92 XJ timing off?
Thread Starter
Newbie
Joined: Dec 2010
Posts: 9
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Year: 1992
Model: Cherokee
Engine: 4.0 H.O. I6
So my main question right now is how did it manage to get thrown off in the first place? It was running fine at about 8pm friday and saturday at 7am it just wouldn't start so we decided to check the rotor position at tdc and it was off. We hadn't touched the dist at that point.
Thread Starter
Newbie
Joined: Dec 2010
Posts: 9
Likes: 0
Year: 1992
Model: Cherokee
Engine: 4.0 H.O. I6
I'll have to try that tomorrow because it is too dark now, but what is confusing me is the old rotor was facing the wrong way when we took it off. How could it have done that over night if nobody touched it? Could it have just had a bad start and thrown itself off?
CF Veteran
Joined: Mar 2010
Posts: 47,923
Likes: 38
From: Broward County Fl.
Year: 1989 xj sport 2dr
Model: Cherokee
Engine: 12 hole bosch Injectors
it cant jump thatfar you stated you had the dist out yu either put it back in right or 180 out i sent you an e mail to read
Thread Starter
Newbie
Joined: Dec 2010
Posts: 9
Likes: 0
Year: 1992
Model: Cherokee
Engine: 4.0 H.O. I6
I took the dist out after I discovered the Jeep wouldn't start, so it is very possible I put the new one in wrong but if it still doesn't start after I check that I don't know what to try next.
If the rotor is 180deg out, it's a safe bet that the air you felt was the piston coming up on the exhaust stoke and not the compression stroke.
Re-index the dizzy but make certain your on the compression stroke.
Re-index the dizzy but make certain your on the compression stroke.
CF Veteran
Joined: Mar 2010
Posts: 47,923
Likes: 38
From: Broward County Fl.
Year: 1989 xj sport 2dr
Model: Cherokee
Engine: 12 hole bosch Injectors
exhaust valvesare open on exhaust stroke you will feel no air hence exhaust stroke
CF Veteran
Joined: Mar 2010
Posts: 47,923
Likes: 38
From: Broward County Fl.
Year: 1989 xj sport 2dr
Model: Cherokee
Engine: 12 hole bosch Injectors
it would be so much easier if you could reach thru the computer and bring it up to tdc on compression stroke for him and start his motor so we dont confuse people by all the answers he dont no who to lsten to" shazam gee willikers"
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Last edited by freegdr; Dec 6, 2010 at 05:51 AM.
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