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8.8 swap and brake problems.
my buddy has a 97 tj sahara. he just bought a 8.8 from ecgs and installed it. he also bought new front calipers for the hp30 he swapped in. had a hard time getting brakes to bleed, but ran quite a bit of fluid through lines. The pedal is hard, very hard. you cant even stand on it to make it stop. the booster is hooked up properly. when you unplug the booster, the pedal would not be as hard and you could actually push it. my question for you guys is do you think it would be master cylinder or booster?
thanks for replies
thanks for replies
1998 Chevy Malibu SOLD
1998 Jeep ZJ -3.5", RC Quick Discos, Eagle Alloys, 31 BFG A/T KO's, Painted Cladding, CB, Panasonic HU, Infinity 6022i Speakers, Infinity 1250 Sub, Blaupunkt Amp, Taurus E-Fan, KOR Rad Support, Rear Recovery Point, Rancho Shocks, Flowmaster 40, Magnaflow High Flow Cat, Diehard Platnium Battery, (4) 6" Roof Lights, Roof Basket, RC HD Adjustable Front Trac Bar
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Registered User
sounds like it is the booster to me
but at the parts house you can get both as an assbley for around the same price
i would get both
but at the parts house you can get both as an assbley for around the same price
i would get both
Registered User
Have your friend check to be sure his calipers are not upside down. The bleeders should be positioned up high, not down low. If they are upside down the bleeders will be too low to draw out air and the brakes will not bleed correctly.
Basically look and see if the bleeder would be positioned higher up if the caliper were to be flipped. This is a common mistake and an easy fix if this is the case.
Basically look and see if the bleeder would be positioned higher up if the caliper were to be flipped. This is a common mistake and an easy fix if this is the case.
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he did make that mistake first but i told him and he flipped them so bleeders are at highest point now.
1998 Chevy Malibu SOLD
1998 Jeep ZJ -3.5", RC Quick Discos, Eagle Alloys, 31 BFG A/T KO's, Painted Cladding, CB, Panasonic HU, Infinity 6022i Speakers, Infinity 1250 Sub, Blaupunkt Amp, Taurus E-Fan, KOR Rad Support, Rear Recovery Point, Rancho Shocks, Flowmaster 40, Magnaflow High Flow Cat, Diehard Platnium Battery, (4) 6" Roof Lights, Roof Basket, RC HD Adjustable Front Trac Bar
My ZJ Build Thread----->>>>
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Wizard of Brakes
Quote:
Originally Posted by B2CARPEN
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Have your friend check to be sure his calipers are not upside down. The bleeders should be positioned up high, not down low. If they are upside down the bleeders will be too low to draw out air and the brakes will not bleed correctly.
Basically look and see if the bleeder would be positioned higher up if the caliper were to be flipped. This is a common mistake and an easy fix if this is the case.
Basically look and see if the bleeder would be positioned higher up if the caliper were to be flipped. This is a common mistake and an easy fix if this is the case.
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blackmagicbrakes.com
Knowledge does not equal understanding.
Wizard of Brakes
Quote:
Originally Posted by pstack3315
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my buddy has a 97 tj sahara. he just bought a 8.8 from ecgs and installed it. he also bought new front calipers for the hp30 he swapped in. had a hard time getting brakes to bleed, but ran quite a bit of fluid through lines. The pedal is hard, very hard. you cant even stand on it to make it stop. the booster is hooked up properly. when you unplug the booster, the pedal would not be as hard and you could actually push it. my question for you guys is do you think it would be master cylinder or booster?
thanks for replies
thanks for replies
I am Savvy
blackmagicbrakes.com
Knowledge does not equal understanding.
didn't mess with the master cylinder or the booster during the process
1998 Chevy Malibu SOLD
1998 Jeep ZJ -3.5", RC Quick Discos, Eagle Alloys, 31 BFG A/T KO's, Painted Cladding, CB, Panasonic HU, Infinity 6022i Speakers, Infinity 1250 Sub, Blaupunkt Amp, Taurus E-Fan, KOR Rad Support, Rear Recovery Point, Rancho Shocks, Flowmaster 40, Magnaflow High Flow Cat, Diehard Platnium Battery, (4) 6" Roof Lights, Roof Basket, RC HD Adjustable Front Trac Bar
My ZJ Build Thread----->>>>
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Wizard of Brakes
Quote:
Originally Posted by pstack3315
View Post
didn't mess with the master cylinder or the booster during the process
Is this with the motor on or off and is the vacuum line hooked up?
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blackmagicbrakes.com
Knowledge does not equal understanding.
vacuum line is hooked up.
when it is running, the pedal is hard.
if you take the vacuum line off when it is running, he says you can push the pedal with your feet.
edit: he also mentioned it sat overnight with rear bleeders open..
possible airlock???
when it is running, the pedal is hard.
if you take the vacuum line off when it is running, he says you can push the pedal with your feet.
edit: he also mentioned it sat overnight with rear bleeders open..
possible airlock???
1998 Chevy Malibu SOLD
1998 Jeep ZJ -3.5", RC Quick Discos, Eagle Alloys, 31 BFG A/T KO's, Painted Cladding, CB, Panasonic HU, Infinity 6022i Speakers, Infinity 1250 Sub, Blaupunkt Amp, Taurus E-Fan, KOR Rad Support, Rear Recovery Point, Rancho Shocks, Flowmaster 40, Magnaflow High Flow Cat, Diehard Platnium Battery, (4) 6" Roof Lights, Roof Basket, RC HD Adjustable Front Trac Bar
My ZJ Build Thread----->>>>
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or would the check valve in the booster be causing this? im lost here
1998 Chevy Malibu SOLD
1998 Jeep ZJ -3.5", RC Quick Discos, Eagle Alloys, 31 BFG A/T KO's, Painted Cladding, CB, Panasonic HU, Infinity 6022i Speakers, Infinity 1250 Sub, Blaupunkt Amp, Taurus E-Fan, KOR Rad Support, Rear Recovery Point, Rancho Shocks, Flowmaster 40, Magnaflow High Flow Cat, Diehard Platnium Battery, (4) 6" Roof Lights, Roof Basket, RC HD Adjustable Front Trac Bar
My ZJ Build Thread----->>>>
To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
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