Master cylinder vacuum line? - JeepForum.com

 
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post #1 of 9 Old 04-21-2013, 07:33 AM Thread Starter
Tarpo
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1988 YJ Wrangler 
 
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Master cylinder vacuum line?

My Jeep has been running great lately. But yesterday after driving it, I sat at idle then it died. I could not restart. After flooding trying to restart I let it sit for a while and started looking around.

It seems the vacuum line to the master cylinder fell off. Problem is, it's gone totally. Where does that vacuum line run? And can that be causing my no start?


88 yj. 95 4.0 4 Brl carb, Msd ignition, offenhouser intake, headers. Ford 8.8 rear end, sun fire seats. About to install a newer ax 15 to replace my tired ba10.
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post #2 of 9 Old 04-21-2013, 08:20 AM
87TPIYJ
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You mean the vacuum line to the brake booster?

YJ 350TPI NV4500 SOA 8.8 Flat skid
http://www.jeepforum.com/forum/f22/i...thread-1488489
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post #3 of 9 Old 04-21-2013, 08:29 AM Thread Starter
Tarpo
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Sorry, this is the line I mean. I found the line, but isn't there supposed to be a cap on the end of it?
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88 yj. 95 4.0 4 Brl carb, Msd ignition, offenhouser intake, headers. Ford 8.8 rear end, sun fire seats. About to install a newer ax 15 to replace my tired ba10.
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post #4 of 9 Old 04-21-2013, 08:43 AM
jokerchief462
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No cap hooks from brake booster directly to the intake manifold. And yes that will cause your hard start.

89YJ 2.5L TBI, AX-5, NP231 SYE, Ford 8.8, Yukon Grizzly, Tom Woods Shaft, 33" BFG T/As, 4" lift, Warn VR10000s.

AF Jeep Club Tail #184
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post #5 of 9 Old 04-21-2013, 10:00 AM
4.7stroker
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post #6 of 9 Old 04-21-2013, 10:26 AM Thread Starter
Tarpo
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I still can't get it to start. I've got a buddy coming by tomorrow with a timing light. I'm getting backfires, and it sounds out of time. I'm not sure how old the cap and rotor are.
I may go ahead and replace the cap, rotor, plugs and wires. My plugs are fouled bad. Very black, and soot covered. And it looks like the gaps are about twice the distance they should be.

88 yj. 95 4.0 4 Brl carb, Msd ignition, offenhouser intake, headers. Ford 8.8 rear end, sun fire seats. About to install a newer ax 15 to replace my tired ba10.
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post #7 of 9 Old 04-21-2013, 10:51 AM Thread Starter
Tarpo
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Can anyone ID this distributer?
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88 yj. 95 4.0 4 Brl carb, Msd ignition, offenhouser intake, headers. Ford 8.8 rear end, sun fire seats. About to install a newer ax 15 to replace my tired ba10.
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post #8 of 9 Old 04-21-2013, 12:49 PM
4.7stroker
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post #9 of 9 Old 04-22-2013, 10:01 AM
Flajeeper1
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Quote:
Originally Posted by Tarpo View Post
I still can't get it to start. I've got a buddy coming by tomorrow with a timing light. I'm getting backfires, and it sounds out of time. I'm not sure how old the cap and rotor are.
I may go ahead and replace the cap, rotor, plugs and wires. My plugs are fouled bad. Very black, and soot covered. And it looks like the gaps are about twice the distance they should be.
Replace the vacuum line first, when the vacuum leak is fixed only then can you look at other issues. And yes that's an HEI distributor, you may already have a nuttered ignition system.
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