Lexus LS400 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your Lexus LS400

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Lexus LS400 Problems

Automatic Transmission Shutter Code P0770

Owners have reported experiencing rough deceleration, inability to engage overdrive, and a check engine light with diagnostic trouble code P0770. Problems with the torque converter or deferred transmission maintenance can trigger this. Professional transmission diagnosis is recommended to address this issue to prevent unnecessary part replacement and expenditure.

Power steering "growling", leaks around P/S pump and white smoke when car is first started in morning.

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 ...

fan clutch hub

bearing frozen

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Lexus LS400 Questions

Transmission seems like it's slipping after stopping, works fine after restart. (1 answer)

After stopping at a red light or stop sign the car seems like the transmission is slipping. If you turn the car off and back on again it works fine until you stop again. It doesn't happen every time.

Why does my battery always run down after 2 days despite engine and switches off (1 answer)

I keep recharging my battery because it keeps running down after 2 days of full charge. All switches are off but this still happens

good battery turn the key nothing emergency shut-off or security back-ups may have been engaged dont know for sure (2 answers)

just aquired vihicle was told "don't start, won't run don't know why"

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Lexus LS400 Recalls

Recall 98V016000
VEHICLE DESCRIPTION: PASSENGER VEHICLES. DUE TO IMPROPER ASSEMBLY OF THE TERMINAL FOR THE STARTER MOTOR MAGNETIC SWITCH, AN ELECTRICAL SHORT CIRCUIT CAN OCCUR IF ELECTRICALLY-CONDUCTIVE LIQUID, SUCH AS ROAD SPLASH WITH DEICING SALT, ENTERS THIS AREA.
Recall 89V212000
LAMP HOUSING OF CENTER HIGH MOUNTED STOP LAMP COULD BECOME DISTORTED AFTER PROLONGED ILLUMINATION, PARTICULARLY UNDER HIGH TEMPERATURES.

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Lexus LS400 Reviews

I purchased this car new and now have 208000 plus miles on it. My wife and I made many trips of over 3000 miles over the years in it,and we never had a single problem. The only money spent on this car has been for normal maintenance and for things that are subject to wearing out, such as batteries, timing belts (2) alignments. and a very few lights. This has been by far the best riding and most...
What a great car! I purchased this car while rebuilding my finances post recession. I've put approximately 75,000 miles on it since purchase, including pulling a heavily loaded trailer from CA to MI in 2013. I still average 24mpg on road trips, and 22 mpg on my daily commute. I purchased my 93 LS400 with 185000 miles in Dec 2011 for $900. It was blowing white smoke, the previous owner had b...
Update to my previous review Visitor, San Jose, CA, October 30, 2011 13:44 298,500 miles and rising. Original engine and transmission. I just changed the timing belt again (interference engine) and I had to have the crankshaft pulley replaced. Bummer - Still running strong though. I have to milk it though as I just purchased cars for my Wonderful wife and two kids. I recently changed to a ...

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