1991 Lexus LS400 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1991 Lexus LS400
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1991 Lexus LS400 ProblemsNoise From Front Suspension
Higher mileage cars can develop creaking and groaning noises in the front suspension, particularly when coming to a quick stop. Inspection and replacement of any worn parts should correct this concern.
If your power steering pump is making noises or leaking, get it fixed ASAP or you will likely be replacing your alternator too. The alternator is located right below the P/S pump and if fluid drips into it it will short out the alternator, this has been occured many times.
Also, if you get a puff of white smoke in the morning it may be a bad speed sensitive steering solenoid, which screws into the power steering pump and has a vacuum line ...
The motor for the rear window sunshade in the Lexus LS400 is known to fail. When this occurs, the sunshade will not extend over the window, and a grinding noise is heard until the motor fails as well.
Replacement of the sunshade assembly is necessary to correct this failure, however, removing the fuse for the sunshade will stop the motor from making the irritating grinding noise.
1991 Lexus LS400 QuestionsChanged the pressure line for power steering.pump now my brakes won't work... (1 answer)
I changed the pressure line but now my brakes won't catch I bleed them and added fluid but still no brakes
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