The brake booster will have a vacuum line going to it on a non abs system.
Bad master cylinder.
Disconnect brake lines Remove mounting bolts Remove Master cylinder Besure to "bench Bleed" new one prior to install
Contaminated brake fluid? Frozen calipers? Defective master cylinder? Master cylinder activation rod not adjusted properly?
No.
sounds like your brake master cylinder is going bad. This should be fairly easy to replace.
The transmission in a 1991 Chrysler does not have a vacuum modulator.The transmission in a 1991 Chrysler does not have a vacuum modulator.
If you can get a new master cylinder at the parts store it is not worth the trouble or your safety.
unbolt master cylinder from boosterdisconnect pushrod at brake pedal arm under dashdisconnect vacuum hose from boosterunbolt booster from firewallreverse order to install new booster
A 4 cyl has 2 in the throttle body, a six cylinder has one at each cylinder.
35 BTDC 35 BTDC
Begin by removing the brake lines. Remove the master cylinder retaining bolts. The master cylinder will come off. Reverse the process to install a new master cylinder.
It is on the back of the right cylinder head.