Removal Procedure
- Disconnect the battery ground (negative) cable. Refer to
Battery Negative Cable Disconnection and Connection
in Engine Electrical.
- Drain the engine coolant from the cooling system. Refer to
Cooling System Draining and Filling
in Engine Cooling.
- Drain the engine oil. Refer to
Engine Oil and Oil Filter Replacement
.
- Remove the coolant recovery reservoir. Refer to
Coolant Recovery Reservoir Replacement
in Engine
Cooling.
- Remove the crankshaft balancer. Refer to
Crankshaft Balancer Replacement
.
- Remove the drive belt tensioner. Refer to
Drive Belt Tensioner Replacement
.
- Remove the power steering pump with lines. Move the power steering
pump aside. Refer to
Power Steering Pump Replacement
in Power
Steering System.
- Disconnect the thermostat bypass pipe from the engine front cover.
- Disconnect the radiator outlet hose from the coolant pump. Refer
to
Radiator Outlet Hose Replacement
in Engine Cooling.
- Remove the coolant pump pulley. Refer to
Water Pump Replacement
in Engine Cooling.
- Remove the lower crankshaft position sensor wiring harness bracket from
the engine front cover
- Remove the engine front
cover bolts (1, 2 and 3).
- Remove the engine front cover.
- Remove the engine front
cover gasket.
- Clean the engine front cover and engine block gasket sealing surfaces.
Refer to Engine Front Cover Clean and Inspect
.
- Inspect the engine front cover for damage to the engine front
cover, crankshaft front oil seal or the gasket sealing surface. Refer to Engine Front Cover Clean and Inspect
.
- If replacing the engine
front cover, remove the drive belt shield.
- If replacing the engine
front cover, remove the crankshaft position sensor from the engine front cover.
Refer to
Crankshaft Position Sensor Replacement
in Engine Controls -
3.1L.
- If replacing the engine front cover, remove the coolant pump from
the engine front cover. Refer to
Water Pump Replacement
in Engine Cooling.
Installation Procedure
- If removed, install the coolant pump to the engine front cover.
Refer to
Water Pump Replacement
in Engine Cooling.
- If removed, install the
crankshaft position sensor to the engine front cover. Refer to
Crankshaft Position Sensor Replacement
in Engine Controls - 3.1L.
- If removed, install the
drive belt shield.
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 drive
belt shield bolt.
Tighten
Tighten the drive belt shield bolt to 10 N·m (89 lb in).
- Coat both sides of the
lower tabs of the engine front cover gasket with sealant GM P/N 1052080
or equivalent.
- Install the engine front
cover gasket.
- Install the engine front
cover.
- Install the lower crankshaft position sensor wiring harness bracket
to the engine front cover
- Install the engine front cover bolts.
Tighten
• | Tighten the five small engine front cover bolts (1) to 21 N·m
(15 lb ft). |
• | Tighten the three large engine front cover bolts (2) to 55 N·m
(41 lb ft). |
• | Tighten the two large engine front cover bolts (3) to 47 N·m
(35 lb ft). |
- Install the coolant pump pulley. Refer to
Water Pump Replacement
in Engine Cooling.
- Connect the radiator outlet hose to the coolant pump. Refer to
Radiator Outlet Hose Replacement
in Engine Cooling.
- Connect the thermostat bypass pipe to the engine front cover.
- Install the power steering pump with lines. Refer to
Power Steering Pump Replacement
in Power Steering System.
- Install the drive belt tensioner. Refer to
Drive Belt Tensioner Replacement
.
- Install the crankshaft balancer. Refer to
Crankshaft Balancer Replacement
.
- Fill the engine with new engine oil. Refer to
Engine Oil and Oil Filter Replacement
.
- Fill the cooling system with engine coolant. Refer to
Cooling System Draining and Filling
in Engine Cooling.
- Connect the battery ground (negative) cable. Refer to
Battery Negative Cable Disconnection and Connection
in Engine
Electrical.