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Old 07-10-2009, 04:17 PM   #23
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Member#: 175878
Join Date: Mar 2008
Chapter/Region: MWSOC
Location: Fort Wayne, IN

Originally Posted by Forcedinduction View Post
Ok fair enough. So just so I am clear:

I can take the belt off at any crank angle.

Upon removing the belt, the force of the valve springs pushing the lifters against the cam lobes will cause the cams to turn, and put the valves in a closed (safe from piston) position.

Before putting on the new belt, I must first turn the crank until its mark ligns up (I can turn the cranks because the valves are all closed).

Only then can I turn the cams to their marks, and only in the order which you describe.

It seems to me that if you tried to turn the cams to their marks, and THEN turn the crank to its mark, the piston could strike one of the opened valves. Correct?

So order is everything.

Sounds right, I haven't tried it any other way to find out if it causes valve interference All WRX's I changed one on have had 0 problems with the timing belt
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Meatbawl is offline   Reply With Quote