It's leaking everywhere! CAR WIZARD shows most common leaks on 2015 GMC Yukon
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- เผยแพร่เมื่อ 30 ม.ค. 2023
- The 2015 GMC Yukon is a great SUV, but that doesn't make it perfect. The CAR WIZARD 🧙♂️ goes over what commonly goes wrong on this model, also the Chevy Suburban and the Cadillac Escalade.
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I heard Scotty Kilmer say on one of his videos that his dad used to tell him, "don't assume you have just one leak".
I was in the Petro equipment business for years and we were using Pig Blankets. They make oil and gas only and another line for any liquid. Really handy. They also give away cool pig coffee cups.
I've repaired this before by cutting the metal tube before the rubber hose crimp. Using a flare to just slightly bubble out the end of the tube, then sipped a hose over that with a clamp and no problems since. But most shops will often elect to just replace the part with a complete new part because then you can be sure it won't fail, and if it does it's covered by a warranty.
Yeah, just replace the entire line set. I priced a buddies truck, engine oil cooler lines and trans lines combined were $150 for GM parts. Toss them on in a few hours and its good for another 100k.
I agree I have fixed hundreds of trans lines by just cutting the crimps off and clamping on new hoses. The key for me is being able to get to the crimps, If not it will need a new line set.
Toyota had this same exact problem with their 3.5 V6 in the earlier years and Toyota redesigned the parts with 100% metal and they have no more oil leak problems.
That's good.
Until the metal part rusts through.
Had mine changed while the engine was being swapped out. In the Acadia, Enclave series, these leaks cause other issues such as soaking the alternator in oil. Just a theory but, I believe heat exposure causes shrinkage in the rubber lines at the crimps.
Seasonal changes, winter to summer repeatedly does affect seals and rubber yep
Yeah, those GM suv's are a blast to work on🙄. I have a radiator to do tomorrow on one. Book time is 6.7 hours.
Yea, I totally want to deal with that....Maybe i'll trade my Tacoma for a Terrain LOL
@@mph5896 Mine was a purchase of a neighbor and friend who passed away. As with any vehicle over 10 years old, there were many things needing replaced. The decisions I made and money spent were very deliberate. I have a vehicle in close to new condition for around a third of the price.
It costs money to use better gaskets and designs. They also make money on the parts, lots of money. Meanwhile , my '14 Accord with 213,000 miles is bone dry everywhere.
I just saw a 2016 Accord with 160k, the engine was covered top to bottom from a valve cover gasket leak. Just put VVT solenoids and a timing set on a Toyota engine. Everything breaks, some more than others though.
Yep, 240k my ‘12 maxima. The only thing that leaked was a $10 coolant hose from corrosion, and the axle seals. That’s pretty much it 🤷🏽♂️
I bet that Honda Accord can't tow as much as that truck can. Apples to oranges comparison much? What's next? A Toyota Corolla vs. an F-150 comparison?
@@houseofno That has nothing to do with the quality of seals. Strawman much?
They could make lines that dont leak but why? Parts that last forever don't make them money, its all part of that planned obsolescence, you can either keep replacing everything as it fails or buy a new car which is what they really want
This is General Motors cunning plan to make everyone buy a Toyota?
@Steven Strain hence, cheap head bolts on Northstar engines.
I don't know I still drive a 2000 GMC Jimmy lol
@Steven Strain True, but people like gm products though.
Thwart the scheme. Buy from a competitor.
Driving around in my 19 year old Lexus. Runs like new. That’s crazy!
Just retired from the auto parts business and these hoses fail constantly on GM vehicles. Ford has a couple of common line failures as well, but GM definitely is the worst and has never addressed this issue. I have seen a steady decline in GM truck quality over the last 20 years. It used to be that Dodge was the worst truck on the road, pretty sure GM has taken Dodges place. Enjoy your channel.
Dodge is cheap junk compared to ford
@@issavibez394 exactly and dodge is owned by a foreign company/corporation stellantis.
I still see tons of new Chevy Silverados all around my town and each time I see one I wonder, if they ever research the web for reliability issues on these? Com'on man
@@captinbeyond junk
@@theshield1613 yup ford jeep dodge chrysler jeep chevy cheap junk lol
Thank you Wizard and Mrs. Ironic, I had the same problems with my '83 Chevy K20 130k, 5.7 fix one leak another started.
