Pump, Transmission Oil: Disassembly

WARNING: This page is about a different variant/trim than selected.

Remove the oil supply from the transmission case. Refer to PUMP, TRANSMISSION OIL, REMOVAL .

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NOTE:
Apply air pressure slowly, oil may spray when B-piston releases from the assembly.
With one hand above B-piston (1), carefully apply air pressure into the hole directly above the B-piston alignment tab (3) to remove B-piston (2) from the assembly.

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Remove the outer ring (1) (inside B-piston).
Remove the snap ring (2).
Remove the clutches and spacers (4).
Remove the hub (3).

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Position the oil pump housing assembly (4) in a suitable press.
Using (special tool #8285, Compressor, Spring) (1), press on the fingers of the piston retainer to remove tension on the split retaining ring (2), and remove the two halves of the retaining ring (2).

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Remove the piston retainer and plate.

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Remove the A-piston (1) and seal (2) from the oil pump.

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Remove the inner (1) and outer (2) oil pump O-rings.

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Remove the six Torx® bolts (1) from the oil pump.

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Separate the two halves of the oil pump, by pushing on the hub.

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Carefully pry up on the oil pump (1), separating it from the housing (2).

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Remove the oil pump O-ring (2).

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Remove the oil pump seal (2).