Timing Drive Components: Removal

CAUTION: 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 may cause engine failure.

Remove the engine front cover. For additional information, refer to Engine Front Cover .
Rotate the crankshaft clockwise and align the timing marks on the variable camshaft timing (VCT) assemblies as shown.

Fig 1: Aligning Timing Marks On Variable Camshaft Timing (VCT) Assemblies

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NOTE: The special tool will hold the camshafts in the top dead center (TDC) position.

Install the special tool onto the flats of the LH camshafts.

Fig 2: Installing Special Tool (303-1248) Onto Flats Of LH Camshafts

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NOTE: The special tool will hold the camshafts in the TDC position.

Install the special tool onto the flats of the RH camshafts.

Fig 3: Installing Special Tool (303-1248) Onto Flats Of RH Camshafts

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Remove the 3 bolts and the RH VCT housing.

Fig 4: Locating RH VCT Housing

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Remove the 3 bolts and the LH VCT housing.

Fig 5: Locating LH VCT Housing

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Remove and discard the VCT housing seals.

Fig 6: Locating VCT Housing Seals

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Remove the 2 bolts and the primary timing chain tensioner.

Fig 7: Locating Primary Timing Chain Tensioner Bolts

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Remove the primary timing chain tensioner arm.

Fig 8: Locating Primary Timing Chain Tensioner Arm

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Remove the 2 bolts and the lower LH primary timing chain guide.

Fig 9: Locating Lower LH Primary Timing Chain Guide Bolts

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Remove the primary timing chain.

Fig 10: Locating Primary Timing Chain

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Remove the crankshaft timing chain sprocket.

Fig 11: Locating Crankshaft Timing Chain Sprocket

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Remove the 2 bolts and the upper LH primary timing chain guide.

Fig 12: Locating Upper LH Primary Timing Chain Guide Bolts

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Compress the LH secondary timing chain tensioner and install a suitable lock pin to retain the tensioner in the collapsed position.

Fig 13: Compressing LH Secondary Timing Chain Tensioner & Installing Suitable Lock Pin To Retain Tensioner In Collapsed Position

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NOTE: The VCT bolt and the exhaust camshaft bolt must be discarded and new ones installed. However, the exhaust camshaft washer is reusable.

Remove and discard the LH VCT assembly bolt and the LH exhaust camshaft sprocket bolt.
- Remove the LH VCT assembly, secondary timing chain and the LH exhaust camshaft sprocket as an assembly.

Fig 14: Locating LH VCT Assembly Bolt & LH Exhaust Camshaft Sprocket Bolt

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NOTE: It is necessary to tilt the special tool toward the rear of the engine to access the rearmost secondary timing chain tensioner bolt.

Remove the 2 bolts and the LH secondary timing chain tensioner.

Fig 15: Locating LH Secondary Timing Chain Tensioner Bolts

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Compress the RH secondary timing chain tensioner and install a suitable lock pin to retain the tensioner in the collapsed position.

Fig 16: Compressing RH Secondary Timing Chain Tensioner & Installing Suitable Lock Pin To Retain Tensioner In Collapsed Position

Courtesy of FORD MOTOR CO.

NOTE: The VCT bolt and the exhaust camshaft bolt must be discarded and new ones installed. However, the exhaust camshaft washer is reusable.

Remove and discard the RH VCT assembly bolt and the RH exhaust camshaft sprocket bolt.
- Remove the RH VCT assembly, secondary timing chain and the RH exhaust camshaft sprocket as an assembly.

Fig 17: Locating RH VCT Assembly Bolt & RH Exhaust Camshaft Sprocket Bolt

Courtesy of FORD MOTOR CO.

NOTE: It is necessary to tilt the special tool toward the rear of the engine to access the rearmost secondary timing chain tensioner bolt.

Remove the 2 bolts and the RH secondary timing chain tensioner.

Fig 18: Locating RH Secondary Timing Chain Tensioner Bolts

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Remove the 2 bolts and the RH primary timing chain guide.

Fig 19: Locating RH Primary Timing Chain Guide Lower Bolt

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