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Old 04-14-2008, 10:10 PM   #1
burm
Scooby Newbie
 
Member#: 153807
Join Date: Jul 2007
Location: chicago burbs
Vehicle:
2001 Impreza rs
Aspen white

Default oil leak front main seal?

I'm replacing my crank sprocket and woodruff key and I have had an oil leak, that I could never find where is was coming from. It would drip down and blow back on the the exhaust, and smoke. Which would get some interesting looks while sitting at the stop light. Any way when i took off the timing casing there was oil along the bottom. So I thought cam seals. But when I took off the timing belt, I could see the oil looks like it some from the crank area. I know the oil pump is back there. and I believe the crank seal, and front main seal ( are the crank seal and front main the same thing?). Well give me in your input and let me know what you think and how hard this would be to replace? I do already have the timing belt out the radiator fans out, the alternator out and all that good stuff. Oh also, I had the head gasket replaced in august. The the timing belt, cam seals and some other seals were also replaced.
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Old 04-15-2008, 12:16 AM   #2
Sudafed
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Join Date: Sep 2004
Chapter/Region: NESIC
Location: New Hartford, CT
Vehicle:
2002 2.5 RS
Silver

Default

crank seal and front main are the same. it could be your oil pump or the crank seal, just pull the oil pump off and reseal it. replace the o ring behind it also, and install a new crank seal.
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Old 04-15-2008, 12:36 AM   #3
burm
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Location: chicago burbs
Vehicle:
2001 Impreza rs
Aspen white

Default

how difficult would this be, and how much time would it take. My cars been down for a month, because i only have an hour here or and hour there to work on it.
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Old 04-15-2008, 01:03 AM   #4
Sudafed
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Member#: 70090
Join Date: Sep 2004
Chapter/Region: NESIC
Location: New Hartford, CT
Vehicle:
2002 2.5 RS
Silver

Default

not too difficult at all. you just need to clean up the pump surface and block surface and use a liquid sealant, and make sure you torque the bolts to spec. put the new crank seal in after the pump is on of course. you can take the pump off with the old seal in it too, that will make it easier to get out. it depends on your skill level, but it shouldnt take more than 30 minutes with everything already apart.
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