Project Failblazer Episode 9 - Installing a Valve Cover, Intake and Fuel Pressure Regulator - 4.2L
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- เผยแพร่เมื่อ 24 ก.ค. 2024
- The work continues! This is Episode 9 of my Project Failblazer Series featuring my 2003 Chevrolet Trailblazer EXT. In this video I clean up the filthy valve cover and intake. The carbon build up in this thing is atrocious! I install a new valve cover gasket as well as gaskets for the intake and throttle body. I put a fresh set of plugs in and installed a new fuel pressure regulator. After all of that, I took on the tedious chore of putting everything back together. Will she fire up? How will it run? Watch the video to find out! Check out Episode 8 to see how we got to this point, if you haven't already: • Project Failblazer Epi...
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I purchased a 2004 Trailblazer as a parts truck for this project for only $460! ( View that video here: • We bought another Trai... ) I will be swapping over a virtually brand new front end to my 2003 Trailblazer among other various parts that I will need to help make our Failblazer the best it can be.
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Electrile Dysfunction effects 1 in 4 vehicles in America. Consult your Automotive physician immediately if your vehicle is suffering from this condition. I highly recommend Dr. Hackinslash. LOL
No oil in my plugs cavities. Replaced plugs, coils and throttle body. (Suppposed to use throttle body and intake cleaner. Carb cleaner will mess with tbe catalytic converter) Made sur Cat was clean. Still runs like garbage. Do you think gaskets or bad valve? This is also replacing fan clutch and waterpump.
@@petercovey9666 You better get a Failblazer T-shirt
Maybe I have that fuel regulator bad diaphragm problem - I started using MMO and now I noticed two distinct "stains" on the intake manifold cover - I didn't check it out really. I have lifter tick - so maybe the upper cylinder lubrication of MMO is creating the stains.
sounds so nice without any lifter tick!
Need failblazer merch
My 2003 4.2 had the same symptoms yours had that you explained in the last video. As I was changing the spark plugs, I hit a generous amount of oil in cylinder 3 i began research and then found your video series. I watched both parts multiple times and hand wrote notes in my journal to memorize the process. It is now Sunday night i have completed up to torquing the intake manifold and throttle body down. As I have a little bit of work left, I know im in the home stretch. A big thank you to you for filming this process and saving me over a grand while helping me learn this vehicle.
Very helpful with bolt pattern for intake
Hey man. Thanks for your channel and info! My TB has 230+ k miles on it and I am just now experiencing this issue. Luckily, I don't really depend on this vehicle at this point. We can call them Failblazers all we want as cathartic therapy. But you gotta love em. Peace!
Now i know my trailblazer engine is no joke. Any engine that can withstand that is not a fail blazer its a straight championship monster!!!
Had a tree land on my Trailblazer hood, which landed right on the oil inlet of the valve cover, which broke it. Not to mention my hood and both fenders are crunched badly. So, came on TH-cam to search out how to get the valve cover off...and you pop up with exactly what I needed! I'll get on Rock Island parts for the gaskets. The junkyard valve cover cost me$54, so if I'm successful with this part of repairing my '03 Trailblazer, I'll spend out the Dollars for the body parts. I was hoping I wouldn't have to remove intake but sorta guessed it was going to be part of the repair. Thanks for the video.
Thanks you so much for this. I have a cylinder misfire and oil on my coil. Looks like I will be trying to do my first valve cover gasket replacement. You have given me hope!
I have an 08 TB and I love it! 220K miles and runs like a beast! A recent oil change revealed a white, greasy residue in my oil cap. I have to get the valve cover gasket replaced. I wish I could do it myself but am too scared. I appreciate your video. I think I could give it a try after watching your video.
It’s not that hard you can do it
89 inch-lbs. / 7.5ft-lbs. is the factory torque specification on all bolts for valve cover as well as all bolts for the intake manifold. This applies to all 2002 -2009 year GMT360/370 platform (CHEVROLET TRAILBLAZER/EXT etc.) vehicles equipped with a 4.2 L. ATLAS I6
It's super important not to go tight and over torque the bolts seeing as general motors went plastic on the valve cover an intake manifold! Dannanator you rock BTW! This comment was meant for your followers not aimed at you keep up the good work!
