are the bane of my existence. I will say, they come out a lot easier when the vehicle has been in a heavy front-end impact! ;)
I used to think I was quite mechanically inclined. Then I started doing diagnostics for bodyshops. I've watched an experienced body tech strip the entire front end off one of these trucks in a matter of minutes, and it's absolutely humbling. I've learned to bring donuts, politely request what I need access to, and stay out of the way.
Eric, Glad to see you aren't worried about torquing people off! Always eager to hear your honest opinions. Have a great day!
I remember the day Volvo had roll-up shades that worked via a cable in the cab. My, my, we've come a long way. Listened to a podcast today about a 2017 Subaru that had similar issue - shades stopped working. Shut down several systems - lane departure, pre-emptive braking and the auto idle stop system - and lit the dash up like a Christmas tree. One step forward and two in reverse.
Another great video. Keep'm coming.
My Citroen had a nice little chain to pull up the curtain in front of the radiator and let it back down again for faster warmup on those -20 mornings. (still didn't have enough heat and fan to defrost the windshield)
It is called billable hours for the Dealership. If they make it easy to fix then you don't have to take it to a "Stealership" to get it fixed.
Amen. Every dealership in America is nothing but legal thievery. Technicians are so pathetic they couldn’t carry their weight at a shop like SMA. Just throw parts at it and shrug their shoulders while holding out a ridiculously exorbitant bill.
While it's under warranty the manufacturer pays for those billable hours though. Out of warranty vehicles rarely make it to the dealership for service let alone repairs.
@@9HighFlyer9 The EPA and manufacturers did that. Neither will get any sympathy from me.
@@timbow50 I had a local Chevrolet shop that their shop rate was $25 higher than a factory repair shop for a $25 Corporate Million Jet. Now who do you think has more training and is certified by the US Govt to work/repair either of these "vehicles".
Awesome video. Found a tip for ya when I did mine. The middle clips on the grill trim can easily be released from the underside if you another person to lightly pull from the front.
Think the assembly instructions for Barbie's Big Pickup show how this goes together..another gem, GM
Brother you just helped me so much on my 2018 Acadia. I'm having the same issue and no mechanic wants to touch it. I'm fine with basic stuff like coils plugs etc etc. But electronics wise I go as far as Audio installs etc. Never dealt with any electrical issues .
Thanks Eric! Amazing complexity to do who knows what😂
Videos like this make me happy I went the van route. It may not be as 'pretty' but it's a whole lot less fussy.
It wont be long before the paint on the vehicle will cause your engine light to come on.
😂 omg yes
A lot of those bumper trims/covers seem to be designed for easy assembly on the line, but on the basis that, if you're taking them back off, it's for crash repairs, so it doesn't matter if you have to break them, because you'll be fitting a new one.
Eric O. has probably installed a dozen of those shutters making it look easy. But we all know that it's a chore. I swear he entertains me more than any video on the sight. When God made Eric O., he was laughing the entire time molding that clay.
Site*
The build of GM trucks is choreographed on the line to keep the line moving. I can attest to this as I worked at the GM plant in Fremont California back in the middle 70s to 80s on GM passenger line.
777,000+ subscribers! Congratulations!
When will he get to the million??
All the guys I watch in a playlist every day. You the only one I bother to minimize the screen so I can Like and Comment so you can get the extra ten cents. I know you love me too. See ya my dood.
Yet another great and entertaining video, thanks Eric
I paid my house off changing brake,p/s,trans,fuel lines on chevs! LoL Good video. Haven't seen one of these active grill jobs yet but I'm sure I will. Thanks for good training!!
Is the purpose of the fender flare to hold junk against the fender so it rusts out quicker??
Yes....
After 30 seconds in, I would of got out the Gas Axe and reduced that plastic into black smoke. You are a better man than me..
Engineered for assembly. Service and disassembly are not their problem. That's why all Engineers should be required to fix what they design.
Good to see Old Roger in the background. He never get screen time anymore.
Another enjoyable one Mr. O. 👍
As always Eric, very good and useful info. I didn't know that GM was using that technology. Wow, the way these vehicles are put together now days really makes me worry that the cars will fly apart just going down the road. Now I know why I see the plastic bumpers on the sides of the highways here in Texas.
Eric, why hate Chevy/GMC? They bought you your house, food, health insurance, dental care, kids' college, retirement...you're the best mechanic in Steuben County, and as long as Chevrolet/GMC makes junk and people buy it, you da man!
I remember seeing these in new trucks in 2016 and thinking, that surely can't last long. Looks so cheaply made! And here we go
Thank you for posting this , just knocked the job out easy bc of your video. thank you for saving me money.
Active grill, I just used a pizza box and it never failed. 🍺
Just wanted stop in and thank you for this video. Had the same code on my ‘17 Silverado. Watched your video, swapped the active grill shutters for new ones and I’m back in business. Thanks SMA. You rock.
PS the Chevy didn’t have that piece of trim. Came apart much easier.
I have that same 1/4 air ratchet had it for about 10 years. I absolutely love it! Keep up the good work young man!
Which one is that? I was figuring something from Astro (which I've been patronizing a lot thanks to this channel) but doesn't look right...
@@danielj.schneider5162 it is a Mac tools 1/4 ratchet. They have a newer style with more aggressive offset on the head, but it's no where near as reliable as the one he was using
@@joshualord8042 Ah, gotcha. I see the AR249 looks pretty similar in terms of the head shape and length. For $45 I think I'll give the Astro 1/4" a shot; if it doesn't work out, maybe I can eBay a Mac. Thanks!
I like the way you “neutral drop” the sockets onto the fasteners. 👍
“What’s it got Stuntmaaaaaan?”
