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> Where is the correct cam gear timing mark on this engine?
Looking in my workshop manual...
The timing mark on the cam sprocket is found almost lined up with the lock
tang on the cam. The sprocket timing mark is then lined up with the mark on
the top of the head. ie the sprocket timing mark is at the top of the
sprocket. All other things being correct, the cam belt tensioner can then
be released.
If you have not ABSOLUTELY done the balance belt alignment AND the oil pump
alignment properly, the engine will run, but there will be a strong
(possibly loud) vibration at about 2500 rpm. A simple rev of the engine will
verify this. I've heard mechanics who should know better justify this
vibration as "exhaust rattle" ... This rattle can be enough to cause the oil
filter to fall off if you leave it.
In other words, make sure the engine revs smoothly before you replace the
cam belt cover and the external belts.
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Stewart DIBBS
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