If this does not happen, then the vacuum amplifier or the check valve of the vacuum amplifier does not work, and the vacuum amplifier hose may also not be sealed. Holding the brake pedal in the pressed position, start the engine. When the engine is not running, we press the brake pedal five or six times on the brake pedal. If the force on the brake pedal has noticeably increased during braking, you need to check the amplifier on a stationary car. If the vacuum booster is faulty, the force on the brake pedal increases significantly
11 Pump Motor Relay Location W/O Power Distribution Center FRONT WHEEL SPEED SENSOR (FIG.The vacuum brake booster is replaced when it fails. Replace assembly if runout exceeds approximately 0.25 mm (0.010 inch).įig. If contact was made, determine cause and correct.Įxcessive runout of the tonewheel can cause erratic wheel speed sensor. Tonewheel should show no evidence of contact with the wheel speed sensor. Inspect tonewheel for missing or broken teeth, this can cause erratic sensor signals. Be sure that the wiring harness connector is fully seated onto the terminals of the Pump Motor Relay. (3) Installation is done in the reverse order off removal. While pulling the relay connector strait off the relay terminals. 10 Pump Motor Relay Location With Power Distribution Center 10 and 11), depending on whether the vehicle has or does not have a Power Distribution Center.įig. Make sure the connector is fully seated onto the terminals of the relay.įind the location of the Pump Motor Relay (Figs. (2) Holding the relays with one hand, push the wiring harness connector strait onto the terminals of the relay. (1) Mount the relay and bracket assembly to the (CAB) bracket, with the mounting screw (Fig. (3) Bleed the affected brake line, see Bleeding Bendix Anti Lock 6 Brake System in this section of the manual.
#Rubber support rear spring boosters install
(2) Install brake tube on proportioning valve. (1) Install proportioning valve on Modulator Assembly and tighten to 40 N Im (30 ft. (2) Remove proportioning valve from Modulator Assembly. (1) Remove brake tube and fitting from proportioning valve. 5)ĬAUTION: Proportioning valves should never be disassembled. For the appropriate procedure and sequence, used to bleed the base and ABS portion of the brake system. Refer back to this section of the service manual. Refer to Master Cylinder or Power Brake Service section in this group of the service manual.Īfter servicing the Master Cylinder. If the Master Cylinder or the Power Booster need to be serviced or replaced. Reinstall battery and connect battery cables. (9) Reinstall the acid shield and battery tray.
#Rubber support rear spring boosters manual
Refer to the Bleeding Bendix Anti 6 Brake System in this section of the manual for proper bleeding procedure. (7) Torque the Modulator to fender splash shield attaching bolt to 28 N Im (250 in. The Modulator Assembly fittings and the master cylinder fittings to 16 N Im (145 in. (6) Lower the vehicle and install the 2 master cylinder supply tubes to the Modulator Assembly. (5) Reconnect the 10 way Modulator assembly connector, and the delta P switch connector. Modulator Assembly and torque the fittings to 16 N Im (145 in. (4) Reinstall the 4 hydraulic brake tubes to the Torque both lower mounting bracket bolts to 28 N Im (250 in. Install the Modulator Assembly bracket mounting bolt near the junc.
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