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1994 Mercury Cougar oil in spark plugs

Tiny
RCOSTILLA
  • MEMBER
  • 1994 MERCURY COUGAR
  • 4.6L
  • V8
  • RWD
  • AUTOMATIC
  • 178,000 MILES
Hi, I was changing my spark plugs off of my 94 cougar xr7, and I noticed that when I pulled out a couple of the spark plugs there was oil present on the spark plug(top part)I hope that was detailed enough
Monday, January 12th, 2015 AT 6:07 PM

2 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
With age and mileage you probably need new valve seals on engine
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Tuesday, January 13th, 2015 AT 6:17 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,289 POSTS
This is normal, don't worry about it oil can from after miles of driving, make sure the spark plugs are tight to factory specs which is, 11-15 ft-lbs (15-20 Nm). Let us know if you need anything else.
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Monday, December 2nd, 2024 AT 3:32 PM

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