Mopar 4721338AA Power Brake

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To remove the booster, first, remove the brake master cylinder. Disconnect the vacuum hose between the engine and the booster, being careful not to damage the hose. Note that you should disconnect the hose from the check valve on the booster but not remove the check valve from the booster. Detach the brackets securing the steel heater coolant tube to the dash panel and driver's side frame rail. Under the dash, use a screwdriver to position it between the center tang on the retainer clip and the pin in the brake pedal, allowing the clip center tang to pass over the end of the brake pedal pin and pull it from the pin. Disconnect the pushrod from the pedal pin, discard the retainer clip, and use a new one during reassembly. Remove the nuts and washers holding the brake booster to the firewall. Slide the booster straight out until the studs clear the holes and lift it (along with any gaskets) out of the engine compartment.