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Could be a vacuum leak Could be a defective power brake booster Could be a bad check valve on booster
unbolt master cylinder from boosterdisconnect pushrod at brake pedal arm under dashdisconnect vacuum hose from boosterunbolt booster from firewallreverse order to install new booster
You need to inspect the brake pads/shoes and have the brake system bled. The soft pedal is air in the brake system. The fact that you are hearing air makes me suspect you may have a defective brake booster. Have the power brake booster vacuum diaphragm inspected.
Depending on the exact model, you may have a few things to remove in front of it. When front is clear then remove the brake master cylinder then the booster. A lot of awkward wrench work can be made easier if you have a good socket set with universal joints.
How to change the brake switch on a 2004 Jeep grand Cherokee Laredo
easy
Lift the car, remove the tire, remove the brake shoe and caliper, and remove the old brake pad. Dispose of the old brake pad, put in the new brake pad, replace the brake shoe/caliper, replace the tire and lower the car to the ground.
Remove the wheel; remove the brake pads and caliper; the rotor should slide off of the lug bolts.
The emergency or parking brake on 2003 Jeep Grand Cherokee operates a set of brake shoes inside a hub on the rear axles, this is incorporated into the disc brake setup.
Yes.
You may have a brake booster that is leaking. The diaphragm may be busted. You will need to remove the brake booster vacuum hose and do a vacuum bleed down test. If the booster will not hold vacuum it needs replacing.
A 96 GC has the TCM as an integral part of the PCM for both 6 and V8 models. On some earlier 6 cylinder Grand Cherokees, the TCM is separate and is bolted to the firewall; nuts to remove are next to the brake booster, under the hood, tho the TCM on these is inside the vehicle.