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Oil leak

Tiny
LARRY HALEY
  • MEMBER
  • 2001 GMC SONOMA
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 86,000 MILES
I have a 2001 gmc sanoma sls 4.3 liter v6.
I see an oil leak where the trans meets the engine. It all started when the truck sat for about 2 weeks in my garage. It is light brown in color an I assume it is oil. Is that the rear main seal?It only has 86,000 miles on the truck.
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Sunday, January 23rd, 2011 AT 7:40 PM

2 Replies

Tiny
DOCHAGERTY
  • MECHANIC
  • 9,601 POSTS
You have as good a chance with that explanation as I do with mine, in fact, I am going to go out on a limb and agree that the leak could be the rear main seal. I would spend a bit of time cleaning the area to be sure of it before proceeding.
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Sunday, January 23rd, 2011 AT 7:53 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Sounds like the rear seal, could also be coming from a leaky distributor gasket, also the oil pressure switch/sensor-
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Sunday, January 23rd, 2011 AT 7:58 PM

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