Timing Chain Tensioner: Removal
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.
For information on Ford Color Coded Illustrations refer to OEM Color Coding
- Remove the engine front cover. Refer to: Engine Front Cover .
- Remove the crankshaft sensor ring from the crankshaft.
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NOTE: The timing chain must remain in its original position on the camshaft sprocket using the scribed marks, or damage to valves and pistons will result.
Scribe a location mark on the RH timing chain and the camshaft sprocket assembly.
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NOTE: The timing chain must remain in its original position on the crankshaft sprocket using the scribed marks, or damage to valves and pistons will result.
Scribe a location mark on the RH timing chain and the crankshaft sprocket assembly.
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NOTE: If one or both of the tensioner mounting bolts are loosened or removed, the tensioner-sealing bead must be inspected 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.
Remove the bolts, the RH timing chain tensioner and the tensioner arm.
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NOTE: The next 4 steps are only required if the LH timing chain tensioner is being replaced.
Remove the RH timing chain from the camshaft and crankshaft sprocket.
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NOTE: The timing chain must remain in its original position on the camshaft sprocket using the scribed marks, or damage to valves and pistons will result.
Scribe a location mark on the LH timing chain and the camshaft sprocket assembly.
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NOTE: The timing chain must remain in its original position on the crankshaft sprocket using the scribed marks, or damage to valves and pistons will result.
Scribe a location mark on the LH timing chain and the crankshaft sprocket assembly.
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NOTE: If one or both of the tensioner mounting bolts are loosened or removed, the tensioner-sealing bead must be inspected 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.
Remove the bolts, the LH timing chain tensioner and the tensioner arm.