Leakage Inspection

CAUTION: Do not try to stop the fluid leak by increasing the torque beyond specifications. This may cause damage to the case threads.

Leakage at the transmission fluid pan to case gasket often can be stopped by tightening the attaching bolts to 14 Nm (10 ft. lbs.). If necessary, install a new oil pan case gasket.
Check the fluid filler plug at the transmission case. If leakage is found here, install a new plug. Check fluid tubes and fittings between the transmission and the cooler for looseness, wear, or damage. If leakage cannot be stopped by tightening a fluid tube nut, install new parts. When fluid is found leaking between the case and cooler line fitting, check for missing or damaged O-ring seal, then tighten the fitting to maximum specification.
If the leak continues, install a new cooler line fitting and tighten to specification. The same procedure should be followed for fluid leaks between the cooler and the cooler line fittings.
The cooler can be further checked for leaks.
If leakage is found at the transmission range selector lever, install a new seal.
If leakage is found at the transmission harness connector, install a new O-ring seal.