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leaks are generally deposited on the housing and not 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® No. 2 to (7) Adjust front band. transmission fluid or petroleum jelly and install con- (9) Install transmission and converter housing dust shield. (10) Lower vehicle. DIAGNOSIS AND TESTING - DIAGNOSIS The diagnosis charts provide additional reference when diagnosing a transmission fault. The charts The hydraulic flow charts in the Schematics and Diagrams section of this group, outline fluid flow and NEUTRAL, FIRST, SECOND, THIRD, FOURTH, MANUAL FIRST, MANUAL SECOND, Fig. 11 Converter Housing Leak Paths 1 - PUMP SEAL Fig. 12 Converter Leak Points - Typical 1 - OUTSIDE DIAMETER WELD 21 - 92 AUTOMATIC TRANSMISSION - 42RE AN AUTOMATIC TRANSMISSION - 42RE (Continued) |