Northstar Engines and System Technical Discussion Discussion, Oil burning TSB.. I know this has been talked about before in Cadillac Engine Discussion; I know there was a TSB Released about the excessive oil burning. My 99 STS does not leak oil anywhere ...
- 03-04-08 03:16 PM #1Cadillac Owners Member
- Automobile(s): 99STS
- Join Date
- Mar 2008
Oil burning TSB.. I know this has been talked about before
I know there was a TSB Released about the excessive oil burning. My 99 STS does not leak oil anywhere but still uses 1 quart every 500-1000 miles depending on how I drive it, and mor towards the 500 mile range because I drive it hard all the time. It looks like a lot of oil is coming through the PCV system as a vapor but I can't be sure. There was a TSB that the dealer could put some liquid into the cylinders that would clean up the rings but I can't find it anywhere; does anyone recall this?
- 03-04-08 05:31 PM #2
Re: Oil burning TSB.. I know this has been talked about before
Take a look at this thread
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