Is the Lexus LS400 an air suspension car?
When I got my 1990 Lexus LS400 aka Toyota Celsior few years ago, the first thing that went wrong with my car was the Air Suspension Shocks. Like most car buyers, you find out what not to buy only after you brought it. Well, I got a LS400 with Air Suspension Shocks.
How much does a Lexus air suspension shock cost?
However, used air suspension shock would not last for too long because most AS shocks would go bad after 12-14 years of life. I decided to purchase a new shock from a local Lexus dealer. The cost was $960 and that was with a discount. The retail for the Lexus Air Suspension shock is $1,150 each. Ouch!
How to change the rear struts on a Lexus LS400?
Here are the procedure of changing the rear struts: 1) Raise and support vehicle. Remove rear seat cushion and rear seat back. Please see Upgrade Fuel Pump for rear seat removal instruction. Remove right and left scuff plates. Remove right and left roof side inner garnishes. Remove package trim.
How do you unbolt a Lexus air suspension wheel?
Unbolt the wheel with a 21mm socket. There are 2 sets of 14 mm bolts on top of the Air Suspension. Unbolt the upper 3 bolts first, then disconnect the wire clip. Proceed to loosen the lower set of bolts. Loosen, but not completely unbolt. There three bolts you have to take out in the bottom portion. 1.
When I got my 1990 Lexus LS400 aka Toyota Celsior few years ago, the first thing that went wrong with my car was the Air Suspension Shocks. Like most car buyers, you find out what not to buy only after you brought it. Well, I got a LS400 with Air Suspension Shocks.
However, used air suspension shock would not last for too long because most AS shocks would go bad after 12-14 years of life. I decided to purchase a new shock from a local Lexus dealer. The cost was $960 and that was with a discount. The retail for the Lexus Air Suspension shock is $1,150 each. Ouch!
Here are the procedure of changing the rear struts: 1) Raise and support vehicle. Remove rear seat cushion and rear seat back. Please see Upgrade Fuel Pump for rear seat removal instruction. Remove right and left scuff plates. Remove right and left roof side inner garnishes. Remove package trim.
How are shocks and struts replaced in a car?
Some SUVs and luxury cars use air suspension systems. Instead of normal shocks and springs, they use rubber air bags filled with air by a compressor. The coil spring is typically removed and replaced with the air bag; a shock absorber of some sort is still used in conjunction. These provide a smooth ride and ride leveling.
What to do if your Lexus IS shocks are leaking?
If necessary, remove the entire shock assembly including the springs. Leakage on the shock absorber is a sign of a bad shock. Refer to the owner’s manual to confirm that you have purchased parts that are compatible for your Lexus IS suspension system. Figure 6.
Is it expensive to repair a Lexus LS400?
The parts are not too pricey if you don’t use original parts but the labor is always a bit of a hit. Air suspension was a premium option on the LS400 when the car was new but as a result is very costly to repair if you have a fault total in the cost of new shocks for each corner.
How many miles does a Lexus LS400 get?
It’s unusual for a LS400 to have done less than 100,000 miles these days as even the youngest car is 16 years old, suspension wear is probable or even inevitable over 100k and control arms and ball joints will likely need replacement, check the cost to do it.
How do you clear an ABS code on a Lexus LS400?
If the codes reappear it means you haven’t fixed the problem. Note: airbag code 41 cannot be cleared using this method, here’s how to clear it. ABS & TRAC codes are cleared by keeping the jumper wire in Tc and E1 and then pressing the brake pedal 8 or more times within 3 seconds.
Unbolt the wheel with a 21mm socket. There are 2 sets of 14 mm bolts on top of the Air Suspension. Unbolt the upper 3 bolts first, then disconnect the wire clip. Proceed to loosen the lower set of bolts. Loosen, but not completely unbolt. There three bolts you have to take out in the bottom portion. 1.
Why does Lexus LS400 air suspension leak air?
This problem normal happen in the morning. Why? well, the car seat over night the air suspension leak air and loose its compression. Once the engine started, the air suspension sensor detect the problem and pump more air into the AS shocks to normalized the height.
Where are the bolts on the LS400 air suspension?
There are 2 sets of 14 mm bolts on top of the Air Suspension. Unbolt the upper 3 bolts first, then disconnect the wire clip. Proceed to loosen the lower set of bolts. Loosen, but not completely unbolt. There three bolts you have to take out in the bottom portion. 1.
If the codes reappear it means you haven’t fixed the problem. Note: airbag code 41 cannot be cleared using this method, here’s how to clear it. ABS & TRAC codes are cleared by keeping the jumper wire in Tc and E1 and then pressing the brake pedal 8 or more times within 3 seconds.
Where do you put the jumper wire on a Lexus LS400?
For engine and transmission codes you place the jumper wire in Te1 and E1. For air bag codes, ABS and TRAC codes, you place the jumper wire in Tc and E1.
What kind of damper does a Lexus LS400 use?
Most OEM suspension utilizes the twin tube damper set up because it allows for more suspension stroke and improves ride quality. Monotube dampers hold the gas and the shock in one tube, separating the liquid from the gas with a floating piston.
Are there any upgrades to the Lexus LS400?
Modifications to the Lexus LS400 are extremely popular. While performance upgrades are nothing new, there are some critical building blocks that should be considered to ensure you unleash your vehicle’s maximum potential. Below are a few things worth doing to properly modify your car for horsepower and handling.
How to clear code 41 on Lexus LS400?
Finally, instantly replace the AB wire with the Tc wire and hold the Tc wire on the ground wire for several seconds. After several seconds the air bag light will blink fast in a 64msec cycle, this means code 41 has been cleared. Tc + ground, AB + ground, Tc + ground, AB + ground, Tc + ground and hold.
How to turn off the air bag light in Lexus LS400?
Let the ground wire lay on the floor then you can easily touch the Tc and AB wires against it. Start by touching the end of the Tc wire to the ground wire for one second. After a second, instantly remove the Tc wire and replace it with the AB wire touching the ground wire for one second.
Finally, instantly replace the AB wire with the Tc wire and hold the Tc wire on the ground wire for several seconds. After several seconds the air bag light will blink fast in a 64msec cycle, this means code 41 has been cleared. Tc + ground, AB + ground, Tc + ground, AB + ground, Tc + ground and hold.
Is there a 41 code for the air bag light?
No connection between the pins on the data link connector on the 93 for clearing the air bag light. You procedure mentions clearing a 41 code, that is not even mentioned for the 93. There is no 41 code for the supplemental restraint system for the 93 model.
How to reset the air bag warning light?
Turn the ignition key to ACC or On for at least 6 seconds before doing anything. Then you touch TC to ground for 1 second, remove the TC ground and then Apply the AB ground for 1 second. Repeat this for 2 cycles and then apply a steady ground to TC and hold it for a few seconds. The air bag light should start blinking rapidly.