20 Most Recent 1998 Lexus LS 400 - Page 7 Questions & Answers

To remove the old wiper blades from a J-hook arm, depress the button tab on the connection adapter clip and pull the wiper blade out of the open end of the "J" on the end of the wiper arm until free. You just go to the link I attached I'm sure you will get the solution of your problem..

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check the temp of the heater hoses going into and out of the heater core. they should be the same temp. if not then the heater core may be clogged up.

Did U check with the dealer to see if it is at all possible? Some systems are integral parts of the ignition system and cannot be disabled. Others are accessories than can be bypassed. Check it out.

run the fault codes and look for problems in the accelerator position sensor , throttle motor , MAP/VAF sensors.

bad fan relay or temp sensor

Injectors may be faulty.