Huge win for car owners! All TSBs to be made public. The Center for Auto Safety just made the NHTSA (US Government) make public the full text of all TSBs from now on. They are the same organization that has petitioned the NHTSA & filed lawsuits to protect car owners over exploding gas tanks & other major safety issues. Whenever you drive in your car, you are safer thanks in part to a lot of work over the years by this small but very effective consumer advocacy group.

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pretty bad
Typical Repair Cost:
No data
Average Mileage:
72,500 miles
Total Complaints:
2 complaints

Most Common Solutions:

  1. not sure (1 reports)
  2. replace or rebuild engine (1 reports)
2001 GMC Yukon engine problems

engine problem

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2001 GMC Yukon Owner Comments

problem #2

Mar 262007

(reported on)

Yukon XL SLT 5.3L V8

  • Automatic transmission
  • 95,000 miles


i dont think i can say it as well as can, but here goes. apparently a huge issue not being dealt with by gm. knocking sound on cold start, gm mechamnic says normal... i say a piston moving around in the cylinder is far from normal!!! also causes oil usage issues because oil escapes to the detonation chamber around piston!

- , Birmingham, AL, USA

problem #1

Jan 252007

(reported on)

Yukon XL 5.3

  • Automatic transmission
  • 50,000 miles

The 5.3 in my yukon XL knocks when cold. A trip to the dealer proved to be frustrating to say the least. They say the engine has liners and the engine knocks because of these liners and because it goes away when it warms up, i will have to live with it. Taking a moment to try to absorb what was just said to me, i asked why the sales people didn't mention that two years into owning this 60 thousand dollar truck, it would start knocking and gm would not do anything about it "because they all do it, it won''t hurt a thing"........ this is the response gm is giving to their customers??? ...... this truck has chronic problems, it may look good, but it is put together so cheaply, it's embarrasing......... congratulations, general motors, i have spent my last dollar at your company!

- , Truro, N. S, Canada

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