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ASSEMBLY OF THE OIL PUMP NOTE: Other than reassembling an “A4” pump found in good condition, DO NOT attempt to rebuild the pump as part of the transmission update rebuild. Any pump found in questionable condition should be replaced with a new 181199A4 pump from NAPO (must be ordered separately).
STEP 333
STEP 331
BP95F601 Install the spring.
STEP 334
BP95F603 Install the plunger for the oil pump relief valve.
STEP 332
BP95F600 Install the plug.
STEP 335
BP95F602 Install the pin for the oil pump relief valve. The machined end of the pin must be toward the plunger. Make sure that the pin goes into the bore of the plunger.
BP95F269 This step will be difficult because the spring will be under heavy tension. Push the plug in until the plug is to the inside of the hole for the roll pin. Install the roll pin. It helps to use an appropriate size punch, inserted from the bottom to hold the plug in place, while the roll pin is driven in from the top.
Bur 7-54022
Issued 10-97
Printed in U.S.A.
