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Old 03-21-2018, 05:01 PM   #1
Vaultorb
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Member#: 351747
Join Date: Mar 2013
Location: CA
Vehicle:
2003 WRX
WRB

Default 03 WRX Cold Start Squeal

Hey guys, so my Bugeye has recently been having a fairly loud squeal that only happens during cold starts. Usually only lasts a couple mins then once the car is warmed up I won't hear it again unless I leave my car sitting for awhile and basically do a cold start again.

I've already checked and replaced the simplest sources that I hoped could of been the cause however they were not:
-Checked/Tightened Power Steering/AC belts
-Replaced AC Idler Pulley
-Replaced both Power steering and AC belts
-Checked/Tightened the new belts

Unfortunately after checking all of those possible sources, my Bugeye still screams like a banshee on cold starts.

This is the only video I could find online that is identical to the exact same sound my Bugeye is making.


If anyone has had this issue or can steer me in the right direction for a solution that would be much appreciated. Thank you for your time!
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Old 03-21-2018, 05:25 PM   #2
Charlie-III
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Member#: 30669
Join Date: Dec 2002
Chapter/Region: Tri-State
Location: USA, North NJ, 07456
Vehicle:
1998 Legacy 2.5GT
Silver Sleeper BK, 5MT

Default

Make a mark across the face of the crank pulley.
Then after you start it and hear the squeal, shut the engine off and see if the mark is still lined up.
The stock pulley is 2 metal pieces with a rubber isolator between them. Over time, the rubber can fail allowing the inner part to rotate inside the outer part until friction locks them together.
Making a mark across the face (engine off) allows you to watch their relative motion after a cold start.
If they're moving relative to each other, replace it. It's about $35 on RockAuto.

If the crank pulley looks fine, double check belt tension. Longest run of either belt should have about 3/8" deflection with moderate pushing.
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Old 03-22-2018, 11:31 AM   #3
Vaultorb
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Member#: 351747
Join Date: Mar 2013
Location: CA
Vehicle:
2003 WRX
WRB

Default

Thank you for the advice! Gonna try it out today and follow up with an update
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Old 01-26-2019, 09:34 AM   #4
1ofeach
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Member#: 8641
Join Date: Jul 2001
Location: Backwater CO USA
Vehicle:
2002 WRX DayGlo Blue
2001 S2000, 2017 FoRS

Default 02 with the same sound

My 02 has the exact same sound, and I originally thought it was the belts. I went to replace the belts, and with them both removed, I started the car and the squeal was still there, so I know it's not a belt issue.

I'm thinking it is an idler or something from the timing belt, even though I had the timing belt replaced only 2-3 years ago.

Did you ever get to the bottom of your issue?
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Old 01-29-2019, 04:20 PM   #5
03jdmlegacy
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My car has done this for years lol
Goes away after its warm and I've never cared beyond that
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Old 01-30-2019, 11:24 AM   #6
SubLGT
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Member#: 207528
Join Date: Apr 2009
Location: Idaho
Vehicle:
2005 Legacy GT

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Could be the starter motor. Cold start squeal is a common issue in Legacies. It can be cured temporarily with lubrication of the pinion shaft.

https://legacygt.com/forums/showthre...cs-218329.html
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Old 01-30-2019, 05:22 PM   #7
rezzy1776
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Default Hi all new to the forum

Hey guys what's up ... new to the forum... my name is Nick and I currently own a 2016 sti limited... have had a few other subarus in the past including a 2005 sti and a forester.

To you problem... it is almost certainly your power steering... you prob have some air in the system... Jack up the front two wheels open the reservoir and turn the wheels back and forth.
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