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Annoying Under-Hood Squeaking


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8 replies to this topic

#1 Chip Hedrick

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Posted 04 April 2004 - 09:35 PM

My ’98 OBW has annoying squeaking (note: squeaking, not belt squealing) under the hood. I’ve tightened the belts—no change. I’ve replaced the a/c belt (the alternator belt is in good shape)—no change. It appears to come from the pulleys, not the belts. Any ideas how to stop the squeaking? Could it be due to over-tightened belts (they’re tight, but I’ve tried to leave slight deflection when pressed hard by finger).



#2 Subie Gal

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Posted 05 April 2004 - 10:50 AM

kinda like a cricket chirping squeak?

or something else?

cricking/chirping/squeaking = throw out bearing on clutch...
really annoying noise too... i've gone through 4 of them :(

chirp... chirp... chirp....

Jamie

#3 Chip Hedrick

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Posted 05 April 2004 - 07:52 PM

Jamie: Interesting. Throw out bearing on clutch. That hadn't occurred to me. That could be it. It is sort of a chirping sound. My wife says it sounds like I have a bird under the hood. It only seems to happen when the car is in neutral.

If it is the throw out bearing, is it something serious or only an annoyance?

Maybe that's another reason to pull the engine over the summer and change the clutch, replace the rear main seal, and check the valve clearance. I can't stand having my car sound like a heap when idling in traffic.

#4 CardinaA

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Posted 05 April 2004 - 08:55 PM

i had the chirp you describe (via your wife), and i braced the clutch cable bracket by wiring it to a solid part in the engine. this lowers play on this bracket, which makes clutch a bit stiff, but i couldn't stand the squeak. i may be doing damage with this jury rigged fix, but the clutch is still fine. bet you can silence it if you pop the hood, kick up the revs with one hand (hear the sqeuak increase in volume and frequency), and hold the clutch cable mounting bracket with the other (to silience the squeak). let me know what you find.

#5 powderhound

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Posted 05 April 2004 - 09:59 PM

Chip--since it appears we have the same car (save your 2.5 and body molding) my squeak is coming from the air conditioner. I can lift the hood and manually open the throttle until it kicks on and voila squeak cometh. Just a thought.

#6 cookie

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Posted 06 April 2004 - 12:10 AM

usually depressing the clutch will change the sound. If it is a belt driven squeak I pull the belt and see if it stops.
If it is an idler for the timing belt it could be a bear to find.

#7 bubernak

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Posted 06 April 2004 - 01:05 PM

Had a similar noise on my 97 OBS. It was the water pump bearing. If you need to replace your timing belt soon have them check/replace the water pump too. Saves you the expense of pay for labor twice and these pumps only last an average of 80-100K anyway.

#8 Subie Gal

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Posted 06 April 2004 - 03:14 PM

start the car.. put it in neutral

have someone get in the car and depress the clutch pedal.

if the chirpy chirp stops... it's your t/o bearing

good luck!
Jamie

#9 cookie

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Posted 06 April 2004 - 03:18 PM

I have never seen that on a Subie but I have on other vehicles.I had mine done when I had the major service done so I hope never to see it.
How does one diagnose that? Take off the cover and run it with a stethascope or just pull the timing belt and look for play and leakage?




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