Timing Drive Components: Installation

WARNING: This page is about a different car, the 2018 Ford F-550 Super Duty and 2018 Ford F-450 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Timing chain procedures must be followed exactly or damage to valves and pistons will result.

NOTE: If the components are to be reinstalled, they must be installed into their original locations or engine damage may occur.

NOTE: Lubricate the camshaft roller followers with clean engine oil prior to installation.

Install only the identified camshaft roller followers onto LH cylinder head.

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NOTE: Lubricate the camshaft and camshaft journals with clean engine oil prior to installation.

Install the LH camshaft.

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NOTE: Make sure that the components are installed to the position noted before removal.
- Lubricate the LH camshaft bearing caps with clean engine oil.
- Position the front camshaft bearing cap.
- Position the remaining camshaft bearing caps.
- Install the bolts loosely.
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Tighten the LH camshaft bearing cap bolts in sequence shown in 2 stages.
Torque:

Stage 1: 71 lb.in (8 Nm)

Stage 2: 45 °

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NOTE: If the components are to be reinstalled, they must be installed into their original locations or engine damage may occur.

NOTE: Lubricate the camshaft roller followers with clean engine oil prior to installation.

Install only the identified camshaft roller followers onto RH cylinder head.

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NOTE: Lubricate the camshaft and camshaft journals with clean engine oil prior to installation.

Install the RH camshaft.

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NOTE: Make sure that the components are installed to the position noted before removal.
- Lubricate the RH camshaft bearing caps with clean engine oil.
- Position the front camshaft bearing cap.
- Position the remaining camshaft bearing caps.
- Install the bolts loosely.
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Tighten the RH camshaft bearing cap bolts in sequence shown in 2 stages.
Torque:

Stage 1: 71 lb.in (8 Nm)

Stage 2: 45 °

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Install the balance shaft drive gear onto LH camshaft.

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NOTE: Do not tighten at this time.

Install the LH camshaft sprocket and a new bolt finger-tight.

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NOTE: Do not tighten at this time.

Install the RH camshaft sprocket and a new bolt finger-tight.

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NOTE: Prior to installation, inspect the tensioner-sealing bead for seal integrity. If cracks, tears, separation from the tensioner body or permanent compression of the seal bead is observed, install a new tensioner or engine damage may occur.

Using a vise, compress the tensioner plunger and install the Hydraulic Chain Tensioner Retaining Clip on the tensioner to hold the plunger in during installation. Use the General Equipment: Vise

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NOTE: There are 61 links in each timing chain.

If copper links are not visible, mark 2 links on one end and 1 link on the other end, and use as timing marks.

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1. Install the RH timing chain guide and the bolts.
  Torque: 89 lb.in (10 Nm)
2. Install the LH timing chain guide and the bolts.
  Torque: 89 lb.in (10 Nm)
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- Rotate the LH camshaft until the timing mark is approximately at 12 o'clock.
- Rotate the RH camshaft until the timing mark is approximately at 11 o'clock.
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NOTE: Rotate the crankshaft counterclockwise only. Do not rotate past the position shown or severe piston and/or valve damage can occur.

Using the special tool, position the crankshaft, then remove the special tool. Use Special Service Tool: 303-448 (T93P-6303-A) Holding Tool, Crankshaft.

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Install the crankshaft sprocket, making sure the flange faces forward.

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Install the lower end of the LH timing chain, aligning the timing marks.

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NOTE: Be sure the upper half of the timing chain is below the tensioner guide dowel.

Position the LH timing chain on the camshaft sprocket with the 2 chain (marked) links and the timing marks aligned.

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NOTE: The LH timing chain tensioner arm has a bump near the dowel hole for identification.

Position the LH timing chain tensioner arm on the dowel pin and install the LH timing chain tensioner and the bolts.

Torque: 18 lb.ft (25 Nm)

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NOTE: Be sure the chain link and crankshaft sprocket timing marks are aligned.

NOTE: The lower half of the timing chain must be positioned above the dowel.

Install the RH (outer) timing chain on the crankshaft sprocket.

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Position the timing chain on the camshaft sprocket. Make sure the 2 copper-colored (marked) links align with the camshaft sprocket timing mark.

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Position the RH timing chain tensioner arm on the dowel pin and install the RH timing chain tensioner and the bolts.
Torque: 18 lb.ft (25 Nm)

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Remove the Hydraulic Chain Tensioner Retaining Clips from the RH and LH timing chain tensioners.

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Check for correct alignment of all timing marks.

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Install the crankshaft sensor ring on the crankshaft.

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NOTE: Only use hand tools to tighten the camshaft sprocket bolt or damage may occur to the camshaft or camshaft sprocket.

Tighten the RH camshaft sprocket bolt in 2 stages.

Torque:

Stage 1: 30 lb.ft (40 Nm)

Stage 2: 90 °

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NOTE: Only use hand tools to tighten the camshaft sprocket bolt or damage may occur to the camshaft or camshaft sprocket.

Tighten the LH camshaft sprocket bolt in 2 stages.

Torque:

Stage 1: 30 lb.ft (40 Nm)

Stage 2: 90 °

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Rotate the crankshaft clockwise and position the crankshaft keyway at the 6 o'clock position.

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Remove the bolts and the balance shaft bearing support and camshaft bearing cap assembly.

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NOTE: If the components are to be reinstalled, they must be installed into their original locations or damage to the engine may occur.

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 follower with clean engine oil prior to installation.

Using the special tool, install the roller follower. Use Special Service Tool: 303-1039 Compressor, Valve Spring.

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- Install the balance shaft bearing support and camshaft bearing cap assembly.
- Tighten the bolts in 2 stages.
  Torque:
  
  Stage 1: 71 lb.in (8 Nm)
  
  Stage 2: 45 °
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NOTE: If the components are to be reinstalled, they must be installed into their original locations or damage to the engine may occur.

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 with clean engine oil prior to installation.

Install all of the remaining camshaft roller followers. Use Special Service Tool: 303-1039 Compressor, Valve Spring.

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Rotate the crankshaft counterclockwise and position the crankshaft keyway at the 11 o'clock position.

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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)
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Install engine front cover. Refer to: Engine Front Cover .