The timing chain broke on my 2002 Pontiac Grand Am 2.2L 4cyl engine. Since the car is 9 years old, has 140K miles, and is worth less than what a mechanic would charge me for the repair, I am replacing it myself. My prior mechanical work ranges form replacing a head gasket to replacing a light bulb…

Yes. Not only does the chain wear, the sprockets wear and must be replaced with the chain or the new chain will QUICKLY destroy itself by being run on the worn-out sprockets. Follow the instructions exactly. Any short-cuts here will lead to disaster… Because of the very limited amount of room you h…

I have already found out about the close quarters when I removed the drive belt tensioner. The irritating thing for a novice mechanic like myself is the following (direct quote from Chilton’s manual): “Remove or disconnect the following: Crankshaft sprocket, Balance shaft drive chain tensioner, A…

make sure you replace any of the timing chain tensioners and guides

The first thing you need to do is verify whether this is an interference fit engine or not. If it is, then the intake valves in the cylinder head may be bent and the chain is irrelevant at this point. You did not provide any details about this car (bought new or used, how regular the oil changes ar…

Check on your engine size again. I don’t believe the Grand Am was offered with the 2.2L. If it’s a 2002 with a four cylinder, I think it will be either a 2.3 or 2.4, which are overhead cam engines based on the quad four (sometime around 2003, they started using the Ecotec engine, which was also ba…

Um. Yep. I checked it again. It’s still a 2.2L. It is a DOHC Ecotec. My Chilton’s manual lists possible engine sizes for my car at 2.2, 2.4, 3.1 and 3.4. Mine is a 2.2. I don’t know if I should be insulted or not that you think my engine doesn’t exist ;-p. Are you saying my 2.2L DOHC Ecotec is a…

Ok, so after reading the several responses, so far I have gathered the following: I need to replace all the timing kit components. This will not be an easy job. I might have other problems resulting from the chain going. Now, I have more questions: How do I determine (without disassembling the …

If you can get access to ALLDATA, it sometimes provides better step by step instructions and pictures. I can access AllData through computers at my local library. A real shop manual may also be better than Haynes for more detail.

I think you are probably in over your head a little on this DIY repair. The timing chain does not normally break easily due to their design and construction. What is the condition of the timing sprocket? What is the sprocket made of? If the timing chain or sprocket came apart then the oil pan will h…

Timing Chain Replace

Maintenance/Repairs

skpicky August 12, 2010, 6:39am 8

How would I find out if it’s an interference fit engine? It’s just the stock engine. I bought this car used in 2005, since then I have changed the oil about every 6K miles. It has had a relatively free life (since I bought it, at least) of very minor repairs. The oil wasn’t bad.

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Timing Chain Replace

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