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Unread 11-07-2005, 01:27 PM   #1
PatrickMcD
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Join Date: Apr 2003
Location: Stafford, VA (40 mi south of DC)
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Sticking brake pedal

Hey guys
Got a question about an issue i've had with the brakes on the jeep since I bought it in June. Since then I've replaced the rear brakes and one rear cylinder, but the same issue. The brake pedal in the truck sticks. It feels okay stoping usually, but the pedal generally tends to stay down, to the point of almost holding the truck in place while idling in drive. When driving, I have to push the brake pedal back up with my foot to keep it going. I'm thinking it's the master cylinder, but i wanna be sure before I cough up $55 for a new one.

If it does turn out to be the MC, is there any trick to installing it (never installed a MC on an ABS-equipped vehicle)

Thanks in advance
-PM

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Unread 11-07-2005, 02:05 PM   #2
Matt Gertsch
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Did you bleed the system after the wheel cylinder replacement? Try to bleed the master cylinder before buying a new one.
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Unread 11-07-2005, 02:24 PM   #3
PatrickMcD
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i did a quick bleed of the system when I replaced it. Should I go ahead and do the whole truck?
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Unread 11-07-2005, 03:39 PM   #4
Matt Gertsch
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That's where I would start. Usually a weak feeling pedal is from air in the brake lines. Really bad pedal feel can come from air in the master cylinder. Any shop manual will lay out MC bleeding for you. I think you'll need to bleed the ABS pump too if there is one.
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