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Old 05-28-2013, 09:29 PM   #1
Scooby Newbie
Member#: 295240
Join Date: Sep 2011
Chapter/Region: SCIC
Location: Bakersfield, Califonia
2013 Hatch

Default Timing belt jumped 3 teeth? :'[ help

I had my timing belt tensioner bearing fail in my 02 wrx and it began to misfire in cylinder #1 and #3. The car made no funny noises besides a crappy idle. The timing marks on the passenger side of the motor are off 3 teeth, the drivers side is off by around one. Considering this is an intereference motor, what are the chances I bent a valve? I didn't rev or drive after it happened.
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Old 05-28-2013, 09:41 PM   #2
Scooby Newbie
Member#: 312159
Join Date: Mar 2012
Chapter/Region: W. Canada
Location: Lethbridge, AB.
2004 WRX


Pretty high chances if it's 3 teeth or more unfortunately. Retiming and doing a compression/leakdown test will be the tell all.

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Old 05-28-2013, 09:48 PM   #3
Scooby Specialist
Member#: 285270
Join Date: Jun 2011
Chapter/Region: NESIC
03 WRX


Do the test as stated above. I'm 90% sure the service manual lists 3 teeth as the max tolerance, so you may have got lucky.

Fingers crossed! :-)
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Old 05-28-2013, 11:08 PM   #4
Uncle Scotty
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Member#: 16200
Join Date: Mar 2002
OK buy Nates beans


sometimes 3 teeth don't cause valve issues

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