Pump, Transmission Oil: Disassembly

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1 - BOLT (6)

2 - PUMP BODY

3 - REACTION SHAFT SUPPORT

NOTE:

When disassembling the transaxle it is necessary to inspect the oil pump for wear and damage.

Remove the reaction shaft support-to-pump body fasteners (1).

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1 - PUMP BODY

2 - PUMP GEARS

3 - REACTION SHAFT SUPPORT

Remove reaction shaft support (3) from pump body (1).

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1 - PUMP BODY

2 - OUTER GEAR

3 - INNER GEAR

4 - REACTION SHAFT SUPPORT

5 - SEAL RINGS (4)

6 - REACTION SHAFT

7 - CRESCENT

NOTE:

There are two dimples on the side of the pump gears these must face up upon reassembly.

Remove the pump gears (2, 3) and check for wear and damage on pump body (1) and gears.

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1 - FEELER GAUGE

2 - OUTER GEAR

3 - PUMP BODY

Re-install the gears (2) and check clearances.

Measure the clearance between the outer gear (2) and the pump pocket using a feeler gauge (1). Clearance should be 0.065 - 0.110 mm (0.0026 - 0.0043 in.).

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1 - FEELER GAUGE

2 - OUTER GEAR

3 - CRESCENT

4 - INNER GEAR

Measure clearance between outer gear (2) and crescent (3) using a feeler gauge (1). Clearance should be 0.080 - 0.145 mm (0.0032 - 0.0057 in.).

Courtesy of CHRYSLER GROUP, LLC

1 - FEELER GAUGE

2 - OUTER GEAR

3 - CRESCENT

4 - INNER GEAR

Measure clearance between inner gear (4) and crescent (3) using a feeler gauge (1). Clearance should be 0.122 - 0.186 mm (0.0048 - 0.0073 in.).
Position an appropriate piece of Plastigage® across both pump gears.
Align the Plastigage® to a flat area on the reaction shaft support housing.
Install the reaction shaft to the pump housing. Tighten the fasteners to 27 N.m (20 ft. lbs.).
Remove fasteners and carefully separate the housings. Measure the Plastigage following the instructions supplied.
The clearance should be 0.020-0.051 mm (0.0008-0.002 in.). If not replace the oil pump assembly.