Engine Rear Cover: Removal
WARNING: This page is about a different variant/trim than selected.
- Remove the starter. For additional information, refer to STARTING SYSTEM - DIESEL ENGINE .
- Remove the transmission. For additional information, refer to AUTOMATIC TRANSAXLE/TRANSMISSION - TORQSHIFT A.
- Remove the bolts and the flexplate.
- Discard the bolts.
- Remove the flywheel front adapter.
- Using the appropriate drill bit, drill a hole on the RH side of the seal and another directly across from it on the LH side of the seal, as shown.
- Using the special tool and a commercially available body dent puller attachment, remove and discard the rear main seal.
- If equipped with a crankshaft wear sleeve, use the special tool to remove the crankshaft rear wear sleeve.
- Clean and inspect the crankshaft sealing surface.
- If equipped with a heat shield bracket, remove the retaining nuts from the heat shield bracket.
- If equipped with a heat shield bracket, disconnect the wiring retainer from the heat shield bracket.
- If equipped with a heat shield bracket, remove the bolts and heat shield bracket.
- Remove the bolts for the turbocharger heat shield. Position aside or remove the turbocharger heat shield.
- Remove the 8 bolts from the rear engine cover.
- Using a thin blade scraper cut the sealant at the oil pump cover joint.
- Use a thin blade scraper cut the sealant where the crankcase and the lower crankcase meet.
- Use a thin blade scraper cut the sealant where the crankcase and the lower crankcase meet. Remove the rear cover.
- Remove and discard the press-in-place gasket.
- Clean and inspect the sealing surfaces.
NOTE:
Use extreme care when removing the flywheel front adapter to prevent damage to the alignment dowel pin.
CAUTION:
To prevent engine damage, do not remove the rear primary crankshaft flange bolts under any circumstances. If the flange is removed and reinstalled, it will result in engine vibration and premature transmission component wear.
NOTE:
The drill bit used must be the appropriate size for the body dent puller used in the following step.
NOTE:
It will be necessary to alternate between the two holes, drilled in the previous step, to walk the seal out of the engine rear cover.
NOTE:
Production engines will not have a wear sleeve.
NOTE:
Early build shown, late build similar.
CAUTION:
To prevent engine damage, replace damaged or missing dowel pins before installing the rear engine cover.
NOTE:
Use care when removing the engine rear cover so that the oil pump cover gasket does not get pulled out on removal.
CAUTION:
Sealant is used where the crankcase and the lower crankcase meet. Failure to cut the sealant could result in pulling the lower crankcase seal out while removing the rear cover.
NOTE:
A 5-1/2-inch long thin blade scraper will be needed to properly cut the sealant.
CAUTION:
Sealant is used where the crankcase and the lower crankcase meet. Failure to cut the sealant could result in pulling the lower crankcase seal out while removing the rear cover.
NOTE:
A 5-1/2-inch long thin blade scraper will be needed to properly cut the sealant.