Question about 2004 Chevrolet Aveo
There is One mark on the crankshaft pulley that needs to point almost straight down (line up mark on pulley with notch on the bottom of rear timing belt plastic cover piece). Both cam sprockets will have a notch stamped into them. these need to be pointing exactly at each other. I believe the rear cam is the intake on these engines and the front is the exhaust. When the notch is at the 3 oclock position on the intake cam, the exhaust cam needs to be at the 9 oclock position (the marks will almost touch each other). Make sure you rotate the engine over using a breaker bas on the crank pulley bolt and double (even triple check) the marks and make sure they stay lined up! This is an interference engine and if you're not lined up, get ready to put a new cylinder head on it. Also be sure to rotate the water pump pulley and line up its marks to keep the belt tensioned.
Posted on Sep 14, 2009
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Posted on Jan 02, 2017
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