Index Chrysler Chrysler TOWN & COUNTRY, VOYAGER, Dodge Caravan - service repair manual 2001-2007 year
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If the vacuum supply is 12 inches Hg (40.5 kPa) or more, the power brake booster is defective and must (6) Shut off the engine. erence port on the engine intake manifold. (8) Start the engine and observe the vacuum gauge. If the vacuum is still low, check the engine tune and repair as necessary. If the vacuum is above 12 Once an adequate vacuum supply is obtained, repeat the BASIC TEST. VACUUM LEAK TEST (1) Disconnect the vacuum hose on the vacuum check valve, then place a vacuum gauge in line (2) Start the engine. ing temperature and engine idle. (4) Using vacuum line pliers, close off the vacuum supply hose near the booster, but before the vacuum If the vacuum drop exceeds 1.0 inch Hg (3.3 kPa) in one minute, repeat the above steps to confirm the (5) Remove the pliers from the hose temporarily. force) to the brake pedal and hold the pedal steady. (7) Have an assistant reattach the vacuum line pliers to the vacuum supply hose. (8) Allow 5 seconds for stabilization, then observe the vacuum gauge. If the vacuum drop exceeds 3.0 inches Hg (10 kPa) in 15 seconds, repeat the above steps to confirm the (9) Remove the pliers and vacuum gauge. REMOVAL REMOVAL - LHD CAUTION: Reserve vacuum in power brake booster prevent booster from sucking in any contamination (1) With engine not running, pump the brake pedal until a firm pedal is achieved (4-5 strokes). (2) Remove negative battery cable terminal from battery. (3) Remove positive battery cable terminal from battery. (4) Remove battery thermal guard shield. the battery tray. (6) Remove screw securing engine coolant filler tube to battery tray. (7) If the vehicle is equipped with speed control, disconnect the vacuum hose at the vacuum tank built (8) Remove the two nuts and one bolt securing bat- tery tray in place. Remove battery tray. (9) If vehicle is equipped with speed control: (a) Disconnect wiring harness connector from the speed control servo. (b) Remove the two servo mounting nuts. the way. ELECTRICAL/WIPERS/WASHERS/WIPER MOD- ULE - REMOVAL) (11) Disconnect wiring harness connector from brake fluid level switch in master cylinder fluid res- Fig. 58 Master Cylinder And Booster 1 - POWER BRAKE BOOSTER 5 - 42 BRAKES - BASE RS POWER BRAKE BOOSTER (Continued) |