I'd be concerned about the direct injection, lifters and variable cam timing stuff causing $1000's in repairs in the next couple of years. A couple leaking lines isn't what I would worry about (they STILL need to be fixed though). GM isn't doing us any favors with a lot of their designs. What with the 3.6 V6 that needs engine out for timing chain, the 3.0 diesel that has an oil pump driven by a belt on the rear of the engine that means trans out to change at 100-150k miles (timing chain also on the rear.) It seems anything newer than 20 years old is a money pit of electronics/mechanical garbage. Ford/MOPAR/GM, doesn't seem to make any difference (or many foreign for that matter). Too much to buy the vehicle new. Too much complexity. Too much expense to fix. No wonder there are those companies advertising extended warranties, assuming they actually pay out.
Timing jobs are expensive and not fun, but most mechanics can do them. The thing that really takes down new cars is electrical issues. And the mechanics that are out there, I would bet 75% of them can't find/diagnose the problem without trying to throw parts at the problem. This is partial due to low times allowed for diagnosis and lack of training.
I do some consulting for a landscape business. They call me up when nobody else can figure out the issue. I'll work until its fixed regardless of time. Spent 5 hours a few weeks ago finding 1 broken wire turning the truck into a paperweight. Another I spent 3 days on tracking down an intermittent can bus network short. There alternative was paying a shop $1500 for a diagnosis, and in their words "Would you like us to keep looking, we are no further along than when we started". Or tossing a front diff shift motor at a truck that had a broken pin in a connector.
In fact, everything is built to a prive point, don't but the model with the shit engine problem solved. And lol dod delete is so easy its insane just stop you're talking out your ass, yes expensive but not hard and anybody that can comprehend simple tasks could teach themselves to do it.
Spot on, I despise the engine that is in the Yukon he is working on. The old LS (pre DOD) engine is way better. I'm working on a 09 Tahoe now that has a intermittent can bus failure that I bet I have 20 hours in and haven't found the problem.
Agree. I have 2 vehicles of which one of them is 27 years old the other 20
My 2011 silverado with 230k miles has given me no major issues. Just regular maintenance. AFM was disabled at 175k miles. Original lifters, no noise or issues.
When my trucks transmission lines started leaking i replaced it them with stainless steel braided lines. Even those will eventually leak but they wont break off and suddenly cause all you fluid to leak out miles from home. I like to fix things for the long run ; )
I had some leaking hose assemblies like that a few years ago and I took them to my local parts store. They do a lot of hydraulic lines for farm and construction equipment and had the hose and crimp sleeves in stock, as well as the necessary crimp tools. It took just a few minutes to fix everything and I didn't have to wait for anything to be shipped. As I recall, it was a reasonable price too.
Yep that’s what you should do!
Wizard, after you use the oil spill rags I recommend investing in some betonite Quick-Gel just a bag or two as it will last you a long time. It comes in a 80-100lb bag (about $7-$10) in a powdered form (think flour) and you can throw just a small amount and it will pull up the stains with minimal scrubbing with a push broom, this works on even old oil stains and after your done it can be disposed as trash. Best part is there are no chemicals it's 100% natural.
I would do that too but I think in the video he mentioned the mats are good because no powdery mess
If you don't live by Wyoming the shipping price negates cost savings
Wish I had some respectable mechanics in my area that do things right the first time
Or you could start doing some of it yourself.
I am sure every town has them. You just have to find them
You know what they say. Wish in one hand, shit in the other. See which gets full quicker.
They are getting hard to find. That's why I've done most of my own work. Unless it's a totally blown motor or transmission, I'm probably going to do it myself.
@@WhittyPics that means you have to go through all the hacks and Scotty Kilmer’s before you find a legitimate mechanic, that gets expensive
I had the same issue with the transmission cooler lines on my old 2000 Chevy Blazer. We had vehicle inspections where I lived when I had it so I had to replace them. We replaced them OEM AC Delco, but after less than a year the new ones also started leaking. It's a GM thing :)
2:00 I agree! I believe this is the sweet spot between modern and old school : )
Great work wizard done once and done right
2015 and newer are not vortec fuel system engines anymore. They switched to the ecotec fuel system in this generation of gm trucks and large suv. The engines are basically similar but also different as well. I work for a GMC Buick dealership as a tech down in Georgia.
I have a 2011 Yukon XL 2500 with a 6.0L that has well over 220,000 miles on it and It's dry as a bone everywhere! Zero leaks so far and it's an outstanding and reliable truck!
Must not have the cylinder deactivation set up.
