Special Tools
Removal Procedure
- Remove the frame from the body with the engine and transmission. Refer to
Engine Replacement.
Follow steps 1--40 in Engine Replacement-Removal.
- Remove the lower intake manifold. Refer to
Lower Intake Manifold Replacement.
- Remove the camshaft covers. Refer to
Camshaft Cover Replacement - Left Side and
Camshaft Cover Replacement - Right Side.
- Remove the water outlet housing assembly. Refer to
Water Outlet Replacement.
- Remove the drive belt tensioner. Refer to
Drive Belt Tensioner Replacement.
- Remove the water pump pulley. Refer to
Water Pump Replacement.
- Remove the power steering pump. Refer to
Power Steering Pump Replacement.
- Remove the crankshaft balancer. Refer to
Crankshaft Balancer Replacement.
- Remove the camshaft position sensors. Refer to
Camshaft Position Sensor Replacement - Bank 2 (Left Side) Exhaust ,
Camshaft Position Sensor Replacement - Bank 2 (Left Side) Intake ,
Camshaft Position Sensor Replacement - Bank 1 (Right Side) Exhaust and
Camshaft Position Sensor Replacement - Bank 1 (Right Side) Intake.
- Remove the camshaft position actuator solenoid valves from the front cover. Refer to
Camshaft Position Actuator Solenoid Valve Solenoid Replacement - Bank 1 (Right Side) Intake ,
Camshaft Position Actuator Solenoid Valve Solenoid Replacement - Bank 1 (Right Side) Exhaust ,
Camshaft Position Actuator Solenoid Valve Solenoid Replacement - Bank 2 (Left Side) Intake , and
Camshaft Position Actuator Solenoid Valve Solenoid Replacement - Bank 2 (Left Side) Exhaust.
- Remove the generator. Refer to
Generator Replacement.
- Remove the engine front cover bolts
that hold the engine front cover deadener into position.
- Remove the engine front cover deadener.
- Remove the remaining engine front cover bolts.
Caution: Do not pry between the engine front cover and the camshaft position sensors or the camshaft position actuators in order to separate the RTV. Use the pry points and a bolt in the jackscrew hole
in order to remove the engine front cover. Damage to the camshaft position sensors or the camshaft position actuators may occur if the camshaft position sensors or the camshaft position actuators are used to pry against in order to remove the engine front cover.
- Loosely install a 10 x 1.5 mm bolt in the "jackscrew" hole (1).
- Using the pry points (2) located at the edge of the front cover and the "jackscrew", separate the RTV sealant.
- Remove the engine front cover.
- Using the
EN 46111
, rotate the crankshaft until the left cylinder head camshafts align with the EN 46105-2 and the right cylinder head camshafts align with the EN 46105-1.
- Install the EN 46105-1 to the right camshafts.
- Install the EN 46105-2 to the left camshafts.
Installation Procedure
- Install the 8 mm (0.315 in)
guide from the
EN 46109
into the cylinder block positions as shown.
- Install the engine front cover to cylinder
block seal.
- Place a 3 mm (0.118 in) bead of RTV sealant, GM P/N 12378521
(Canadian P/N 88901148) or equivalent, on the engine.
- Place the engine front cover onto the
EN 46109
and slide into position.
- Remove the
EN 46109
from the cylinder block.
- Install the engine front cover deadener.
- Loosely install the engine front cover
bolts to hold the engine front cover deadener into position.
- Loosely install the remaining front cover bolts.
Notice: Refer to Fastener Notice in the Preface section.
- Tighten the engine front cover bolts in the sequence shown.
Tighten
• | Tighten the engine front cover bolts a first pass in sequence to 20 N·m (14 lb ft). |
• | Tighten the engine front cover bolts a second pass in sequence an additional 60 degrees. |
- Install the generator. Refer to
Generator Replacement.
- Install the camshaft position actuator solenoid valves to the front cover. Refer to
Camshaft Position Actuator Solenoid Valve Solenoid Replacement - Bank 1 (Right Side) Intake ,
Camshaft Position Actuator Solenoid Valve Solenoid Replacement - Bank 1 (Right Side) Exhaust ,
Camshaft Position Actuator Solenoid Valve Solenoid Replacement - Bank 2 (Left Side) Intake , and
Camshaft Position Actuator Solenoid Valve Solenoid Replacement - Bank 2 (Left Side) Exhaust.
- Install the camshaft position sensors. Refer to
Camshaft Position Sensor Replacement - Bank 2 (Left Side) Exhaust ,
Camshaft Position Sensor Replacement - Bank 2 (Left Side) Intake ,
Camshaft Position Sensor Replacement - Bank 1 (Right Side) Exhaust and
Camshaft Position Sensor Replacement - Bank 1 (Right Side) Intake.
- Install the crankshaft balancer. Refer to
Crankshaft Balancer Replacement.
- Install the power steering pump. Refer to
Power Steering Pump Replacement.
- Install the water pump pulley. Refer to
Water Pump Replacement.
- Install the water outlet housing assembly. Refer to
Water Outlet Replacement.
- Install the drive belt tensioner. Refer to
Drive Belt Tensioner Replacement.
- Install the camshaft covers. Refer to
Camshaft Cover Replacement - Left Side and
Camshaft Cover Replacement - Right Side.
- Install the lower intake manifold. Refer to
Lower Intake Manifold Replacement.
- Install the frame with the engine and transmission to the body. Refer to
Engine Replacement.
Follow steps 15--53 in Engine Replacement-Installation.