1990 Lexus LS400 Engine cooling Problems
- Complaints
- 2about this part
- Share
- 8%of 24 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 1990 Lexus LS400, 8% of the 24 complaints for this model year. 1 a fire, 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.
“S10 appropriate handling - enclosing an agenda report service history may 2014 - may/june 2016 on black 1990 Lexus ls 400. The consumer stated each time the repair shop performed services on her vehicle, it LED to another problem(s). A clamp was missing. A wire left dangling, a hose was not placed on correctly or it was the wrong hose and/or a good hose was torn, broken or tattered. A screw was left missing. A part or component was not put in properly. The consumer stated she was afraid to drive the vehicle more than 10 miles, because it would smoke and leak fluid. …”
NHTSA complaint #10916975, filed 2016-10Engine cooling: other model years
Other parts of the 1990 Lexus LS400
6 complaintsAir bags
5 complaintsLatches, locks and linkages
3 complaintsSeat belts
3 complaintsBody and structure
3 complaintsFuel system
2 complaintsSteering
2 complaintsVehicle speed control
2 complaintsBrakes
1 complaintsExterior lighting
1 complaintsOther or unknown
1 complaintsSuspension
1 complaints
← All problems reported for the 1990 Lexus LS400
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