Removal Procedure
- Disconnect the battery negative cable. Refer to
Battery Replacement
in Engine Electrical.
- Remove the crankshaft pulley and hub. Refer to
Crankshaft Balancer and Hub Replacement
.
- Remove the drive belt tensioner. Refer to
Drive Belt Tensioner Replacement
.
- Remove the two nuts at the front of the
oil pan.
- Remove the studs for the engine front cover to the oil pan.
- Remove the engine front cover.
Important: Inspect the engine front cover for warping or damage. Replace if needed.
- Clean all sealing surfaces.
Installation Procedure
Tools Required
J 35468 Oil Seal Installer.
- Install the crankshaft front oil seal using
the following procedure.
1.1. | Lubricate the seal lips with engine oil. |
1.2. | Use the J 35468
and
a hammer in order to install the seal. |
- Apply a 10 mm (3/8 in)
wide, by 5 mm (3/16 in) thick bead of GM P/N 12346141
or equivalent to the oil pan to the area where the oil pan and the engine
front cover meet.
- Install the engine front cover over the
dowl pins in the engine block.
Notice: Use the correct fastener in the correct location. Replacement fasteners
must be the correct part number for that application. Fasteners requiring
replacement or fasteners requiring the use of thread locking compound or sealant
are identified in the service procedure. Do not use paints, lubricants, or
corrosion inhibitors on fasteners or fastener joint surfaces unless specified.
These coatings affect fastener torque and joint clamping force and may damage
the fastener. Use the correct tightening sequence and specifications when
installing fasteners in order to avoid damage to parts and systems.
- Install the engine front cover bolts.
Tighten
Tighten the engine front cover bolts to 11 N·m (97 lb in).
- Install the studs for the oil pan in
the engine front cover.
Tighten
Tighten the studs to 7 N·m (62 lb in).
- Install the oil pan nuts on the studs.
Tighten
Tighten the oil pan nuts to 10 N·m (89 lb in).
- Install the crankshaft balancer hub and the crankshaft pulley.
Refer to
Crankshaft Balancer and Hub Replacement
.
- Install the drive belt tensioner. Refer to
Drive Belt Tensioner Replacement
.
- Connect the battery negative cable. Refer to
Battery Replacement
in Engine Electrical.