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Old 11-17-2007, 04:44 PM
dksob81 dksob81 is offline
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Re: New power break booster and cylinder are not working. . .need help

you prolly have air in the system and it will need to be bled completely, you will also need to activate the ABS pump to be sure to get all the air removed from the abs pump.
bleed brakes with pressure (pumping brake pedal) first. Best way is to pump pedal once and hold to the floor while having someone crack the bleeder open, start farthest from the Master Cylinder (which would be the right rear, then LR, RF, LF. Do each wheel until you get all air out. Gravity bleeding might be a good idea to do first.

to gravity bleed - crack all the bleeders and remove cap from Master Cylinder. Be sure to keep an eye on the fluid level in the Cylinder do not let it run dry.

Then pressure bleed - like I mentioned above.

then using a DRB III scanner (or equivilent) bleed the system using the ABS pump. - this might not be totally necessary - but is part of the proper bleeding procedure according to my FSM for my 94.

then pressure bleed again.
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R.I.P. - 94 Jeep Grand Cherokee Limited 5.2L V8 Quadra-Trac, 3" Budget Boost, K&N FIPK Gen II (Cold Air Intake), FlowMaster American Thunder (Exhaust).

W.T.T.F. - 1998 Jeep Grand Cherokee 5.9 Limited - Deep Slate Pearl - K&N FIPK GEN II (COLD AIR INTAKE), Altezza Tails and Crystal Clear Front end light with HID Kit and NP242 Swap.

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