While driving a loud knocking noise was heard from the front. Consumer was able to drive the vehicle to dealer for inspection, and mechanic determined that a carbon build up on the piston caused the knocking.
2002 GMC Yukon: engine knocking or ticking
5 of the 158 complaints about the 2002 GMC Yukon describe engine knocking or ticking.
- owner complaints
- 5
- of this car's complaints
- 3%
- recalls
- 0
Is there a fix? 108 service bulletins cover this area of the car. See below
Engine knocking or ticking by model year
What owners say
Defective engine (pistons knocking in cylinders, as documented by dealer) on 2002 yukon slt; 19,500 miles
When starting the vehicle, there is a very audible engine knock. It seems to go away after about 30 seconds or so. Doesn't get beter nor does it get worse but it is very noticeable.
Knocking noice is heard coming from the front of the vehicle and is felt as a "clunk" through the steering wheel. This is the 2nd time in 6 months that this has occurred. The first time was when the vehicle had 30000 miles on it and it was taken to the dealer and fixed under factory warranty. The vehicle now has 45000 miles on it and the problem is happening again.
2002 yukon - brief engine knock when vehilce is started. Also, has an exhaust noise/rattle at approximately 40-42 MPH, 1000=1300 rpms. Noises started at approximately 2000 miles.
Service bulletins that may apply
- This service bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves...
- This bulletin advises the technician of possible location of an internal coolant leak from a specific...
- This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake...
- This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil...
- This PI bulletin advises the technician on the proper way to install the pistons in an engine.
- This service bulletin provides graphics, information and guidelines for engine component wear to assist...
- This Preliminary information communicates information that will need to be provided to TAC to aid in...
- This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter...
Related recalls
No recalls on record for this model year.
Questions about the 2002 GMC Yukon knocking
Is engine knocking or ticking a common problem on the 2002 GMC Yukon?
5 of 158 owner complaints about the 2002 GMC Yukon (3%) mention engine knocking or ticking. The model year with the most reports is 2021.
Is there a recall or service bulletin for this on the 2002 GMC Yukon?
There are 0 recalls and 108 service bulletins for the same area of the car. Check them below with your VIN.
Other symptoms on the 2002 GMC Yukon
VIN decoder
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