Timing Chain: Removal

WARNING: This page is about a different car, the 2020 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: During engine repair procedures, cleanliness is extremely important. Any foreign material, including any material created while cleaning gasket surfaces, that enters the oil passages, coolant passages or the oil pan, can cause engine failure.

NOTE: In order to remove the LH timing chain, the RH timing chain must be removed first.

RH and LH timing chains

Remove the following items:
1. Engine front cover. Refer to: Engine Front Cover .
2. Spark plugs. Refer to: Spark Plugs .
Using the special tool, rotate the crankshaft clockwise until the keyway is at the 7:30 position. Use Special Service Tool: 303-448 (T93P-6303-A) Holding Tool, Crankshaft.

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Verify the timing mark on the RHVCT unit is on top, if not, rotate the crankshaft clockwise one complete revolution so the keyway is at the 7:30 position.

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Remove the bolts and the RH primary timing chain tensioner.

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NOTE: It may be necessary to rotate the crankshaft slightly to provide enough slack in the chain to remove the RH timing chain tensioner arm. Return the crankshaft keyway to the 7:30 position after removing the RH timing chain tensioner arm.

Remove the RH timing chain tensioner arm.

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NOTE: It may be necessary to rotate the crankshaft slightly to provide enough slack in the chain to remove the RH timing chain guide. Return the crankshaft keyway to the 7:30 position after removing the RH timing chain guide.

Remove the bolt and the RH timing chain guide.

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Remove the RH timing chain.

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LH timing chain
Using the special tool, rotate the crankshaft clockwise one complete revolution. Use Special Service Tool: 303-448 (T93P-6303-A) Holding Tool, Crankshaft.

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Using the special tool, rotate the crankshaft clockwise until the keyway is at the 3:30 position. Use Special Service Tool: 303-448 (T93P-6303-A) Holding Tool, Crankshaft.

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Remove the bolts and the LH primary timing chain tensioner.

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NOTE: It may be necessary to rotate the crankshaft slightly to provide enough slack in the chain to remove the LH timing chain tensioner arm. Return the crankshaft keyway to the 3:30 position after removing the LH timing chain tensioner arm.

Remove the LH timing chain tensioner arm.

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NOTE: It may be necessary to rotate the crankshaft slightly to provide enough slack in the chain to remove the LH timing chain guide. Return the crankshaft keyway to the 3:30 position after removing the LH timing chain guide.

Remove the bolt and the LH timing chain guide.

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Remove the LH timing chain.

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