Timing Chain
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Timing Chain
Alright i've got a 1999 5.4L F250
so me and my dad had to change the oil pump and timing chains, since if/when someone took it apart before, they put the two chrank sprockets on the wrong way allowing the timing chains to wear together and tear one apart, which then made it back out and start eating away at the oil pump, the broken parts of the timing chain ended up in the oil pan and were clogging the oil pick up tube, now that we've changed all of the parts, we're having trouble getting the timing lined up, are the timing marks on the sprockets and chains just for lining up the initial timing? Will the timing marks be off after a complete rotation of the crank? even if it's timed right?
Thanks for any help, this has been giving us hell for the past two days.
Dylan
so me and my dad had to change the oil pump and timing chains, since if/when someone took it apart before, they put the two chrank sprockets on the wrong way allowing the timing chains to wear together and tear one apart, which then made it back out and start eating away at the oil pump, the broken parts of the timing chain ended up in the oil pan and were clogging the oil pick up tube, now that we've changed all of the parts, we're having trouble getting the timing lined up, are the timing marks on the sprockets and chains just for lining up the initial timing? Will the timing marks be off after a complete rotation of the crank? even if it's timed right?
Thanks for any help, this has been giving us hell for the past two days.
Dylan
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From: SE Texas
JL
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JL
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Yup, it will take MANY MANY rotations for the marked links to line up again.
After we set them using the colored links, I counted the number of "pins" between crank and cam marks so I could double check timing after we rotated the engine.
After we set them using the colored links, I counted the number of "pins" between crank and cam marks so I could double check timing after we rotated the engine.
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I've read somewhere that it took either 52 or 54 revolutions of the crank to get the links to line up again. Don't know if thats true but given how long those chains are, I believe it. I know they don't line up after just a few turns for sure.
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dgrant09
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