screeching sound
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Joined: Dec 2008
Posts: 112
From: Minocqua, Wisconsin
screeching sound
I'm wondering why my car is making this thermostat screaming sound, right behind the motor. video - YouTube
Recently put that valve cover on, plugs, cap and rotor.. rpm surges and makes this sound when warm driving and idling, on and off, not relative to rpms.
Recently put that valve cover on, plugs, cap and rotor.. rpm surges and makes this sound when warm driving and idling, on and off, not relative to rpms.
Last edited by jessecolter; Sep 6, 2012 at 08:45 PM.
Super Moderator : And A Texan
Joined: Feb 2007
Posts: 9,652
From: Katy, TX
If the sound is a teeth-grinding screech, the likely culprit is the pax side cooling fan. When fans get old, the motor bushings wobble out of position and the armature hits the stator field magnets. It's not pleasant.
If that's problem, the fix is replacing the cooling fan, usually about $50-$60 for a new fan, motor, and shroud. You can sometimes find just the motor for a few less bucks.
good luck
If that's problem, the fix is replacing the cooling fan, usually about $50-$60 for a new fan, motor, and shroud. You can sometimes find just the motor for a few less bucks.
good luck
Thread Starter
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Member
Joined: Dec 2008
Posts: 112
From: Minocqua, Wisconsin
figured out
it was one vacuum hose that was disconnected, not right by where the sound was coming from but next to the cruise control line. reconnecting stopped surge and screeching sound.
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