@@risby1930 -- 2500 (3/4 ton) models do not have AFM/DOD. That's why you buy them and not a 1500!
You’re one of the lucky ones!
2500 HD is like GM's commercial honor license on the line. Components are critically engineered for their 1st priority customers in the commercial industry.
Lucky 😊
Another great video from the wizard. Keep it going
This is my favorite generation of the GM full sized suv. 2015-2020
Hell yeah Wizard another great video sure do enjoy them. God bless my friend
I had to replace the oil and transmission cooler lines recently on my ‘05 Silverado but hey it’s almost 19 years old. No other leaks anywhere else. But a 2015? Unacceptable!
GM don't mind leaks, keeps people coming back.
My 2015 Silverado with AFM delete is still going strong at 150,000 miles so I agree with Wizard!
Just got my pcm back for that change. Other previous older Tahoes I owned the engines were flawless with that done as well.
Smart
@@mph5896 yep, turn it back old school, lose a few mpg but gain years in reliability
@@Cherokeelion may i ask how you deleted afm. New cam shaft and lifters or something simple like range technology?
@@marekkrepa9982 i had a shop do it, its new lifters, cam, software, injectors. It runs so much smoother. Ive had it deleted for probably 4 years already. I had heard stories of AFM breaking and didnt want to deal with it
Sitting here with my bone dry, 25-year old, 300,000 mile lincoln towncar... annoyed at the thought of shit like this going bad on such a new car. The most expensive repair i've done is the ball joints at about 200k... Not excited for when this thing finally gives out and I have to look at something newer...
I had to replace the trans oil cooler lines on an 08 Impala years and years ago. I think you capture it well - I'm not mad, I'm disappointed. 😉
There is also an upgrade that should be done for the 2014 on up offered by Superior solutions on the transmission thermostat part number A104996-5k for the 6L80/90E. This helps with knocking down the temps on these transmissions with the built in thermostat that bolts on the transmission line you showed in video. Mine went from 201 degree temp down to 175 degree.
Hey man another great video!!
Seems like oil leaks around the oil pan on the 2011 and other years GMC and Chev Duramax LML diesels were a problem. A lot of them went back to the dealer under warranty. I switched to a Banana Pan to eliminate 2 problems oil leaks and the no drain hump problem in the OEM pan. Seems like they didn't allow enough set up time for the oil pan sealant or else the surfaces weren't cleaned well.
Lol well my 2017 silverado 5.3 with 60k miles has a wet oil cooler line so I’ll be replacing that pretty soon. It’s definitely annoying that it happens so frequently especially just out of warrantee
My 31 year old F150 has zero leaks at 200k, only thing that's changed is the radiator back in 2005, and water pump in 2020. Cars are just made too cheaply and are forced to comply with ever increasing demands which do nothing but add more costs to a car.
When there is an oil leak that drips onto the splash shield the leak can go unnoticed for quite a while. Otherwise the owner would be more likely to see the drip in the driveway or street and get it checked out. So here's a design that on the one hand, can protect the exposed engine parts from water, salt, etc... but can result in delayed maintenance.
This surprises me, I have owned and driven full size GM vehicles (4X4's etc) for 40 years, and currently own a 2004 Tahoe, put 700K on a chevy 1 ton cargo van, and lastly 260K on a 2017 1 ton extended van. While some of my older GM stuff did have minor leaks I have / had zero problems with leaks, on the modern stuff. One thought, I do ALL my own PM and when I change the oil / filter on the transmission (for example) I do replace the gasket(s). And honestly NEVER a transmission line leak, and believe it or not, NEVER a rocker cover leak. However, I can NOT say that about my all original 03 Dodge caravan with 540K, it does have some minor leaks. LOL Enjoy your videos, Thanks.
The only time we had that issue of transmission line leaking on the old square body Chevy trucks, was when those steel lines would either rub the frame or each other. Was not uncommon to see someone put a piece of rubber hose on the transmission lines to keep them from rubbing something.
Nice looking truck inside, outside, and underneath. Well worth the cost to repair. Especially if they are the original owners and know the vehicle maintenance history.
Well, 150k miles is quite a lot (240,000 kilometers). To me, thats to be expected. Problem is when they leak at less than 40k miles or something absurd like that.
That is not a lot of miles. Most vehicles nowadays can hit 200k without major repairs. The age plays into failure as well, which in this case is not encouraging on such a new vehicle.
