Northstar Engines and System Technical Discussion Discussion, O5 DeVille Is That My Lifters I Hear???? in Cadillac Engine Discussion; I have an O5 White Caddi DeVille with 157156 miles on it.. When Im accelerating I can sometimes hear my ...
I have an O5 White Caddi DeVille with 157156 miles on it.. When Im accelerating I can sometimes hear my lifters reving up.. I change my own oil regularly. Im a Valvoline guy. Synthetic blend. 5w30 Its my every day transportation pretty much. So I was wondering could or should I add some of that Lucas Oil treatment next time i change my oil or is there something else i can do to quiet this?
I guess what i am hearing are the roll cams and valves. its notengine is cold and then it warmed up.. a knocking or ticking but definately the cams and valves. i dont hear the noise all the time but periodically. I hear it when the
Automobile(s): 2002.5 F55 STS, 2014 Explorer XLT 4WD
MD Eastern Shore
Re: O5 DeVille Is That My Lifters I Hear????
You might want to go way up ^^^ to the black bar and study the Cadillac Technical Archive - especially the article titled "Occasional full throttle operation is good for your engine". In there you'll see a perhaps unfamiliar term: "Cold carbon rap".