Nissan and Datsun Workshop Service and Repair Manuals

Seal ring clearance

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Install new seal rings onto oil pump cover.

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Measure clearance between seal ring and ring groove.

Standard clearance: 0.1 - 0.25 mm (0.0039 - 0.0098 in)
Allowable limit: 0.25 mm (0.0098 in)

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If not within allowable limit, replace oil pump cover assembly.

ASSEMBLY

1. Install oil seal on oil pump housing.

2. Install O-ring on oil pump housing.

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Apply ATF to O-ring.

3. Install inner and outer gears on oil pump housing.

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Take care with the direction of the inner gear.