“Take some piss poor engineering, and multiply by 12. And you’ve got yourself a Chevrolet.”
Love it!
Gonna be a great night. Can't wait to see what you find
Thankfully the headlights are not halogen! Changing one on a 2012 GMC 3500 was a learning curve!
Good one Mr. O.
Old or new that shutter assembly was REAL flimsy! I was used to the old International "Rxx series that used steel and hydraulics.
Times change.
2012 gmc are easy
Thanks for the video Eric O. Shop is filled with Chevys. Making me think twice about future purchases. 👍
I can see these mechanisms freezing up all winter long
when i was younger i had a 1972 ford pinto and acording to the ford repair manual it said it would take 4 hrs to change the starter and it said you have to unbolt the steering to change the starter. i figured it out that i could pull the starter go get the new one and be back on the road in 45 min. the way i did it was reove the battery and battery box and get it that way.
Back in the good old days you stuck a piece of cardboard in front of the radiator if you wanted better heat in the winter. Guess that's considered an "inactive grill shutter." Hate to imagine how much that monstrosity cost to replace. Oh well..."progress."
Thanks GM for putting food on the table, land under the feet, and money in the bank for Eric O's family!
Watching you take off that plastic on the bumper takes me back to they days when I worked at Dell back in late 90's and the Aughts. The Latitude laptop with a purple back had 120 screws in it just to tear it down. 50 of them were on the back purple piece cause during R&D ever time a crack showed up they just put a new screw.
Question: Was the "aftermarket accessory wire" impeding the function of the shutters? Could that be the cause of the failure?
CHEVY THUNDER!!! ⚡⚡⚡ Greetings from Sunny North Florida 😎😎😎🌴🌴🌴🇺🇸🇺🇸🇺🇸
In the immortal words of one of my favorite mechanics to learn from, Eric O. ; "The engineers for this must be a bunch of grade schoolers with their boxes of crayons". Lol
An older gentleman I’m friends with who worked for Ford during the 80s until the mid 2000s loved the Taurus because of all the work and money he earned from them - trips, cars, college tuition lol
Active grill shudders sounds like a waste of time to me - the fuel “savings” were just wiped out by this repair lol
The fuel savings aren't for the owner. It's emissions reduction because every dumbass thinks they need a 3/4 ton pickup to commute to their desk job or hard park at the local mall. Driving a Camry wouldn't be manly enough.
This is like the mems hah. What my family thinks i do: rebuild engines, what the public think: brake jobs, what i actually do: spendihalf the day prying of poorly engineered pieces of plastic, hoping not to break the tabs.
777k subscribers and growing. These are very detailed repair videos.
Nice job, fyi had a 30 Buick with a shutter system actuated by a thermal pod located in a pocket on the radiator tank ! They’ve come a long way ?
Watching you take that grill apart reminds me of the time I replaced the doghouse on my 71 El Camino. Replaced the hood, grill, both fenders, and bumper. It was a lot simpler than that repair. Nowadays, I take my 2014 Yukon XL to a shop to get my headlights replaced. It's probably a one hour job... if you are a rocket surgeon.
They don't put gas caps on these any more.
On the escapes there is a bunch of push pins for the fender liners and then a bunch of splash shield bolts to remove then a few bolts up top 1 connector and 2 bolts on each side mounting it to the body and then you just rip it off
So what happened to using the thermostat to let the engine warm up, why do we need a electric shudder assembly when the old trucks did just fine without? Is it for “efficiency”?
Fuel economy
Yet another reason why I’ll keep my old F150! None of this nonsense. My neighbor bent the bumper on his new F150 and they had to replace all of this stuff, almost doubling the cost of the fix!
And to think we used to think it was ridiculous back in the late 1960's when you had to loosen an engine mount on a Chevy 327 V8 and lift the engine up three inches with a floor jack to take out the spark plugs. My how things have changed! 😂
nope, that's still stupid. fun fact, subaru have the same problem
As a collision Tech for 35yrs.I feel you about only meant to go together!!!!! so many things are like this. so many times it is just a "Rip and Tear " operation
I shudder to think what can be causing this!!
Its a guy named Scott from Vehcor who knows these trucks really well. I'm always surprised how he seem to know wich parts goes where. Greetz John.
so if it fails in the closed position you are screwed.....ridiculous
I don't get the point of it. Why would you want to open/close the grill in the first place?
Yeah this will definitely be the last GMC I purchase. What a pain for a useless part.
Thanks for the video! It only took me a couple of hours to take it apart, but it would have taken much longer without your help."
I knew it was only a matter of time before this new technology failed.
Especially on a Chevy!
They make car's and trucks nice looking and with all the bells and whistles but it a pain to remove all the parts to get to the broken part
NIce, a 28 minute repair video. 24 minutes of getting to the part and 4 min to replace part, including the uh oh, forgot the ambient temp sensor. They sure don't make 'em like the used to!!! And, for the most part, that is a great thing!!! Cars today achieve shit cars back when could only dream of (400+ HP and 30MPG, 200k on the odometer and still running, starts when cold every time no need to tell someone to pump the gas twice then start, etc....) BUT.... shit like this BS to take stuff apart is a total engineering fail. Then again, when you engineer to save on assembly costs, this is what you end up with.
Hey Eric it's not like it's super important, but I've heard of after you replace shutters you should reset the cycle counter. Not saying you did it wrong!
I worked on those trucks quite a bit in the collision repair field. Watching you tear that truck apart, I was screaming at my phone "JUST RIP IT OFF" lol we advise customers to look away when we rip the grills out. It's quite a aggressive process.
Keep doing what your doing. Seeing you work on cars and talking to the camera is fun and sometimes I learn new ways to fix cars