Timing Drive Components - Camshaft Drive Cassette, LH

NOTE: Ford does not provide timing marks or additional information for servicing of the timing chains/sprockets without the special tools listed in this procedure.






Timing Drive Components - Camshaft Drive Cassette, LH

Removal

1. Remove the engine front cover.

2. Remove all of the camshaft roller followers.

3. NOTE: You must retime the LH and RH camshafts when either camshaft is disturbed.

Turn the crankshaft clockwise to position the number one cylinder at TDC.

4. Remove the LH camshaft chain tensioner.






5. Remove the LH camshaft sprocket bolt.

^ Install the special tools to hold the camshaft sprocket. Loosen but do not remove the bolt.






6. Remove the tool and bolt.






7. Using the special tool, hold the crankshaft from turning and loosen the jackshaft sprocket bolt.






8. Remove the primary chain tensioner.






9. Remove the primary chain and sprocket.






10. Remove the camshaft drive cassette.
1. Remove the chain guide bolts.
2. Remove the sprockets.
3. Lift the chain and guide up and out of the cylinder head.






11. NOTE: Mark the position of the camshaft bearing caps so they can be installed in their original positions.

Remove the bolts in the sequence shown and remove the camshaft bearing caps and the oil supply tube.






12. Remove the camshaft.






13. Remove the LH chain guide by forcefully pulling up with a scissors motion.






14. Clean all surfaces. Clean all foreign material from the engine.






Installation

1. Install the chain guide through the cylinder head.






2. NOTE: Lubricate the parts with clean engine oil before installation. Install the camshaft.






3. NOTE: The camshaft bearing caps must be installed in their original positions.

NOTE: After installing the bolts check the camshaft for free rotation.

Position the oil supply tube the camshaft bearing caps and the bolts. Tighten the bolts in two stages in the sequence shown.

^ Stage 1: Tighten the bolts to 6 Nm (53 lb-in).
^ Stage 2: Tighten the bolts to 16 Nm (12 lb-ft).






4. Install the chain.






5. Install the chain guide bolts.






6. NOTE: The camshaft chain sprockets must be oriented correctly. Install the lower chain sprocket and the camshaft sprocket.






7. Install~ but do not tighten the camshaft sprocket bolt.






8. Install the primary chain and gear.






9. Install the primary drive chain tensioner.






10. Using the special tool hold the crankshaft from turning and tighten the jackshaft sprocket bolt in two stages.

^ Stage 1: Tighten the bolt to 45 Nm (33 lb-ft).
^ Stage 2: Tighten the bolt an additional 90 degrees.






11. Install the engine front cover.
12. Time the engine.
13. Install the camshaft roller followers.