Last OCI on the Aurora I used 6qts of 5w30 QSUD and have thus far run it 4500 miles. The Change Oil Now indicator has lit up. Of course, this car has oil consumption issues due to sticky rings (seems well documented) and has seen 6qts of top up QSUD as well as 1qt of havoline conventional and 1qt of shell conventional.
I figure I can extend my OCI based on this, but I also don't want to make the rings worse (if thats possible at this point!). How long would you take this before feeling like a UOA is necessary?
Oh, FWIW these cars have known oil ring sticking issues. I have not borescoped or done a compression test but power and economy are fine so I don't suspect any larger issues.
I figure I can extend my OCI based on this, but I also don't want to make the rings worse (if thats possible at this point!). How long would you take this before feeling like a UOA is necessary?
Oh, FWIW these cars have known oil ring sticking issues. I have not borescoped or done a compression test but power and economy are fine so I don't suspect any larger issues.