2017 Silverado, lease vehicle I turned back. Leaked and clunked, only had 13,000 miles in 3 years... I bought a 2003 Buick Park Avenue with the awesome 3800 motor for $2000. Put a few dollars in new parts, regular stuff you would assume needs to be replaced on a 20 year old vehicle. She is in good shape, everything works, looks good for being 20 years old. Best part, it is paid for, and insurance is only $400 a year. Now I don't have to worry when I need a dozen eggs, I can now afford them. ;-)
I like the love the look of the 2014+ gm truck/suv models but I’d say the lines are the least of your problems for these years. 2014+ lifter failure and torque converter/ over heated trans failures are the most common.
Drove 20-30 year old cars. Only once had a brake like rust out. Had a 97 and at 10 years it needed every inch oh the brake lines replaced. Super crunchy rust. It seems they improved the bodies of vehicles and they look good from the outside but go underneath and the devastation appears.
There are 2 things GM can't make: Wiring and rubber. If they'd learn what rubber compounds Toyota uses and just go a gauge higher so their wires wouldn't break so easy.... If only.
Buy aluminum tubing and aluminum soldering rods. No rubber to worry about
Your rigid "fix" will bend and break.....
those lines need to flex as the engine/transmission rocks
@@JohnSmith-yv6eq they make metal vibrasorbers you can soldier in that are meant for reciprocating compressors that buck when they energize or de-energize.
@@haywoodjablomi7375
Do they cost more than a length of rubber hose and clamps/compression fittings?
If so they will never be put on a mass produced car.....
The beef is not with the enginneering of the metal lines or of the rubber hoses.
The beef is that, unlike other manufacacturers, GM has "engineered" cheap nasty crimps...
intstead of using T bolt reusable clamps anyone can either tighten or release in order to, if necessary, easilt adjust or replace the clamps or the rubber hoses.
@@JohnSmith-yv6eq that’s why the aftermarket exists. Buy once cry once
I have a 2002 Escalade. The paint on the roof was defective. Already re-painted. No leaks. ABS pump and module was placed in a horrible spot. Prone to failure. Mine did. Expensive!! The brand has been on a slow decline since 2005.
I friend and I fixed his ABS Pump for free. After he removed it from the truck I removed the cover and re-soldered several bad connections on the circuit board and he re-installed it. Problem fixed!
I just did my first oil cooler lines on a GMC today, had to drop the diff and lots of cursing. Didn’t know it was a common issue for GMC tho, so thanks for that information.
yeah they are known to leak, had a dod delete done on my 2013 in december 2021 found the engine oil cooler lines leaking and the transmission cooler lines also. replaced the engine oil cooler lines but havent done the transmission lines yet. but they are not leaking as bad as that 2015
GM started going downhill right after 2000 or so. They seemed to fall off a cliff around 2012. Now it seems like the lion's share of GM vehicles have big time engine, transmission, and electrical problems. They aren't quite as bad as Dodge/Chrysler/Jeep is but they aren't far off.
Ford trucks are the exact same way. It’s those stupid crimp fittings that leak. At 150,000 miles I’d consider that normal wear and tear. They aren’t hard to do. The old GM truck has crimp fittings but they were barbed. You could cut the crimp and install a few transmission cooler clamps and they’d last forever. I did that on my 2003 Silverado at 140,000 miles. I sold it at 283,000 miles and never had another leak again.
We didn't build it, we didn't buy it, we didn't break it. "Eric O" South Main Auto 😉
The oil cooler lines leak constantly on my 93 Silverado 6.5td.
I replaced them 6 times dorman just made junk as well.
So i made a custom set with AN lines and fittings haven't had a problem in years
That color on this truck in very beautiful.....Thanks the Wizards 👍
Shoe🇺🇸
The trans cooler lines on all the Jags with the ZF have the same issue. At least all the 2004-2008 XJ’s and S-Types. Not sure about the 2008+ year models.
Valve covers on a 5.3L are quite labor intensive?? I did mine on my 2010 with very little trouble and have essentially NO mechanical ability. My tranny lines also started leaking after 4 years on my 2010....took to the shop for that and they've been good in the 9 years since.
My neighbor's 2021 Escalade leaks like a sieve and drops all over his driveway and garage...only 26k miles and on it's 3rd lines and an oil pan and valve cover gaskets...it still leaks 🤣
He said he's going to dump it once out of warranty.
Ridiculous
Pig does make some handy stuff. I like the adhesive backed mats that are less of a hassle under foot.
If you know about where yer leak is going to be, just plop one down and it pretty much stays.
