Camshaft LH: Installation

WARNING: This page is about a different car, the 2019 Ford F-550 Super Duty and 2019 Ford F-450 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.

Lubricate the camshaft and camshaft journals with clean engine oil.

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NOTE: Do not remove the Timing Chain Locking Tool at any time during assembly. If the Timing Chain Locking Tool is removed or out of placement, the engine front cover must be removed and the engine must be retimed.

NOTE: Do not allow the roller followers to move out of position when installing the camshaft.

Install the camshaft into the camshaft sprocket assembly and onto the head. Install a new camshaft sprocket bolt finger-tight.

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NOTE: Do not remove the Timing Chain Locking Tool at any time during assembly. If the Timing Chain Locking Tool is removed or out of placement, the engine front cover must be removed and the engine must be retimed.

NOTE: The timing chain must be installed in its original position onto the camshaft sprocket using the scribed marks, or damage to valves and pistons will result.

Verify the camshaft sprocket and timing chain scribe marks are still in alignment.

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NOTE: Timing drive removed from graphic for clarity.

NOTE: Make sure that the components are installed to the position noted before removal.
1. Lubricate the LH camshaft bearing caps with clean engine oil.
2. Position the front camshaft bearing cap.
3. Position the remaining camshaft bearing caps.
4. Install the bolts loosely.
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NOTE: Timing drive removed from graphic for clarity.

Tighten the LH camshaft bearing cap bolts in 2 stages.

Torque: Stage 1: 71 lb.in (8 Nm) | Stage 2: 45 deg.

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Remove the special tool. Remove Suggested Tool: 303-1175 Locking Tool, Timing Chain.

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Rotate the crankshaft a half turn counterclockwise and position the crankshaft pulley timing mark indentation at the 1 o'clock position.

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The No. 6 cylinder camshaft exhaust lobe must be coming up on the exhaust stroke. Verify by noting the position of the 2 intake camshaft lobes and the exhaust lobe on the No. 6 cylinder.

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NOTE: Do not allow the valve keepers to fall off the valve or the valve may drop into the cylinder. If a valve drops into the cylinder, the cylinder head must be removed.

NOTE: It may be necessary to push the valve down while compressing the spring.

NOTE: Lubricate the camshaft roller followers prior to installation.

Using the special tool, install the originally removed camshaft roller followers. Use Special Service Tool: 303-1039 Compressor, Valve Spring.

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NOTE: Only use hand tools to install the camshaft sprocket assembly or damage may occur to the camshaft or camshaft sprocket.

NOTE: Damage to the camshaft sprocket assembly will occur if mishandled or used as a lifting or leveraging device.

Tighten the camshaft sprocket bolt.

Torque: Stage 1: 30 lb.ft (40 Nm) | Stage 2: 90 deg.

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NOTE: Lubricate the balance shaft journals with clean engine oil.

Install the balance shaft with the timing marks on the balance shaft gear (1) and the camshaft gear (2) aligned.

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NOTE: The balance shaft bearing caps must be installed into their original locations or engine damage may occur.
- Install the balance shaft bearing caps and install the bolts finger-tight.
- Tighten the bolts in sequence shown.
  Torque: 89 lb.in (10 Nm)
Fig 1: Balance Shaft Bearing Caps Component Locations W/ Bolt Tightening Sequence
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Install the LH valve cover. Refer to: Valve Cover LH .