1998 GMC Sierra Engine cooling Problems
- Complaints
- 11about this part
- Share
- 6%of 190 total for the year
- Median mileage
- 79,788miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 11 complaints about the engine cooling of the 1998 GMC Sierra, 6% of the 190 complaints for this model year. Where a mileage was given, the median is 79,788 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.
“The engine started to lose power on a hill and by the time we got to the top the engine was making a trerrible sound. All the guages were reading normal. The Gmc dealer or even head office are not willing to replace the motor. I feel that they should replace the motor for it is not our fault that this happen. We maimtained the truck to the highest standards.”
NHTSA complaint #10071284, filed 2004-01, 79,788 miles“The engine died 3 times within 10 miles with a loss of steering and brakes. On two occasions the vehicle could be restarted after the vehicle sat for a minute. The dealer replaced the fuel pump driver but the vehicle continued to stall.”
NHTSA complaint #10059419, filed 2004-02“The consumer has been experiencing problems with windshield wiper motor. When turning the windsheild wipers on, the motor makes a lot of noise. The manufacturer has yet to be contacted. Vehicle also has the following problems: engine coolant tank and brake master cylinder are leaking, brakes and fuel pump are noisy, and passenger side defroster does not flow enough air.”
NHTSA complaint #830683, filed 1998-11“Problem with fuel system evac canister. The canister, located in left front of engine compartment has a fresh air vent opening for partial venting of vacum directed towards fuel vapor control. It is covered by a loose fitting cap. This un-protected opening allows dirt to enter the top of the canister and eventually clog the opening. When this occurs the entire vacum force is apparently directed to the fuel tank causing fuel tank to collapse. …”
NHTSA complaint #742578, filed 2001-03“A heating connector on coolant line has deteriorated / melted within two years, causing coolant leakage. Manufacturer was notified, and informed consumer that vehicle was not cover under a recall.”
NHTSA complaint #887534, filed 2001-05Related service bulletins
- 10014959Mar 1, 2005Replacement of connector when replacing fuel tank module/fuel pump module.
Engine cooling: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2015 | 1 | 2% |
| 2012 | 1 | 3% |
| 2011 | 1 | 2% |
| 2010 | 1 | 3% |
| 2009 | 1 | 3% |
| 2007 | 2 | 3% |
| 2006 | 1 | 2% |
| 2005 | 9 | 8% |
| 2004 | 4 | 2% |
| 2003 | 9 | 4% |
| 2002 | 22 | 9% |
| 2001 | 22 | 8% |
| 2000 | 21 | 5% |
| 1999 | 17 | 3% |
| 1998 | 11 | 6% |
| 1997 | 15 | 6% |
| 1996 | 11 | 4% |
| 1995 | 6 | 2% |
| 1994 | 6 | 3% |
| 1993 | 7 | 10% |
| 1992 | 1 | 3% |
| 1990 | 1 | 6% |
| 1989 | 1 | 6% |
Other parts of the 1998 GMC Sierra
62 complaintsVisibility (wipers, defrost, mirrors)
32 complaintsSteering
15 complaintsTransmission and drivetrain
15 complaintsFuel system
12 complaintsSuspension
11 complaintsSeat belts
10 complaintsElectrical system
9 complaintsOther or unknown
9 complaintsAir bags
6 complaintsVehicle speed control
6 complaintsBody and structure
4 complaints
← All problems reported for the 1998 GMC Sierra
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