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Rear Servo Air Test Apply air pressure to the rear servo apply passage. The servo rod should extend and cause the band to DIAGNOSIS AND TESTING - CONVERTER When diagnosing converter housing fluid leaks, two items must be established before repair. (1) Verify that a leak condition actually exists. not be leaks at all. They may only be the result of housing leaks have several potential sources. Through careful observation, a leak source TORQUE CONVERTER LEAK POINTS Possible sources of converter leaks are: diameter weld (Fig. 12). (2) Leaks at the converter hub weld (Fig. 12). CONVERTER HOUSING AREA LEAK CORRECTION (1) Remove converter. is tight around front clutch retainer. This prevents (3) Remove oil pump and remove pump seal. Inspect pump housing drainback and vent holes for (4) Inspect pump bushing and converter hub. If bushing is scored, replace it. If converter hub is (5) Install new pump seal, O-ring, and gasket. Replace oil pump if cracked, porous or damaged in (6) Loosen kickdown lever pin access plug three turns. Apply Loctite™ 592, or Permatex t No. 2 to plug threads and tighten plug to 17 N·m (150 in. lbs.) (7) Adjust front band. transmission fluid or petroleum jelly and install con- (9) Install transmission and converter housing dust shield. (10) Lower vehicle. Fig. 11 Converter Housing Leak Paths 1 - PUMP SEAL Fig. 12 Converter Leak Points - Typical 1 - OUTSIDE DIAMETER WELD WG AUTOMATIC - 44RE 21s - 51 AUTOMATIC - 44RE (Continued) 2001 JEEP GRAND CHEROKEE |