future4oo0

Hello I am looking for a list of things I should replaced that may not have been replaced on my 1991 Ls 400 before it hit 200,000 miles or at all.

I have replaced the front and rear control arms and the struts. Also the timing belt was replaced at 180,000.

What else is good to look at and replace? As I noticed the car is started to take a few extra seconds to speed up.

The radio antenna is not working. It'll go all the way up but it will not adjust itself down. I read a few posts on here about that but was wondering what the best and more reliable option would be for a replacement?

Thank you,
Andrew

RA40

iTrader: (6)

Vacuum lines are usually gone by now. Other than that, if ya's don't have any problems or symptoms accompanied by CEL's, leave it till necessary. Now if you want to spend the $ for spending sake, just poke around, I'm sure items will turn up.

future4oo0

Any recommendations on which one to buy or where to get it?

ylekiot1

I have a 1990 with 280k. There was bearing noise with the fan clutch bearing that went out at 200k. Also watch the power steering air pump switch that feeds air into the front top of the engine air intake for extra air during a full wheel turn. The pump will start to leak power steering fluid into that air line. The easy way to tell is the hose gets mushy and you see fluid on the inside of the hose when you take it off. Also the fuel damper on the driver fuel rail started to leak at the top where the screw is on the factory damper. The new ones won't have the screw in the top of the damper. Other than that, just watch the usual wearing out of the engine/tranny mounts and the suspension items.

thadword

Look into replacing ur engine coolant temp sensor. A newer one, if it hasn't been replaced in awhile, would improve ur gas mileage and gives u more response when the foot hits the pedal. Also, don't forget to change ur O2 sensor as well (provided this part hasn't been changed too).