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Unread 11-22-2009, 12:10 PM   #1
chef_kb
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Join Date: Nov 2009
Location: garland tx
Posts: 3
brake booster

i have a 86 comanche. brakes were working fine, came to a stop, pedal goes almost to the floor. can pump it up a bit. if the engine is off, the brakes feel fine, with foot on pedal, start engine, pedal goes to floor. also brake light stays on. since it happend all at once i doubt air in lines. brake booster problem? also if i take vacume line off booster and plug it, i do not have to pump up the brakes.

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Unread 11-22-2009, 12:36 PM   #2
Alfons
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1992 YJ Wrangler 
 
Join Date: Jul 2005
Location: Ontario, Canada
Posts: 2,218
Look for a leak in one of the lines or components.
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Unread 11-22-2009, 02:27 PM   #3
MJMPC
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1991 YJ Wrangler 
 
Join Date: Nov 2008
Location: Elizabethtown, Ky.
Posts: 3,070
Check the back of your wheels for leaks .
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Unread 11-30-2009, 02:17 PM   #4
chef_kb
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Join Date: Nov 2009
Location: garland tx
Posts: 3
no leaks, replaced booster, took for test drive seemed fine. pulling in drive way felt like emergency brake stuck. all 4 wheels are locked up. ????
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