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Engine coolingPart report

1999 Lexus GS400 Engine cooling Problems

Complaints
2about this part
Share
12%of 17 total for the year
Median mileage
—not reported
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 2 complaints about the engine cooling of the 1999 Lexus GS400, 12% of the 17 complaints for this model year. 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.

“The contact owns a 1998 Lexus GS400. While driving approximately 70 MPH the vehicle stalled causing a vehicle to crash into the rear of the vehicle. A police report was filed. The driver was injured. The vehicle was destroyed and towed to an unknown location. The vehicle was never examined for the cause of failure. The failure and current mileages were unknown. The VIN was unavailable.”

NHTSA complaint #10341638, filed 2010-07

Engine cooling: other model years

YearComplaintsShare of year
1999212%
1998310%

Other parts of the 1999 Lexus GS400

Vehicle speed control
6 complaints
Electrical system
4 complaints
Suspension
4 complaints
Brakes
3 complaints
Exterior lighting
2 complaints
Air bags
1 complaints
Fuel system
1 complaints
Other or unknown
1 complaints
Seat belts
1 complaints
Transmission and drivetrain
1 complaints

← All problems reported for the 1999 Lexus GS400

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 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