Installation Procedure

WARNING: This page is about a different car, the 2004 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Using Wrench To Hold/Rotate Camshaft

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Use a wrench in order to align the camshaft timing marks.
Be sure to place the wrench on the hexagonal portion of the camshafts.

Fig 2: Camshafts Aligned With Timing Marks

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Turn the camshafts in order to align the timing marks.

Fig 3: Crankshaft Keyway

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Temporarily install the crankshaft bolt.
Turn the crankshaft until the crankshaft keyway (1) faces upward.

Fig 4: Crankshaft Timing Sprocket And Timing Chain

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Install the following components:
- The timing chain (2)
  Install the timing chain on the crankshaft timing sprocket with the yellow color link aligned with the mark on the crankshaft timing sprocket.
- The crankshaft timing sprocket

Fig 5: Timing Chain Shoe Bolts

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NOTE: Refer to Fastener Notice in Cautions and Notices.

Install the timing chain shoe. Secure the timing chain shoe using 2 bolts (1, 2).
Tighten: Tighten the timing chain shoe bolts to 10 N.m (89 lb in).

Fig 6: Timing Chain And Camshafts Timing Sprockets

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Install the timing chain (1) onto the camshafts timing sprockets (3).
Ensure that the timing chain links (yellow timing chain links) are aligned with the timing marks.

Fig 7: Timing Chain Dampener Bolt, Dampener And Shoe Bolts

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Install the timing chain dampener. Secure the timing chain dampener using 1 bolt (1).
Tighten: Tighten the timing chain dampener bolt to 18 N.m (14 lb ft).

Fig 8: Crankshaft Sensor Reluctor

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Install the crankshaft sensor reluctor (1) onto the crankshaft. Insure that the F on the reluctor is facing outward.
Unlock the intake camshaft actuator locking pin. Refer to Camshaft Actuator Locking Pin Adjustment .
Apply a continuous bead of GM P/N 12346240 (Canadian P/N 10953493) or an equivalent to the timing chain cover mating surface.

Fig 9: Timing Chain Cover Components

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Install the timing chain cover.
Use the following fasteners in order to secure the cover:
- Sixteen bolts (1,3,4,5)
- Two nuts (2)
  Tighten:
  - Tighten the timing chain cover bolts (25 mm (0.98 in) head) to 13 N.m (10 lb in).
  - Tighten the timing chain cover bolts (35 mm (1.38 in) head) to 11 N.m (8 lb ft).
  - Tighten the timing chain cover bolts (20 mm (0.79 in) head) to 9 N.m (80 lb in).
  - Tighten the timing chain cover bolts (45 mm (1.77 in) head) to 19 N.m (14 lb ft).
  - Tighten the timing chain cover nuts to 10 N.m (89 lb in).

Fig 10: Ratchet Pawl, Plunger, Hook And Pin

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Use the following steps in order to install the timing chain tensioner:
1. Fully depress the plunger (4).
2. Apply the hook (2) to the pin (3).
3. Install the timing chain tensioner.

Fig 11: Timing Chain Tensioner Bolts

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Install the timing chain tensioner. Secure the timing chain tensioner using 2 bolts (1).
Tighten: Tighten the timing chain tensioner bolts to 10 N.m (89 lb in).

Fig 12: Lower Drive Belt Tensioner Bolt

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Install the right side engine mounting bracket. Secure the bracket using 3 bolts.
Tighten: Tighten the engine mounting bracket bolts to 54 N.m (40 lb ft).
Install the drive belt tensioner. Secure the tensioner using 1 bolt and one nut.
Tighten:
- Tighten the bolt to 69 N.m (51 lb ft).
- Tighten the nut to 29 N.m (21 lb ft).
Raise the vehicle. Support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
Install the crankshaft position sensor. Secure the sensor using 1 bolt (5).
Tighten: Tighten the crankshaft position sensor bolt to 12 N.m (106 lb in).

Fig 13: Installing Crankshaft Pulley

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Install the crankshaft pulley. Secure the crankshaft pulley using 1 bolt.
Tighten: Tighten the crankshaft pulley to 142 N.m (105 lb ft).

Fig 14: Power Steering Pump Nuts And Bolts

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Install the power steering pump.
Use the following fasteners in order to secure the power steering pump:
- Two bolts (1)
- Two nuts
  Tighten: Tighten the power steering pump bolts to 37 N.m (27 lb ft).
Install the right engine splash shield. Refer to Splash Shield Replacement - Engine - Left in Body Front End.
Lower the vehicle.
Connect the power steering oil pressure switch connector.

Fig 15: Rotating Crankshaft Clockwise 1 Revolution

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Rotate the crankshaft clockwise 1 revolution. Ensure that the plunger on the timing chain tensioner has released.
Complete the following steps if the plunger does not release:
- Use a screwdriver or your finger in order to press the timing chain dampener into the timing chain tensioner.
- Release the hook from the pin.
- Verify proper timing chain alignment after the plunger has released.
Install the cylinder head cover.
Install the engine mount. Refer to Engine Mount Replacement .
Remove the engine support fixture.
Install the generator. Refer to Generator Replacement in Engine Electrical.
Fill the cooling system. Refer to Draining and Filling Cooling System in Engine Cooling.
Connect the negative battery cable.
Tighten: Tighten the battery cable bolt to 15 N.m (11 lb ft).