Question about 1999 Jeep Wrangler
After fitting the new master cylinder bleed all wheel cylinders.. Check the booster by pumping the brake pedal several times with the engine stopped, hold pressure on the brake pedal and start the engine, the pedal should move down a small amount if the booster is working ok, if not check there is vacuum at the hose to the booster, On petrol motors the hose runs from the inlet manifold to the booster, diesel motors from the vacuum pump to the booster. If still no stopping power, check all wheel cylinders to make sure they are seized up. If ABS brakes are fitted get a mechanic to bleed them.
Posted on Jun 22, 2015
1: inspect all brake linings first.
no pulling left or right braking?
the car has 100% full manual brakes. if the brake booster fails.
(its only and assist !!! for 50lb small folks)
so does it? it takes more pedal pressure but has 100% full braking.
this is no accident its by design.
make sure none of the brake shoes/pads are soaked in DoT3/4 fluid
or grease or gear oil.
and no brake fluid leaks end to end, this is really #1 on all cars.
look, then look again. even behind and in front of the master cylinder.
look at tires (inside for fluid leaks>)
2: do the booster test. did the vacuum hose to it fall off?
or got pinched, or ?
google brake booster test
if ABS system. get it all checked,
if ABS get the ABS scanned.
if you cant stop correctly,,,,???? , dont drive.
get it fixed.
Posted on May 06, 2014
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Posted on Jan 02, 2017
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