brianfung

I just got a 96 GS300. I just changed the timing belt. water pump and etc. Everything sounds great after the replacement but I hear some noise when the car is idling at rpm 700/min. I nice sounds like something unsmooth. It goes away if I slightly speed the engine up to about 800/min to 900/min. Any idea what could have coused this?

turbogs300

You'll have to describe it better for any kind of accurate diagnosis.

Jmai22

my guess would be power steering. does it make noise when you turn the steering wheel also?

brianfung

Jmai22, thanks and yes, it has a bit of noise when I turn the steering.

Jmai22

I'm not 100% positive its the power steering yet. but it may be.... When my car had power steering problem, it was worse when it was cold than hot. If you can describe your problem a bit more we can diagnose it better.

Oh yeah, first check your power steering fluid make sure its full. when it is low is also makes a whining noise.

AlexR

Also check your belts for wear. Mine just broke.

Tenoshii

I had the same prob...give the pwr steering a flush..

brianfung

Jmai22, yes, I did full up the power steering fluid and it make it better. However, there is still a little noise when steer to the end.

Tenoshii, what do you mean by flushing it? do you mean simply clean the system and replace entirely the fluid?

brianfung

Jmai22, I think you are right. I turn the steering wheel while I here the unsmooth noise. The noise changes also. Any suggestions?
Oh, do you have any picture of you car showing how you dynamatting it? Thanks man!

Jmai22

no, i don't have any pictures at all. but i will take some tonight for you or tommorrow. I'll just show you pictures of the trunk so that way i don't have to tear apart the car too much. I'll just life up the carpet in the trunk and take pictures.

brianfung

Jmai22, thanks and much appreciate!