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Old 06-04-2009, 11:48 PM   #1
Jpapworth
Scooby Newbie
 
Member#: 111029
Join Date: Mar 2006
Chapter/Region: SWIC
Location: Queen Creek
Vehicle:
06 LGT & WRX Wagon
Both XPT Stage 2

Default Driveshaft/Tranny

Arrrrgh! I just started getting the infamous metallic grind when I let the gas off. Its an EXTREMELY loud scraping/grinding noise thats primarily between 2500 and 3500 rpm. I have the stock flywheel/clutch. Tranny fluid is full and clean, rear diff fluid is also less than a month old and full (Both are Valvoline 75w-90 GL-5 non-synth). It sounds like its coming right under where the rear passenger puts their feet. I'm guessing its the U-joints, pinion gear, center diff, or rear diff. I would rather take my car somewhere other than the dealer as I have 65K and am out of warranty . Any recommendations? Goodspeed or anywhere else on the east side? And does anyone have a ballpark as to cost? Thanks in advance.
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Old 06-05-2009, 05:08 PM   #2
Jpapworth
Scooby Newbie
 
Member#: 111029
Join Date: Mar 2006
Chapter/Region: SWIC
Location: Queen Creek
Vehicle:
06 LGT & WRX Wagon
Both XPT Stage 2

Default

OK, after removing the diff protector, unbolting and re-attaching the exhaust, and playing with the rear tire pressure nearly of the noise has gone away. There were some scrape marks on the driveshaft in a few spots from the exhaust and also around the diff protector. The only sound that remains is a chirping noise when I let off the throttle once in a while. But that seems normal.
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Old 06-05-2009, 07:27 PM   #3
02WRX06STI
Scooby Newbie
 
Member#: 115023
Join Date: May 2006
Chapter/Region: SWIC
Location: peoria,az
Vehicle:
2006 STI
Aspen White

Default

My car has had this noise since day one.. infact both have had this noise... is it a problem??? I figured it was a normal noise for them. especially when i bought a new one and it had the same noise...
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Old 06-05-2009, 11:01 PM   #4
SubeSTIle
Scooby Specialist
 
Member#: 80736
Join Date: Feb 2005
Chapter/Region: SWIC
Location: West Valley, AZ
Vehicle:
1999 FXT White
E85 is for girls

Default

just as an fyi i believe the transmission is supposed to have something like 75w -140.... all 4 of the subarus i have owned have made these noises on decel.
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