Oil leakage from rear of engine

OIL LEAKAGE FROM REAR OF ENGINE

Model

Discovery Series II Range Rover Defender

Affected vehicles

All V8 derivatives

Date

2001-12-12

Reference

Bulletin 0028, CDS ref L8726bu

Bulletin text

Discovery Series II Range Rover Defender

AFFECTED RANGE:

All V8 derivatives

PROBLEM:

OIL LEAKAGE FROM REAR OF ENGINE

CAUSE:

• Leak from the rear main bearing cap side seals. • Leak from the rear main bearing cap sealant area. • Leak from the crankshaft rear oil seal.

ACTION:

Where a complaint of the above is confirmed, replace the rear main bearing cap side seals with the modified rear main bearing cap side seals now available from Land Rover Parts. As part of this repair the crankshaft rear oil seal should also be replaced. Repair procedure On manual gearbox derivatives, remove the flywheel, refer to Workshop Manual, repair number 12.53.07.

On automatic gearbox derivatives, remove the torque converter drive plate, refer to Workshop Manual, repair number 12.53.13.

1. Remove the sump, refer to Workshop Manual, Engines, repair number 12.60.38.

2. Remove the starter motor, refer to Workshop Manual, repair number 86.60.01.

3. Remove Allen side bolts from the rear main bearing cap. 4. Remove the rear main bearing cap bolts, main bearing cap and crankshaft oil seal. 5. Remove the side seals from the main bearing cap. 6. Carefully remove any residue sealant from the main bearing cap to cylinder block mating faces. 7. Ensure seal locations and mating faces in the main bearing cap / cylinder block are clean.

Bulletin N o : 0028

Caution: Ensure main bearing cap bolt holes in the cylinder block are clean and dry 8. Fit new side seals detailed in PARTS INFORMATION to the main bearing cap, (arrowed in illustration 1). 9. Apply a 3mm wide bead of sealant detailed in PARTS INFORMATION to the main bearing cap rear mating faces on the cylinder block, (arrowed in illustration 2). Caution: Ensure sealant does not enter the cylinder block bolt holes. 10. Carefully locate main bearing cap into position. 11. Fit but do not tighten side bolts. 12. Initial torque - main bearing cap bolts and side bolts to 13.5 Nm. 13. Final torque - main bearing cap bolts to 92 Nm. 14. Final torque - main bearing cap side bolts to 45 Nm. 15. Fit new crankshaft rear oil seal to crankshaft, refer to Workshop Manual, repair number 12.21.20. 16. For information on camshaft oil gallery plugs and the camshaft bore cup plug, refer to 0024. 17. Refit starter motor and sump. Refit flywheel or torque converter drive plate.

PARTS INFORMATION:

LUN000010 - Side seals - main bearing cap rear ERR2640 - Oil seal - crankshaft rear STC50550 - Sealant Gasket - crankcase oil sump - refer to the Parts Microfiche / Electronic Parts Catalogue to confirm correct part number detail.

1

2

WARRANTY CLAIMS: Use Complaint Code: 1Q4N

Discovery Series II Use S.R.O.: 12.21.89/33 - Crankshaft seal / side seals renew and apply sealant Time allowance: 0.50 Hrs

Range Rover Use S.R.O.: 12.21.89/33 - Crankshaft seal / side seals renew and apply sealant Time allowance: 0.70 Hrs

Defender Use S.R.O.: 12.21.89/33 - Crankshaft seal / side seals renew and apply sealant Time allowance: 0.30 Hrs

Camshaft oil gallery plugs Use Complaint Code: 1A3N Use SRO: 12.21.89/26 Reseal both camshaft oil gallery plugs Time allowance: 0.10Hrs

Camshaft bore cup plug Use Complaint Code: 1A5N Use SRO: 12.21.89/27 Renew camshaft bore cup plug Time allowance: 0.10Hrs

Use the appropriate SRO from above in addition to: SRO 12.53.07 Flywheel renew - manual derivatives SRO 12.53.13 Drive plate renew - automatic derivatives

Refer to Repair Times Searcher (RTS) for repair times on individual models.

Please do not return discarded parts to Land Rover.