MIL ON, DTC's Set, Delayed Engagement, Hesitation - A/T Troubleshooting
Remove the torque converter housing from the pump assembly.
Disassemble the main oil pump. Refer to Unit Repair - Main Pump
Inspect the main oil pump.
You will need to note the proper orientation of the two springs and the two valves. The replacement springs must be installed exactly like the removed
component or transmission failures and/or shift conditions will occur.
With the ground sleeve facing up and the support assembly turned so the area without visible oil passages is on the top right, a notch should be seen at
the upper left portion of the support assembly. With the aid of the J 43773 (2), compress the lube regulator spring to enable removal of the retaining pin
(1).
The following items are to be removed.
The retaining pin
The stop (4) with 0-ring seal (3) (remove and discard the 0-ring seal)
A short spring (2)
The lube regulator valve (1)
