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Old 02-24-2010, 07:00 PM   #1
Scooby Specialist
Member#: 57378
Join Date: Mar 2004
Chapter/Region: South East
Location: Macon, Ga
2002 wrx w/ sti swap
04 sti, 11 forester xt

Default inner timing belt cover guides

I need someones expert advice.

I just got some inner timing belt covers and they don't have holes for the belt guides. Has anybody used these covers without guides? Are they necessary?

Best I can tell by searching the part numbers, the ones without the guides say they are for a auto trans wrx. Why would a manual trans need the guides and an auto not?
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Old 12-17-2010, 08:23 PM   #2
Scooby Newbie
Member#: 166487
Join Date: Dec 2007
Chapter/Region: NESIC
Location: VT
1996 Impreza, caged
and swapped


Bumping for the same question. Is this going to cause an issue for me running them on a manual transmission?
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Old 12-17-2010, 10:34 PM   #3
Trust no one
Member#: 11170
Join Date: Oct 2001
Chapter/Region: Tri-State
Location: NYC
02 WRX
15 WRX/05 GTO


On a manual transmission car, it is possible for the engine to turn backwards if the car is bumped or rolls while in gear. If this happens the guides will prevent the belt from jumping off the sprockets and skipping teeth. An auto trans car has no direct coupling between the engine and drivetrain so the same thing can't happen and the guides are not necessary.
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