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Engine coolingPart report

1998 Lexus GS400 Engine cooling Problems

Complaints
3about this part
Share
10%of 31 total for the year
Median mileage
78,490miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 3 complaints about the engine cooling of the 1998 Lexus GS400, 10% of the 31 complaints for this model year. Where a mileage was given, the median is 78,490 miles. 1 of these say a crash was involved, according to the filers.

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.

“Product defect when the Lexus GS400 hit head on a concrete anti-terrorist restrain t between 40-50 miles a hr. Speed could have been faster according to the repair shop cause the engine was knowed of its mountings, hand break handle broke and turned 90+ degrees to the left. The coin change closed container broke open and cracked as it through its contents all over the drivers area. The air bag failed to deploy and the I was thrown with full force against the steering wheel which hit me directly in the sternum causing blunt contusion to the rib cage and sternum. …”

NHTSA complaint #10046906, filed 2003-11, 71,980 miles

Engine cooling: other model years

YearComplaintsShare of year
1999212%
1998310%

Other parts of the 1998 Lexus GS400

Air bags
7 complaints
Brakes
6 complaints
Seat belts
5 complaints
Vehicle speed control
5 complaints
Body and structure
3 complaints
Electrical system
2 complaints
Steering
2 complaints
Suspension
2 complaints
Tires
2 complaints
Interior lighting
1 complaints
Visibility (wipers, defrost, mirrors)
1 complaints

← All problems reported for the 1998 Lexus GS400

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