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Engineering/Technical Ask technical questions about cars. Do you know how a car engine works? |
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02-19-2014, 09:31 AM | #1 | |
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Camshafts Not Aligned Correctly
I recently noticed that my exhaust and intake camshafts were not aligned correctly (the engine was recently rebuilt). The alignment tool for this engine is a metal bar that runs across the end of the cams horizontally, and a pin to hold the crank at TDC. I tried to release tension off the timing chain to rotate the one cam, but that just made matters worse some how. Is is feasible that I just remove a sprocket off one of the cams, to release the chain, and then line everything up correctly? I'm trying to avoid having to remove the timing chain cover. Anything I need to worry about?
2.3L Mazda 3 DOHC |
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02-20-2014, 06:17 PM | #2 | |
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Re: Camshafts Not Aligned Correctly
I doubt you can fix this without pulling the cover to release the tensioner.
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02-20-2014, 06:42 PM | #3 | |
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Re: Camshafts Not Aligned Correctly
Why do you say that? Once the pulley is off the exhaust cam, what would be preventing me from getting both cams in alignment?
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02-26-2014, 06:59 PM | #4 | |
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Re: Camshafts Not Aligned Correctly
Lining up the camshafts without the sprocket on will be a very tedious task. Then you will have to fight the gear back in there while its under tension, without spinning either cam or the crank.
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02-27-2014, 06:58 AM | #5 | |
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Re: Camshafts Not Aligned Correctly
Well I didn't need to remove the sprocket. Once tension is released, I can loosen the exhaust sprocket which allows the cam to move freely.
That being said, I had an issue where after I got everything lined up with the tension released, I would then rotate the crank to tighten the chain backup, and then everything would go back out of whack. |
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