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brake pedal not feeling right. (Page 2)

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Author	Topic: brake pedal not feeling right.
padroo POA Site Supporter Prowler Junkie From:Chesterton, IN, USA Registered: Dec 2010 Admin Use	posted 07-28-2015 08:01 PM quote: Originally posted by Gort: Thanks I'll try that The check valve could be bad also, it can be changed. If all else fails check out page 5-14 in the 1999 manual for a troubleshooting guide. This message has been edited by padroo on 07-28-2015 at 08:05 PM
quincy POA Site Supporter Prowler Junkie From:Fairfield Glade, TN. USA Registered: May 2004 Admin Use	posted 07-28-2015 08:16 PM Failing booster test: With engine running & vehicle in park. Apply brake with firm push, not a panic push. If the pedal drifts down toward the floor, and you can't put your other foot under the pedal (shoes off for this test please) the diaphragm may have been compromised and is leaking vacuum. Google 'brake boosters' for an explanation on how a booster works. A very cleaver and elegant device it is......good luck. Then again, as your pads wear the travel of your pedal will increase, but you already stated that the pads show little to no wear...
mslc10 POA Site Supporter Prowler Junkie From:Bulverde, Texas, United States Registered: Nov 2009 Admin Use	posted 07-28-2015 08:38 PM quote: Originally posted by padroo: An internal leak in the master cylinder would give you an idiot light. Check the vacuum line running from the intake manifold and the check valve on the booster. An internal leak around the piston Would drop your pressure to the caliper piston. How does this trigger an idiot light if there is not a fluid leak where it actually looses fluid?
beachcat BANNED From:Ontario, Canada Registered: Jul 2011 Admin Use	posted 07-28-2015 09:36 PM One thing about a leaking booster is it usually goes downhill fast. You may have almost zero brakes all of a sudden. It's usually a fairly low cost repair.
padroo POA Site Supporter Prowler Junkie From:Chesterton, IN, USA Registered: Dec 2010 Admin Use	posted 07-29-2015 09:31 AM quote: Originally posted by mslc10: An internal leak around the piston Would drop your pressure to the caliper piston. How does this trigger an idiot light if there is not a fluid leak where it actually looses fluid? It doesn't matter if is an external or internal leak it is still a differential in pressure will give you a light.
mslc10 POA Site Supporter Prowler Junkie From:Bulverde, Texas, United States Registered: Nov 2009 Admin Use	posted 07-29-2015 09:12 PM quote: Originally posted by padroo: It doesn't matter if is an external or internal leak it is still a differential in pressure will give you a light. Sounds pretty sophisticated! http://www.autozone.com/repairguides/Ford-Full-Size-Cars-1968-1988-Repair-Guide/BRAKE-OPERATING-SYSTEM/Pressure-Differential-Warning-Valve/_/P-0900c152800540e0#close I have had a master cylinder leak fluid into the cab of a 1971 ford truck without a brake light come on.also a 2010 tacoma had the same pedal issue as described ( no light) and master cylinder replacement fixed problem . So this is just anecdotal This message has been edited by mslc10 on 07-29-2015 at 09:20 PM
padroo POA Site Supporter Prowler Junkie From:Chesterton, IN, USA Registered: Dec 2010 Admin Use	posted 07-29-2015 09:40 PM Ok, could be I am wrong but it will be interesting to see how Gort makes out. Lots of luck Gort.
mslc10 POA Site Supporter Prowler Junkie From:Bulverde, Texas, United States Registered: Nov 2009 Admin Use	posted 07-30-2015 04:32 PM quote: Originally posted by padroo: Ok, could be I am wrong but it will be interesting to see how Gort makes out. Lots of luck Gort. padroo ,just wanted you to know im not arguing with you, just my 2cents!
Gort Prowler Junkie From:Clinton Tn,USA Registered: Apr 2013 Admin Use	posted 07-30-2015 04:50 PM Sorry I haven't had time to try you guys suggestions ,I'm in court in a law suit about water damage to some property I own. I will get back with photos. I hate it when I'm paying $200 an hour for an attorney and the courtroom conversation gets side tracked to UT football. It cost me $400 to get educated on football.CRAZY Hopefully I'll win and the other guy will have to pick up all the costs.
padroo POA Site Supporter Prowler Junkie From:Chesterton, IN, USA Registered: Dec 2010 Admin Use	posted 07-30-2015 06:45 PM quote: Originally posted by mslc10: padroo ,just wanted you to know im not arguing with you, just my 2cents! No Problem, it's just a discussion.
StingRay POA Site Supporter Prowler Junkie From:Elk Grove Village, IL, USA Registered: Sep 2010 Admin Use	posted 07-30-2015 08:01 PM quote: Originally posted by beachcat: One thing about a leaking booster is it usually goes downhill fast. How ironic .... so does a car with no brakes!
quincy POA Site Supporter Prowler Junkie From:Fairfield Glade, TN. USA Registered: May 2004 Admin Use	posted 08-06-2015 11:34 AM What's the verdict on the braking issues?
Gort Prowler Junkie From:Clinton Tn,USA Registered: Apr 2013 Admin Use	posted 08-20-2015 08:09 PM Had my friend who owns a Chevy dealership drain the fluid and put the correct MOPAR fluid back in and now everything is back to normal. The fluid looked a little dirty. It doesn't feel any different as far as braking but the pedal is more firm.
beachcat BANNED From:Ontario, Canada Registered: Jul 2011 Admin Use	posted 08-20-2015 08:57 PM quote: Originally posted by Gort: Had my friend who owns a Chevy dealership drain the fluid and put the correct MOPAR fluid back in and now everything is back to normal. The fluid looked a little dirty. It doesn't feel any different as far as braking but the pedal is more firm. quote: Originally posted by beachcat: Is the fluid a dark colour? Do you know if the system has been flushed? If not it should be changed because brake fluid will suck in moisture from the air over time. Anytime
robin POA Site Supporter Prowler Junkie From:St Thomas Ontario Canada Registered: Nov 2013 Admin Use	posted 08-20-2015 09:50 PM Thanks for the update Gort..... Glad you figured that out...... Robin
silverkat POA Site Supporter Prowler Junkie From:upstate NY Registered: Apr 2012 Admin Use	posted 08-21-2015 12:07 AM Glad that your friend from the Chevy Dealer was able to help you.
baker39 Prowler Newbie From:Weatherford Texas Registered: Jul 2013 Admin Use	posted 08-21-2015 04:18 PM Just had the same problem with my 99,had the brake system flushed, all normal now, cost under $100.
Gort Prowler Junkie From:Clinton Tn,USA Registered: Apr 2013 Admin Use	posted 08-21-2015 07:33 PM quote: Originally posted by baker39: Just had the same problem with my 99,had the brake system flushed, all normal now, cost under $100. The fluid didn't look that bad until they started draining it. It got darker and darker.

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