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Old 02-23-2020, 12:00 PM   #1
Tamergamer
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Should I reset my engine timing with a mildly clogged CCV system?

I've been preparing for a while to reset the timing on my M54b30 engine and I am finally ready however upon inspecting the oil filler cap and the valve cover vent hose I have found some of the notorious "mayo" sludge. It is not too bad, I still have decent vacuum pressure when I open the oil cap with the engine running. I'm suspicious though that if I reset the timing without repairing the CCV first it will just go and mess it up again. What do you think I should do?
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Old 02-23-2020, 12:56 PM   #2
NZ00Z3
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Timing and CCV are two separate systems. Sort them in whatever order fits well with you.
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Old 02-24-2020, 06:39 AM   #3
markusmarkus
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Should I reset my engine timing with a mildly clogged CCV system?

You canít reset the engine timing without adjusting the timing chain sprockets. Your problem is that the car isnít driven far enough to get the engine up to full operating temperature for a long enough time. Take the car in a 20+ mile trip at highway+ speeds on a weekly basis. Thatíll boil off the condensation and thus prevent the mayo.

Last edited by markusmarkus; 02-24-2020 at 06:39 AM.
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