LuminaPower92 Posted September 3, 2005 Report Posted September 3, 2005 Hey, What's Up? I have a 93 Lumina Z34, with a whine that is high pitched when it is at idle, and then when you drive off its on until it shifts into 2nd gear and from there on its off. Ive notice on my 2 other 92 sedans with the 4t60 trans, its on there but its not really noticeable unless your listening for it. Any ideas on how to solve this on my z, its the only real issue with the car. Thanks for the help in advance. Quote
skiiirt Posted September 3, 2005 Report Posted September 3, 2005 Accessory Belt? My buddy had same sorta symptoms. Whenever he started it there was a whine/screetching untill he shifted outta first. dunno why that is Quote
LuminaPower92 Posted September 3, 2005 Author Report Posted September 3, 2005 actually i have new belts and such so i dont think so. Its weird, i mean i wouldnt be so picky but it gets annoying. I like having a one of kind z34 round here, but i dont want to be sounding like im kicking on the supercharger mad max style. Quote
Guest Gp crazy Posted September 4, 2005 Report Posted September 4, 2005 How about this. May be it's the Ps pump low fluid or bad bearing or The timing belt or chain. I think the early 3.4's had both. If my book is right? I traced the same sound for a while and found it was my Ps pump bearing and water pump bearing. Not sure why the sound would go away after 2nd gear. But its a quiet know may be the engine is spinning lower rpm's. good luck also look at the Vacuum line going modulator valve maybe leaking. just some thoughts. Quote
Turbo231 Posted September 4, 2005 Report Posted September 4, 2005 Hello, What you need is a mechanical stethoscope...or a metal bar. It allows you to place a metal rod against a bearing casing and lets you "hear" if it's making lots of noise. I used it when I thought my transmission was making noise but it ended up being my water pump. See link below for a cheapy.... http://www.harborfreight.com/cpi/ctaf/Displayitem.taf?itemnumber=41966 Harbor Fright rocks! Those little kids and china can really make things cheaply. Quote
Guest TurboSedan Posted September 4, 2005 Report Posted September 4, 2005 i'm going to guess PS pump. my GTS has the same problem....sounds like a freaking supercharger in my case it is definately the PS pump and the fluid isn't even low. Quote
sl3196 Posted September 4, 2005 Report Posted September 4, 2005 Harbor Fright rocks! Those little kids and china can really make things cheaply. Quote
FastSE2DR Posted September 4, 2005 Report Posted September 4, 2005 straight cut gears? i had em in my DSM...fuckin pimp Quote
Stevo Posted September 4, 2005 Report Posted September 4, 2005 Take a length of rubber hose ... put it up to your ear and against the pump. If theres a whine under the hood, I can guarantee its the PS pump. Quote
DaveFromColorado Posted September 5, 2005 Report Posted September 5, 2005 I've see this problem MANY times with the 440t4/4t60e - it's the front pump in the transmission making noise - it's a common problem and was later fixed with the updates for the newer/rebuilt transmissions. Try changing the fluid it may help. --Dave. Quote
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