@@abrahamking3950 thanks for posting the GM specs I've been searching the internet for about half an hour trying to figure it out I've read everything from 15 in/lb to 165 ft/lbs and being a mechanic in a past life I knew neither could possibly be right but approximately 90 in/lbs sounds about right for those little 10mm bolts thanks again.
My trailblazer started running terrible 2 days ago...checked the code and it threw a p0300. Went to change my plugs and 5 out of the 6 were deep in oil. My first time replacing gaskets...thanks for the video!!! Helped a ton. Oh and Go Bucks!!! O-H
I-O!!!!
I've been fixing up my trailblazer as time goes by but this might be next project on it.. thank you!
Thanks for the videos man! My buddy has the Envoy, with the same exact problem. This video (parts 8 and 9) are super helpful.
Awesome! Glad the vids helped.
Hello mister, just finished my blazer project and your vedio was very helpful. Thanks s bunch guy
Glad the vid helped!
you did a great job here. I'm doing injectors on one of these and this really helped.
Thank you brother God bless you and all your experience has been great and help me to work on my Trailblazer. Thanks again and God bless.
valve cover bolts are "shanked" the shanks will bottom out.. preventing over tightening,,,just snug by hand....( I highly recommend adding some silicone to the spark plug tube gaskets ,, and threads of coil bolts.....)
Delicious 😋 on the intake manifold clean.....you got me thrre
Nice work my 2005 trailblazer has over 429k but mine doesn't leak oil so far thank you for showin this video.
Very useful guide, thank!
Thanks for a great video
I think the valve cover is 89 inch pounds like the intake.
Thanks for the video brother your a good man
Man thanks for this video, was able to remove the valve cover, only to find a broken intake valve 😢
Oh no!
Thank you very much sir
Looks like a nice car to work on, the engine looks fairly accessible.
yes, and it's a good thing because ya work on it a lot if you have one. the oil filter is kind of a pain to get to but most other parts can be accessed without too much profanity
Looks easy cause all the hard work was already done. If you ever had to get to the valve cover to do the gasket on one of these you would know how much has to come out the way and how much of a pain getting the intake manifold off can be. Did mine yesterday.
@@michaelengle9062 yes the Valvoline guy was complaining about getting the oil filter loose - I said yeah that's why I come here. haha. Then he was praising the Inline 6 engine.
Good work my man!!
Thanks. Been runnin' like a champ lately. Something must be wrong. Lol.
Good old GM they couldn’t just shaved that plenum down some so you can just pull the valve cover off!!!
I’m fighting a po0014 now vvt
However 244.000 thousand miles
Just replaced the crank sensor
So get ready for that hah
I change the plugs every 2 years hah!
Nice job !
Hello! This video was very helpful, however my fuel regulator is not in the same spot as yours.
So it must be internal correct? How could I find this?
thanks man
Electrile Dysfunction lmfao. nice job on the failblazer!
Thanks man. He's cured!
Excelente video saludos desde Nuevo León, México
I plan on doing this job within the next year or so to my 2005 failblazer. It still needs a lot of work done to it.
Happy repairs my man. Hope the videos can help out in some way.
Did you clean the spark plug well where the oils causing the misfire? How did you do it. Rag and screw driver?
great video may i ask how many hours you think to do a repair like this?
Do the AC Delco gaskets work as good?
Thank you for posting these videos. Now I know how much of a battle I am in for. Not excited about this
It's a job, but if I can do it, you can do it.
You failed at 16:42. These engines love ac delco iridium spark plugs for some odd reason. And also its written on the valve cover to torque the spark plugs to 32 pounds.
13 pounds
No need to add sticky spray to the gasket? It stays in place when you put the cover back on?
how long did it take you from beginning to finish?
What were the parts numbers for both gasket sets? Same engine in mine (4.2L) and it’s the EXT as well. Just want to make sure I get the right gaskets.
you can pause and right it down. MS 96294 is the intake manifold gaskets
I just finished following your steps religiously, but now my trailfailier won't start. It used to before the work checked everything and took it apart again, but still, it won't start
Judgingfrom all the crap in that engine, you should oughtta change out the VVT solenoid and oil pressure sensor filter before the VVT solenoid goes out and blows up the engine.