I love mine. This isn’t an XL. The XL has a square rear door. The regular body Yukon’s rear door has a curve for the wheel arch.
True. I (mainly) love mine, but the transmission went out at 110,000 miles and I've had some other annoyances. Transmission really pissed me off though.
@@ARPLATINUM
Did leaking trans lines cause/contribute to the transmission failure?
@@ARPLATINUM what year
@@JohnSmith-yv6eq Not that I know of. 1st was slipping and didn't want to shift into second. 1st eventually stopped working
@@reed785M 2016
Hey look it's my vehicle!! Thanks for covering this wizard!!
Nevermind, mine is the denali with the 6.2
My 01 Monti Carlo SS had same problems. Trans oil lines. Been a issue for 20 years
My Mazda van engine has solid lifters, requiring regular check/adjustment; I always replace the valve cover gasket each time, so I never experience leaks from the gasket hardening over time..
Looks really nice for 148k miles, both inside and out.
American cars are junk. I feel sorry for anyone forced to drive this pile.
I agree. It's a beauty!
That's the problem, everyone wants beauty but the rest is just crap, then they want to get mad at the mechanics
Yeah, they "could" build a car that lasts forever.
But then they'd sell everybody only 1 car, and then "all" of the car companies would go out of business.
And that wouldn't be very good business practice.
Funny you did this video I noticed mine are starting to drip under the truck
This is the reason, you do not buy a vehicle that requires constant repairs, especially the newer models. But, this 2015 GMC Yukon is an excellent large SUV, if it is maintained properly. Anyway, there should be the next all-new installment of the six used vehicles that you should never, ever buy in general on Thursday. The vehicle list should be more updated, compared to the previous videos that were made from the Car Wizard. Thank you very much and have a great night.
Sorry, I own a 15 Tahoe. I would put them on the do not buy list. I am a mechanic, so I only have parts costs into repairs though.
@@mph5896 Agreed, same with every newer used vehicle.
How many times has that 8 speed been out with that kind of mileage
A GMT K2 based truck, nice
My college 1956 VW Beetle leaked so badly that with all the quarts of oil I had to replace, I was tempted not to change the oil! I had piles of cardboard boxes saved to catch the drips in my garage.
The p/s hose crimp is not the failure. It is the hose material itself becoming porous over time. The hose sweats from one end to the other.
Theres like a hundred things to break under that truck....not to mention the cabin!.
This confirms to me that i need to buy a classic. I will take your advice and buy a buick road master.
All these cars are made to fail at some point, some faster than others. It's the nature of the business. But when you want something else to drive, avoiding the r future repair bills, you get what you paid for just a delay until the car you've replaced will start the process again. It's best to have the car you own now checked every six months or less for anything that needs to get replaced. Preventive maintenance prolongs the agony of breakdown. Unless you're tired of the years, you have driven the car too long. Remember, don't expect a high return selling your car.you lost that driving off the lot when you bought it. Either way you have to buy what you want and keep it.
4:30 Front & rear dashcam just like mine. Good idea nowadays. (That's all I've got to say...) Oh, and nice Yukon. Too bad about the leaks.
Not a Denali
@@reed785M Just a Yukon then, got it.
I enjoy your videos Mr. Wizard, but I have to ask do you own any tools aside from that small flash light?😂
M
As a GM service advisor, I approve this message . Super common areas to leak.
Bless your heart
The interior looks as bad as Vauxhalls in the UK...the designer couldn't really make his mind up which trim to use so you get a real mish-mash of colour and it has little or no style....typical of GM. Also the "poop" brown is horrible. It's a shame as some of GM's cars look not bad from outside.
Just block off the oil cooler line with a block off plate. You don't need it unless you tow heavy. Just change your oil regularly.
All of this is the truth but I’d rather replace oil cooler lines than have to replace turbo BS on Ford V6TT expensive turbo parts junk. I’ll stick with GM even though I’ve been replacing GM cooler lines since 1999 on my S10/Blazers and Silverado/Sierras for 25ish years. Thanks Wizard, I am also a seasoned mechanic with many decades of experience. You and Omega Team are Legit the BEST AND THE GOAT.
Hey Wiz! Chock blocks and drip pans in the Motorpool! Lol
“I’m being attacked by Spaghetti!!” 🤣🤣🤣
Wow, my daughter just bought this exact truck, but with only 90K miles. Hopefully it will be trouble free, unlike her full size Ford van, which had the V10 motor blow up at 80K!!!
