Engine coolingPart report
1999 Jeep Grand Wagoneer Engine cooling Problems
- Complaints
- 1about this part
- Share
- 11%of 9 total for the year
- Median mileage
- 99,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the engine cooling of the 1999 Jeep Grand Wagoneer, 11% of the 9 complaints for this model year. Where a mileage was given, the median is 99,000 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Related service bulletins
- 10191460Feb 26, 2016Valve Body. These may cause over drive cycling.
Engine cooling: other model years
Other parts of the 1999 Jeep Grand Wagoneer
Transmission and drivetrain
2 complaintsAir bags
1 complaintsBrakes
1 complaintsEquipment
1 complaintsSeats
1 complaintsSteering
1 complaintsSuspension
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints
2 complaintsAir bags
1 complaintsBrakes
1 complaintsEquipment
1 complaintsSeats
1 complaintsSteering
1 complaintsSuspension
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints
← All problems reported for the 1999 Jeep Grand Wagoneer
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 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