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Engine coolingPart report

2002 GMC Yukon Engine cooling Problems

Complaints
5about this part
Share
3%of 158 total for the year
Median mileage
28,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 5 complaints about the engine cooling of the 2002 GMC Yukon, 3% of the 158 complaints for this model year. Where a mileage was given, the median is 28,000 miles.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“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.”

NHTSA complaint #10028607, filed 2003-07, 30,000 miles

“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.”

NHTSA complaint #10005336, filed 2003-02, 2,000 miles

“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.”

NHTSA complaint #10075989, filed 2004-06

Related service bulletins

Engine cooling: other model years

YearComplaintsShare of year
20241211%
2023146%
2022137%
2021329%
202013%
201912%
201811%
201711%
201510%
201311%
201212%
201111%
200922%
200821%
2007113%
200614%
200522%
200453%
2003126%
200253%
200195%
200021%
1999126%
199834%
199775%
1996913%
199533%
199316%

Other parts of the 2002 GMC Yukon

Brakes
77 complaints
Air bags
11 complaints
Electrical system
10 complaints
Transmission and drivetrain
10 complaints
Fuel system
8 complaints
Seat belts
7 complaints
Steering
7 complaints
Suspension
6 complaints
Tires
5 complaints
Wheels
5 complaints
Other or unknown
4 complaints
Body and structure
4 complaints

← All problems reported for the 2002 GMC Yukon

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology