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Old 07-29-2019, 09:22 PM
JonW124 JonW124 is offline
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Join Date: Oct 2018
Posts: 63
Om603

Quote:
Originally Posted by Actros617 View Post
I think removing the vacuum pump would be a better choice because to lock the ip pump the crank has to be at ATDC 15*, im not certain that i would leave the cam and crank at ATDC 15* to remove the chain off the cam sprocket.

If i'm going to remove the vacuum pump do you have to set the crank to a specific position to remove it? I read somewhere there's a the vacuum uses roller cam that compresses a spring, and if its not set properly it can damage the housing.




Ok so i turned my engine a few rotations and both camshaft and crank are now aligned at TDC so its both timed correctly.

Thank you i really appreciate your time and advice.

You are correct about the timing being off with the IP locking tool. It was late when I wrote that. Removing the vacuum pump is what I've done when replacing the head. That way there is no pressure from the vacuum pump to possibly have the chain move.
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