1968-2013 Full Size VansEconolines. E150, E250, E350, E450 and E550
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Timing Gear or camshaft-to-distributor gear on camshaft?
My van was making a ticking sound in unison with rpms for about three days before it finally quit.
- I pulled the distributor cap and cranked the engine and saw that the rotor was not turning.
- I pulled the distributor to make sure the shear pin hadn't broken, the shear pin was intact, and the distributor turned when I turned the gear, even when applying resistance.
- I haven't been able to get the front cover off yet to check if the camshaft gear has failed, I'm waiting on borrowing an impact wrench.
I talked to the owner of a shop today who insisted that it was HIGHLY unlikely that the timing gear failed, and that it was more likely that the gear on the camshaft that turns the distributor has been 'known' to get stripped. He then proceded to qouted me $3500 on an entire engine replacement (mine already has 300,000 miles, so if it was the camshaft gear, I mine as well do the whole engine).
Has anybody heard of the camshaft gear which turns the distributor on an '87 e150 4.9L (300) being 'known' to go bad?
I was also wondering if using the special Ford tool, front cover alignment tool (T68P-6019-A) was absolutely necessary, or what an equivalent would be. It costs ~$160!
i had a couple 300 sixes destroy timing gears. unfortunately they went on there way to junk yard heaven. if the gears went bad you will need a special gear puller to replace them. the front cover alignment tool can be skipped sometimes with extra care and attention when bolting cover back on. on my 351w i used a large socket only as a guide while replacing a failed nylon cam gear on the side of I-5 near Sac. good luck with the project.
OK, I was warned in diesel college by a teacher who had a Pontiac with the nylon gears, trying to be cool revving it up, it blew them, after replacement, days later it spun the mains, seems pieces of the nylon clogged the oil passages.
My wheelchair has yet to stop me from wrenching on my vans.
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