Removal & Installation
2001-05 4.6L Engine; 2001-03 F-150 5.4L Engine; 2004 F-150 Heritage Edition 5.4L Engine; 2004 F-250/350
- Before servicing the vehicle, refer to the Precautions Section.
- Raise and safely support the vehicle.
- Disconnect the battery ground cable.
- Drain the engine oil.
- Remove the cooling fan.
- Remove the right valve cover.
Remove the left valve cover.
Rotate the tensioner clockwise and remove the drive belt. Using special tool 303-D055, remove the bolt and washer and discard the bolt.
WARNINGThis bolt is torque-to-yield and cannot be reused.
Using special tool 303-099, remove the crankshaft pulley.
- Using special tool 303-107, remove the crankshaft front seal.
- Remove the 4 coolant pump pulley bolts and the coolant pump pulley.
Remove the accessory drive belt idler pulley bolt and the accessory drive belt idler pulley.
- Using special tool 211-016, remove the power steering pump pulley.
- Disconnect the power steering pressure tube. Drain the power steering fluid into a suitable container.
- Remove the nut and position aside the power steering pressure tube.
- Remove the power steering pump bolts and position the power steering pump assembly aside.
- Disconnect the camshaft position (CMP) sensor electrical connector.
- Remove the CMP sensor bolt and the CMP sensor.
- Remove the left radio interference capacitor nut and position the left radio interference capacitor aside.
- Remove the nut and the upper radiator hose bracket.
- Remove the right radio interference capacitor nut and position the right radio interference capacitor aside.
- Disconnect the crankshaft position (CKP) sensor electrical connector.
- Remove the 4 oil pan bolts.
- Remove the nut and the A/C manifold and tube assembly support bracket.
- If equipped, remove the nut and the transmission cooler tube support bracket.
Remove the bolts and the studs.
WARNINGDo not use metal scrapers, wire brushes, power abrasive discs or other abrasive means to clean the sealing surfaces. These tools cause scratches and gouges which make leak paths. Use a plastic scraping tool to remove all traces of old sealant.
- Remove the engine front cover from the front cover-to-cylinder block dowel.
- Remove the engine front cover gaskets.
- Clean the mating surfaces with silicone gasket remover and metal surface prep. Follow the directions on the packaging.
Inspect the mating surfaces.
- Remove the CKP sensor bolt and the CKP sensor.
Remove the crankshaft sensor ring from the crankshaft.
Rotate the crankshaft until the timing mark on the right camshaft sprocket is approximately at the 11 o'clock position and the timing mark on the left camshaft sprocket is approximately at the 12 o'clock position.
Install the special tools on the camshaft as shown.
WARNINGIf one or both of the tensioner mounting bolts are loosened or removed, the tensioner-sealing bead must be inspected for seat integrity. If cracks, tears or separation from the tensioner body or permanent compression of the seal bead is observed, install a new tensioner.
Remove the bolts (1). Remove the timing chain tensioners (2). Remove the timing chain tensioner arms (3).
Remove the timing chains and crankshaft sprocket.
- Remove the bolts (1). Remove the left timing chain guide (2).
- Remove the bolts (3). Remove the right timing chain guide (4).
Timing chain procedures must be followed exactly or damage to valves and pistons will result.
Prior to installation, inspect the tensioner-sealing bead for seal integrity. If cracks, tears, separation from