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Bad oil leak

Tiny
JSERAFIN
  • MEMBER
  • 1990 GMC SUBURBAN
  • V8
  • 2WD
  • MANUAL
Just finished changing the oil in my 1990 suburban. Started the engine and checked for leaks. Oil was practically pouring out of the filter area. I hand tightened the filter as tight as it could go, figuring it was loose. Oil not coming from filter, but upon closer inspection with a flashlight, it is coming from the area above the filter. Never leaked a drop prior to this? Any ideas?
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Tuesday, November 23rd, 2010 AT 11:24 PM

4 Replies

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
Check the old filter for the rubber seal, it probably stuck to the mounting area, remove the filter and the old seal.
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Tuesday, November 23rd, 2010 AT 11:34 PM
Tiny
JSERAFIN
  • MEMBER
  • 2 POSTS
Thanks for the response. The oil is not leaking from where the filter screws on. It is coming from above the filter - I don't know what this part is called - oil filter adapter? To let you know, the old filter was stuck (I didn't put it on) and a had to wrestle it off. Eventually cutting the filter off and using needle nose pliers in the holes of the filter base with a long screwdriver wedged in the handle of the pliers to finally unscrew it.
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Tuesday, November 23rd, 2010 AT 11:39 PM
Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
Could it be the sender? If the mount cracked it will need to be replaced. Or maybe KB Weld might fix it.
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Wednesday, November 24th, 2010 AT 12:13 AM
Tiny
DAVE'S BIG BACKYARD!
  • MECHANIC
  • 262 POSTS
Its your oil sending unit
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Saturday, December 25th, 2010 AT 6:53 PM

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