Frontier 2WD L4-2.5L (QR25DE) (2005)
Crankshaft Main Bearing Seal: Service and Repair
Removal and Installation of Rear Oil Seal
REMOVAL
1. Remove transmission assembly. Refer to REMOVAL (M/T models), REMOVAL (2WD models), REMOVAL (4WD models) or REMOVAL
(2WD), REMOVAL (4WD) (A/T models).
2. Remove clutch cover and clutch disk (M/T models).
3. Remove drive plate (A/T models) or flywheel (M/T models) with power tool. Refer to CYLINDER BLOCK.
4. Remove rear oil seal with a suitable tool.
CAUTION: Be careful not to damage crankshaft and cylinder block.
INSTALLATION
1. Apply new engine oil to new rear oil seal joint surface and seal lip.
2. Install rear oil seal so that each seal lip is oriented as shown.
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Press in rear oil seal to the position as shown.
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Press-fit rear oil seal using a suitable drift [outside diameter 102 mm (4.02 inch), inside diameter 86 mm (3.39 inch)].
CAUTION:
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Be careful not to damage crankshaft and cylinder block.
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Press-fit oil seal straight to avoid causing burrs or tilting.
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Do not touch grease applied onto oil seal lip.
3. Installation of the remaining components is in the reverse order of removal.