Hoses always break or fail at the crimping, the outside material is messed with, changing the OD and ID, causing a leak.
He said mechanicing 😂 love it!
Is there a preventative kit you can install/replace to make sure this doesn’t happen so prematurely?
convert to AN fittings and lines.
ALL rubber lines and hoses have a set life due to heat cycles, oil exposure, and oxygenation. It's about 5-10 years. This is true in all industries, air craft, off road heavy equipment, and on-road vehicles. Nothing to do with 'defective' manufacturing.
@@wacabby Exactly. Although better initial quality helps them live over the the 10 years mark
@@Veikra even air craft hoses need to be all changed out approximately every 5 years due to regulation.
General motors will not give a part # for the O-rings at the block the 5.7 had an oil cooler adapter which also leaks
My 99 model Suburban starting leaking trans fluid at 7k miles, then the motor mounts broke and next was an axle. This was my wife’s vehicle, she drove the kiddos to preschool and back.. this truck was babied and still couldn’t hold together. Sold it after a year as it spent more time in the shop than on the road.
Planned Obsolescence is at work here. Eight Years is what GM wants their product to last, Their Transmissions Failures are all part of the Cooler Line Design. The Oil Cooler for The Engine is the other half of the Equation. The Chevy Traverse Engine and Transmission are far worse and are a Ticking Time Bomb just waiting for the Warranty to Expire !
Cooler lines and the left engine mount.
Weeeeeeezard! I had a 2016 Yukon XL that was still going strong at 164K miles when it was totaled in an accident. The only mechanical issue I had was the transmission at just under 100K (replaced under the extended warranty) and the driver's side motor mount. It was a very reliable vehicle!
After my 2016 was totaled, I bought '21 and '22 Yukon XLs and they are absolutely amazing. SUCH an upgrade over the previous generation!
Just the transmission huh? 100k miles GM junk
@@davidellefson4556 Yes, the 6L80-E is not a very stout transmission, although the dealer did say that they don't see many fail quite that early. I'm hoping the 10 speed in my new Yukon is a little more durable!
@@golferal Yeah, the 6l80 is a 100-120k mileage transmission. They work well when they work right. Expensive to rebuild as well for parts.
180k on a 2015 Suburban LTZ here. Apart from the typical frame rust we get up north, there is really wrong with it. Brakes replaced, fluids changed, new tires, etc. No leaks anywhere. I may need a new transmission eventually as the clutches are starting to get a bit loose. Lots of miles on it. Had a misfire once and replaced the plugs (a few hours of cursing to get to #8). Those plugs were original at 175k. Original owner didn't take care of anything and it still runs fine. Zero oil consumption and 21mpg highway.
@@golferal the 6L-80 is absolutely a stout transmission. Flukes happen, my 6L80 went 200k and was still going strong when I sold it, and I thrashed on that truck.
Did my trans cooler lines on my
‘05 Yukon last summer with 275.000 kilometres on it.
I had an 04 trailblazer I had to do them like 2 weeks after i bought it
I had to replace the same parts to my 2018 suburban. It continues to have issues up until 2018 also.
That is crazy on a relatively new vehicle
so good job!! always skip interior best mark brooklyn )))
I had to replace my transmission cooler lines in my 2009 impala SS at 80k miles years ago
My 2017 chevy volt leaked oil from the pan a week after taking delivery. It took them 4 different times for them to seal it.
That extra vacuum pump...why?
There are multiple manufacturers that especially for diesel engines have incorporated the vacuum pump onto the rear of the alternator.
They have an oil feed to the vacuum pump and the bearing/rotor oil plus extracted air are then directed by a hose...back down to the sump.
The vacuum is piped to wherever it is needed...
Why not😉
if the oil lines last longer than the warranty, GM doesn't care. If the hose lasted longer, is would probably use better quality rubber, and therefore cost more. New vehicle customers aren't willing to pay more for reliability, as Kia has so vividly illustrated.
love this car
Have you seen the new Silverado pickups with a 4 cylinder ecotech motor? I was shocked the first time I saw that. Also GM has decided to copy Ford and use plastic oil drain plugs that will leak if you don't replace them when you change the oil.
Trans lines on my 2014 Sonic also leaked. Just got them fixed a few weeks ago
My 5
Cylinder Colorado does not leak a drop….2008. Great lil truck-
The transmission cooler line leaked on my 1982 Buick Riviera in 2003!
car has nice real wood interior.