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2005 Cadillac CTS car loosing oil

Tiny
EBANKSK
  • MEMBER
  • 2005 CADILLAC CTS
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 102,000 MILES
My car is loosing oil slowly. I checked under the car, replaced the spark plugs and I cannot find where the oil is going. There is no smell of fumes; only after about two months or so the dip stick gets below the first hole on the dipstick. Any suggestions?
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Saturday, August 22nd, 2009 AT 4:02 PM

3 Replies

Tiny
MIKE.SHRUM
  • MECHANIC
  • 43 POSTS
How close in mileage are you to oil change. When you pulled plugs what did they look like.
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Saturday, August 22nd, 2009 AT 5:31 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
If there's no leak externally-check the radiator for oil, not there -could be burning in the combustion chamber.
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Saturday, August 22nd, 2009 AT 5:32 PM
Tiny
FACTORYJACK
  • MECHANIC
  • 4,159 POSTS
You can monitor consumption, the acceptable rate is around 1 quart in 2000 miles. To get a better grasp on if it is irregular, start a consumption test by placing it at a known level, and checking it periodically, say every 1000 miles. Consumption can vary with driving habits.
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Thursday, August 27th, 2009 AT 10:28 PM

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