Fig. 12: Converter Housing Leak Paths
Courtesy of CHRYSLER LLC
When diagnosing converter housing fluid leaks, three actions must be taken before repair:
1. Verify proper transmission fluid level.
2. Verify that the leak originates from the converter housing area and is transmission fluid.
3. Determine the true source of the leak.
Fluid leakage at or around the torque converter area may originate from an engine oil leak. The area should be
examined closely. Factory fill fluid is red and, therefore, can be distinguished from engine oil.
Some suspected converter housing fluid leaks may not be leaks at all. They may only be the result of residual
fluid in the converter housing, or excess fluid spilled during factory fill, or fill after repair. Converter housing
leaks have several potential sources inspect pump seal (1), pump vent (2), pump bolts (3), pump gasket (4),
converter housing (5), converter (6) and a rear main seal leak (7). Through careful observation, a leak source
can be identified before removing the transmission for repair.
Pump seal leaks tend to move along the drive hub and onto the rear of the converter. Pump O-ring or pump
body leaks follow the same path as a seal leak. Pump attaching bolt leaks are generally deposited on the inside
of the converter housing and not on the converter itself. Pump seal or gasket leaks usually travel down the
inside of the converter housin
.
1 - PUMP SEAL
2 - PUMP VENT
3 - PUMP BOLT
4 - PUMP GASKET
5 - CONVERTER HOUSING
6 - CONVERTER
7 - REAR MAIN SEAL LEAK
2009 Chrysler Town & Country LX
2009 AUTOMATIC TRANSMISSION 62TE - Service Information - Grand Caravan, Town & Country
steve
Monday, May 23, 2011 1:26:07 PM Page 13 © 2006 Mitchell Repair Information Company, LLC.
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