brake booster -

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post #1 of 4 Old 11-22-2009, 12:10 PM Thread Starter
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Join Date: Nov 2009
Location: garland tx
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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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post #2 of 4 Old 11-22-2009, 12:36 PM
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1992 YJ Wrangler 
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Location: Ontario, Canada
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Look for a leak in one of the lines or components.
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post #3 of 4 Old 11-22-2009, 02:27 PM
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Check the back of your wheels for leaks .


MJM Powder Coating
Elizabethtown Ky.
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post #4 of 4 Old 11-30-2009, 02:17 PM Thread Starter
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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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