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I recently broke the timing chain on my 2005 chevy cavalier ecotec 2.2 broke the front guide and broke the bottom guide bolt off. I was wondering how I can repair this thought of drilling the old bolt out but not sure how far in I can drill. can you help me with this so I don;;t ruin the block by drilling in to far or if it will not ruin something if I do drill in to far. Thanks Bill
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Sounds to me like he snapped off one of the bolts that hold one of the guides in place. Your only luck will be an easy out more than likely. Those bolts are torqued ranging from 71lb-in to 108lb-in depending on the bolt. Good luck
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yes when the timing chain broke it sheared the bottom bolt off the chain guide in the front of the engine the long guide
According to what iv been reading the 2005 ecotec is a interference engine meaning that if it jumps timing or the chain breaks the pistons will make contact with valves bending or breaking them.
You might have more problems than just a broken bolt.
1. Get VIN number and call dealership to see if engine is Interference/NON Interference
2. Do you have broken bolt?that’s not my concern right now I have replace all the valves and head which did bend 4 valves all that has been taken care of my concern is the bolt that sheared off on the chain guide and not sure how far in I can drill without damaging the block.so I can re thread it and put a new bolt in.
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