Find any oil in the intake? As I'm typing I see you did. GM F-ED up their fancy once piece Valve Cover / PCV. The orifice was a bit excessive to the point its sucking the engine dry of oil. My first encounter with that issue was WTF... Seeing more and more GM with REV A built in PCV (really should be called port and not a valve lol). Either get the updated valve cover or drill a bunch of holes on that plate leading to the port to allow oil to drain as much as it can before to the port and prevents it from acting like a vac. Could make a plug in the hose to restrict the flow PCV > Hose > Plug round metal same OD as hose ID with smaller hole > Hose good times.
Where in the hell does the long green plug that has its clip in the back of the power steering fluid res
Go tribe!! I'm about to do this project.
Happy repairs!
@@TheDaninator have you had a vibration between 20 to 35 mph when accelerating. And also a clunk in the rear?
Nice
i want the camaro poster!!!!!!!! I will give you a blank check
I need to do this to mine soon. I can do it myself I just need a vehicle always.
Did you have any build up in the vaccuum hose from the manifold?
I didn't notice any, but it won't hurt to give 'er a clean.
that’s a dirty job but someone has to do it. i’m glad it was you and not me
How did I get so lucky? Lol
What would estimate to have a mechanic fix this ?
I would like to have that 93 camaro poster. Where did you get it
I was given this poster back in the '90s. I don't know where it came from. However, I did just find this one on ebay: www.ebay.com/itm/1993-Chevrolet-Camaro-Z-28-Poster-David-Kimble-Cut-A-Way-GM-Issued-/352655481307
@@TheDaninator awesome, thank you. check out my latest video if you got a moment. changed the clutch on my 02 Camaro
Im doing that this weekend, how long it took you to do the whole job? Thanks
It took me a few hours, spread out over a couple of evenings after work.
No silicon?
Can you turn the captions on? Your previous video have captions. Thanks!
Activate captions yourself. It is a TH-cam feature.
what do you think would happen if i took my valve cover and intake and cleaned it up with my pressure washer
You proved you were an idiot 😜
Hokey Smokes what a job that was I have a leaky valve cover gasket that caused a #2 misfire too but I'm going to have to pay someone to do it How many man hours total do you feel it took Some are saying 5 hours some say 8 hours What is your closest guestimate?
5-8 hours is about right
My TB cut off on my while I was driving with no prior warning. The only way I can get it to start is with starter fluid. Not sure exactly what it could be but I did notice a small amount of oil around the vent tube on the valve cover. I'm hoping my coils aren't flooded with oil. Not a job I'd run from but it's winter time in Chicago with no heat in my garage.
Can u replace the valve cover and intake gaskets without disconnecting the battery???
i know it's been months since posted but no....ya gotta take the 'pcm off the vehicle to get the cover off and that would entail disconnecting the battery
@@michaelengle9062 i already did it but thanks for the response i should have took it down..
would be good to run 20% marvel mystery oil through that thing for couple of oil changes.
I ran MMO at 235K or so and my silicone shaft seals started leaking. Now I ordered Titan polymer-silicone repair fluid - hope that "rebuilds" my seals internally!! I just ran acetone through the engine by accident and the silicone gasket seals started leaking again. They had stopped leaking - not sure why.
How much should this job cost at mechanic?
Did you have a p0171 code?
is there a trailblazer that doesn't?
Why do I have oil in my air intake and how can I fix this problem?
Oil in the air intake likely comes from oil being pushed through a bad PCV valve.
@@TheDaninator the thing is I own a 2006 Chevy trailblazer that seems it doesn’t have a PCV valve
About how much do you charge for this.
E d? 😂😂 dam doc
You're basically reinstalling a bad TPS with that Throttle Body.New Bosch unit on Amazon runs abt. $140.
Not to be a smart-ass even though I'm very fluent with that. Lol. I believe it says it on the valve cover. 13lb
It's 89 in lb
I wouldn’t be handling the gasket with grease on my hands
I LIKE THIS,THANKS. I STILL DONT TRUST MY BABYDADDY CAN DO THIS.PLEASE PRAY FOR ME
Retnik beats
What to use my ex wife's tooth brush for them ports
It's 89.
🙏🏻👍💯💫💫⭕️😇
that's why you don't run your oil 8000-12,000 miles look how dirty that engine is ! I use to Use Fel-Pro gaskets But now Most are Made In Taiwan or CHINA! I like MAHLE Must Better
I hate watching this video...my future looks like it'll be full of cuss words
Do you have a swear jar? Lol