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Unread 03-22-2012, 01:24 PM   #1
m3gunner110
Registered User
1988 XJ Cherokee 
 
Join Date: Mar 2012
Location: colorado springs, co
Posts: 1
Need help

Ok dont laugh please I am need to the whole jeep world always have been a ford man, I have a 88 cherokee, picked up to replace my toy the soon to be ex sold while I was deployed, here is my issue: Yesterday she ran fine down to get gas, leaving the gas station she started spittering and back firing, acted like timing jumped a tooth, set the harmonic balancer to sero timing mark, #1 at TDC, rotor facing #1 plug. Pulled the cover crank timing gear at correct position the cam gear is 180 off, chain does seem stretched. Never seen a chain jump a complete perfect 180, if i rotate the crank to align the gears then the distributor is 180 out, which do I reset the cam and redrop the distributor when i put the new chain and sproket on or do i leave the crank in place and just rotate the cam where it needs to be with the distributor in and hope for the best? Like i said I never seen a V8 jump a perfect 180. Thanks for the help.

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Unread 09-23-2012, 08:55 AM   #2
jebbie
Registered User
 
Join Date: Sep 2012
Location: decatur, il
Posts: 2
timing

i have 4.0. im putting new gears/chain on mine. i was replacing lifters so i thought i would replace other things while i had it apart. i got the timing messed up some how after removing gears. i turned the crank and put the gears and chain back on with 15 pins between marks as book said to do. dist is at #1 fire and valves are closed on tdc. vib damper is at 0 degree mark. what is weird is the timing mark on cam gear is 180 degrees off. i think this is the way it was when i took it off (after a few beers). i put my new set on and the same thing. cam gear 180 off. if the pin on end of cam was in the other hole it would be correct as i would turn gear 180 and the timing marks would line up. i just want to know if this is common with 1988 jeep 4.0 to have cam gear 180 off because i have heard of this before. i just want to put cover on and not have to take it off again
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