Just got my rear differential swapped out under warranty.... what could this sound be

innova · 01-10-2007, 08:33 PM

I have an '05 STi on Cobb sport springs.

Just got my rear diff replaced under warranty because it was leaky. It appears that there is a brand new rear diff installed.

When I am going very slow, and then take a sharp sharp turn (like 5MPH) I hear some popping and clanking from what seems to be my front wheels. It happens on the drivers side when I go left and the passenger's when I go right.

Could the process of replacing the rear diff have anything to do with this? I don't know exactly what they do so I'm not sure but do know it happened as soon as they swapped it.

Any help is appreciated! Please!

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Tgui · 01-11-2007, 08:48 AM

Your diff needs to break in a bit I think. I had the same sounds when my STi was new. Tight turn, clunk, clunk, pop, clank. Nearly pooped myself!

I think you're just fine :-)

I've been wrong before though.

innova · 01-12-2007, 04:45 AM

Hmmm weirdness. I thought it could be the control arms or something. I'm hoping you're right!

Impreza01 · 01-12-2007, 05:52 AM

Do you have your DCCD locked?

WRXDriftR · 01-12-2007, 02:56 PM

o2sys has an "identical" problem on his swapped 6speed. send him a PM to find out if it was resolved

plus, you shuold ask this in the drivetrain forum

innova · 01-12-2007, 08:15 PM

No DCCD is set on Auto, but I know what you're referring to.

I just got the car back from the dealer and they said "Normal differential break-in sounds" and that everything looks tight and correct under my car. I'm going to try reseting the ECU because I hear the center diff has some issues sometimes.

ooops about the wrong forum

I guess I thought it might have something to do with my car being lowered.

01-10-2007, 08:33 PM	#1
innova Scooby Newbie Member#: 97472 Join Date: Oct 2005 Location: Louisville, KY Vehicle: 2005 PDX STi Aspen White 12.7@110 woot	Just got my rear differential swapped out under warranty.... what could this sound be I have an '05 STi on Cobb sport springs. Just got my rear diff replaced under warranty because it was leaky. It appears that there is a brand new rear diff installed. When I am going very slow, and then take a sharp sharp turn (like 5MPH) I hear some popping and clanking from what seems to be my front wheels. It happens on the drivers side when I go left and the passenger's when I go right. Could the process of replacing the rear diff have anything to do with this? I don't know exactly what they do so I'm not sure but do know it happened as soon as they swapped it. Any help is appreciated! Please! * Registered users of the site do not see these ads.

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01-11-2007, 08:48 AM	#2
Tgui Scooby Specialist Member#: 44771 Join Date: Oct 2003	Your diff needs to break in a bit I think. I had the same sounds when my STi was new. Tight turn, clunk, clunk, pop, clank. Nearly pooped myself! I think you're just fine :-) I've been wrong before though.

01-12-2007, 04:45 AM	#3
innova Scooby Newbie Member#: 97472 Join Date: Oct 2005 Location: Louisville, KY Vehicle: 2005 PDX STi Aspen White 12.7@110 woot	Hmmm weirdness. I thought it could be the control arms or something. I'm hoping you're right!

01-12-2007, 05:52 AM	#4
Impreza01 Scooby Specialist Member#: 152 Join Date: Aug 1999 Vehicle: 2002 Impreza WRX WRB	Do you have your DCCD locked?

01-12-2007, 02:56 PM	#5
WRXDriftR Scooby Guru Member#: 65065 Join Date: Jun 2004 Chapter/Region: Tri-State Location: NJ Vehicle: 2004 EJ205 STi 2007 Forester STi	o2sys has an "identical" problem on his swapped 6speed. send him a PM to find out if it was resolved plus, you shuold ask this in the drivetrain forum

01-12-2007, 08:15 PM	#6
innova Scooby Newbie Member#: 97472 Join Date: Oct 2005 Location: Louisville, KY Vehicle: 2005 PDX STi Aspen White 12.7@110 woot	No DCCD is set on Auto, but I know what you're referring to. I just got the car back from the dealer and they said "Normal differential break-in sounds" and that everything looks tight and correct under my car. I'm going to try reseting the ECU because I hear the center diff has some issues sometimes. ooops about the wrong forum I guess I thought it might have something to do with my car being lowered.