Did you simply happen to have the key fall off without realizing it?
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Balancer Shaft sprocket pin dowel or woodruff key?
Has anyone removed the balancer shaft sprocket in a 2004, 2.4L K24A engine? If so, was there a woodruff key of any kind to keep the sprocket in place? I just removed mine and there is a gap in the sprocket and in the shaft that could house one, but I didn't find it. I have not seen one in any online schematics. The Haynes manual refers to a dowel pin where I would expect the woodruff key to be, but I've never heard it called a dowel pin. I'm trying to set the balance shaft timing and need to align the "dowel pin" on the shaft and mark on the pump housing, but can't tell what the dowel pin is and I can't tell what keeps the sprocket locked into place on the shaft. I've scoured the internet and this site with no luck.
1 - 5 of 15 Posts
It wouldn't be part of the shaft, would be part of the sprocket like the crank sprocket is.
Just go to the auto part store with the sprocket and get the one that fits the groove.
Chances are though if that broke then the balance shaft assembly is garbage because it got metal in it.
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Just go to the auto part store with the sprocket and get the one that fits the groove.
Chances are though if that broke then the balance shaft assembly is garbage because it got metal in it.
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Take it part and check for damage to the balancers or any other moving parts. Make sure there is not serious damage as it can cause vibration issues or even worse, lock up or break.
Also replace the oil pump internals if there is any grooves or anything in there. Better safe than sorry and the couple parts for the pump to rebuild it are fairly cheap and good insurance.
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Also replace the oil pump internals if there is any grooves or anything in there. Better safe than sorry and the couple parts for the pump to rebuild it are fairly cheap and good insurance.
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Well that thing is definitely chewed up, there's your problem.
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Sent from my SM-G950U using Tapatalk
It's the plastic guide in the tensioner and that it's a spring without any retainer You always replace parts like that when rebuilding and engine.
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Sent from my SM-G950U using Tapatalk
1 - 5 of 15 Posts
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