Timing Chain: Installation

WARNING: This page is about a different variant/trim than selected.

- Install the timing chain guide and the bolts.
  Torque: 89 lb.in (10 Nm)
- Install the timing chain.
- Install the timing chain tensioner arm.
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NOTE: If equipped with aluminum timing chain tensioner.

NOTE: If the timing chain tensioner plunger is not pinned in the compressed position, follow the next step.
Reset the timing chain tensioner.
1. Position the timing chain tensioner in a soft-jawed vise.
2. Spread the ends of the ratchet wire clip apart.
3. Using the soft-jawed vise, compress the plunger to the reset position.
4. Install a locking pin in the 2 holes of the timing chain tensioner body to hold the plunger in place.
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NOTE: If equipped with aluminum timing chain tensioner.

NOTE: Do not remove the locking pin until the tensioner bolts are tightened.
1. Install the timing chain tensioner and the bolts.
  Torque: 89 lb.in (10 Nm)
2. Remove the locking pin.
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NOTE: If equipped with cast iron timing chain tensioner.

NOTE: If the timing chain tensioner plunger and ratchet assembly are not pinned in the compressed position, follow the next 4 steps.
NOTE: Do not compress the ratchet assembly. This will damage the ratchet assembly.

Using the edge of a vise, compress the timing chain tensioner plunger.

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Using a small pick, push back and hold the ratchet mechanism.

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While holding the ratchet mechanism, push the ratchet arm back into the tensioner housing.

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Install a locking pin into the hole in the tensioner housing to hold the ratchet assembly and the plunger in during installation.

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NOTE: If equipped with cast iron timing chain tensioner.

NOTE: Do not remove the locking pin until the tensioner bolts are tightened.

Install the timing chain tensioner and the bolts.

Torque: 89 lb.in (10 Nm)

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NOTE: If equipped with cast iron timing chain tensioner.

Remove the locking pin.

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NOTE: Use an open-ended wrench to prevent the component from turning.

Using an open-ended wrench, tighten the intake VCT unit bolt.

Torque: Stage 1: 30 lb.ft (40 Nm) | Stage 2: 60°

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NOTE: Use an open-ended wrench to prevent the component from turning.

Using an open-ended wrench, tighten the exhaust VCT unit bolt.

Torque: Stage 1: 30 lb.ft (40 Nm) | Stage 2: 60°

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Remove Special Service Tool: 303-1565 Alignment Tool, Camshaft.

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Install the engine front cover. Refer to: Engine Front Cover .
Install the high-Pressure fuel pump drive unit. Refer to: High-Pressure Fuel Pump Drive Unit .