Rear Engine Plate: Service and Repair

Engine Flywheel Housing Replacement

^ Tools Required
- J 37228 Seal Cutter

Removal Procedure





1. Drain the cooling system.
2. Remove the crankshaft rear oil seal.
3. Remove the turbocharger oil return pipe nuts from the top of the flywheel housing.





4. Remove the upper oil pan.





6. Remove the flywheel housing bolts, denoted by the black circles.
7. Separate the flywheel from the cylinder block using J 37228 .
8. Remove the flywheel housing.





9. Remove the turbocharger oil return pipe gasket from the flywheel housing.
10. Remove the oil cooler adapter bolts.
11. Remove the oil cooler adapter and gaskets.
12. If required, clean and inspect the flywheel housing.

Installation Procedure





1. Install NEW O-ring seals to the flywheel housing, if necessary.





2. Apply a 2 mm (1/8 inch) wide bead of sealant (3) GM P/N 97720043 (Canadian P/N 88901148), or equivalent to the flywheel housing sealing surfaces.





3. Install a NEW oil cooler adapter gasket .
4. Install a NEW oil cooler adapter to flywheel housing gasket.
5. Install the oil cooler adapter to the flywheel housing.

6. Notice: Refer to Fastener Notice in Service Precautions.

Install the oil cooler adapter bolts.
^ Tighten the bolts/nuts to 21 Nm (15 ft. lbs.).





7. Install the flywheel housing bolts, denoted by the black circles.
^ Tighten the bolts to 90 Nm (67 ft. lbs.).





8. Install the oil filter.
9. Install the upper oil pan.





10. Install a NEW gasket to the turbocharger oil return pipe.
11. Install the turbocharger oil return pipe to flywheel housing nuts.
^ Tighten the nuts to 21 Nm (15 ft. lbs.).
12. Install the crankshaft rear oil seal.
13. Fill the cooling system.