Removal and Installation

1. Remove the engine front cover. For additional information, refer to ENGINE FRONT COVER  in this section.
2. Remove the components in the order indicated in the following illustration and table. To remove individual components, only carry out the listed steps.
   TIMING DRIVE COMPONENTS STEPS
   
   

   Component	Steps
   Timing gears, chain and tensioners	1-20
   Variable camshaft timing (VCT) bush carriers	1-9
   VCT units, exhaust camshaft sprockets, secondary timing chains and tensioners, and crankshaft sprocket	1-37

3. Illustration 1 of 4. Remove the components in the order indicated in the following illustration and table. See Fig 1.
   Fig 1: Removing VCT Bush Carrier With Bolts And Nut

   Courtesy of FORD MOTOR CO.
4. Illustration 2 of 4. Remove the components in the order indicated in the following illustration and table. See Fig 2.
   Fig 2: Removing RH Timing Chain Tensioner Arm With Bolts

   Courtesy of FORD MOTOR CO.
5. Illustration 3 of 4. Remove the components in the order indicated in the following illustration and table. See Fig 3.
   Fig 3: Removing Timing Chain

   Courtesy of FORD MOTOR CO.
6. Illustration 4 of 4. Remove the components in the order indicated in the following illustration and table. See Fig 4 and Fig 5.
   Fig 4: Removing Timing Drive Components (1 Of 2)

   Courtesy of FORD MOTOR CO.
   Fig 5: Removing Timing Drive Components (2 Of 2)

   Courtesy of FORD MOTOR CO.
7. To install, reverse the removal procedure.

Items 7-20: Timing Drive Components Removal Note 

1. Remove the crankshaft position (CKP) sensor and the torque converter cover.
   Fig 6: Removing Crankshaft Position (CKP) Sensor And Torque Converter Cover

   Courtesy of FORD MOTOR CO.
NOTE: There is one window on the ignition pulse wheel that is unique to accept the special tool.
Fig 7: Installing Special Tool
Courtesy of FORD MOTOR CO.
2. Install the special tool.
   • Turn the crankshaft to 45 degrees ATDC. The crankshaft keyway will be in the 6 o'clock position.
   • Install the special tool.
3. Make sure the flats of the camshaft are facing upward. If not, repeat Step  2.
   Fig 8: Locating Making Sure Flats Of Camshaft Are Facing Upward

   Courtesy of FORD MOTOR CO.
CAUTION: The flats on the camshaft must completely contact the special service tool or damage to the camshafts can occur. Slowly draw the special tool down evenly until it is fully seated on the camshaft flats.
Fig 9: Installing Special Tool On RH Cylinder Head
Courtesy of FORD MOTOR CO.
4. Install the special tool on the RH cylinder head.
CAUTION: An open-end wrench must be used on the flats of the camshaft or damage to the camshaft will occur.
Fig 10: Removing RH Exhaust Camshaft Sprocket Bolt
Courtesy of FORD MOTOR CO.
5. Remove and discard the RH exhaust camshaft sprocket bolt.
CAUTION: An open-end wrench must be used on the flats of the camshaft or damage to the camshaft will occur.
Fig 11: Removing RH VCT Unit Bolt
Courtesy of FORD MOTOR CO.
6. Remove and discard the RH VCT unit bolt.
7. Remove the RH timing chain tensioner.
   1. Push the lever down and install a drill rod to lock the piston.
   2. Remove the bolts and the tensioner.
   Fig 12: Removing RH Timing Chain Tensioner

   Courtesy of FORD MOTOR CO.
8. Remove the RH tensioner arm.
   Fig 13: Removing RH Tensioner Arm

   Courtesy of FORD MOTOR CO.
9. Remove the RH timing chain guide.
   Fig 14: Removing RH Timing Chain Guide

   Courtesy of FORD MOTOR CO.
10. Remove the RH primary timing chain.
    Fig 15: Removing RH Primary Timing Chain

    Courtesy of FORD MOTOR CO.
11. Remove the special tool from the RH cylinder head.
    Fig 16: Removing Special Tool From RH Cylinder Head

    Courtesy of FORD MOTOR CO.
CAUTION: The flats on the camshaft must completely contact the special service tool or damage to the camshafts can occur. Slowly draw the special tool down evenly until it is fully seated on the camshaft flats.
Fig 17: Installing Special Tool On LH Head
Courtesy of FORD MOTOR CO.
12. Install the special tool on the LH head.
CAUTION: An open-end wrench must be used on the flats of the camshaft or damage to the camshaft can occur.
Fig 18: Removing LH VCT Unit Bolt And Exhaust Camshaft Sprocket Bolt
Courtesy of FORD MOTOR CO.
13. Remove and discard the LH VCT unit bolt and the exhaust camshaft sprocket bolt.
14. Remove the LH timing chain tensioner.
    1. Push the lever down and install a drill rod to lock the piston.
    2. Remove the bolts and the tensioner.
    Fig 19: Removing LH Timing Chain Tensioner

    Courtesy of FORD MOTOR CO.
15. Remove the LH tensioner arm.
    Fig 20: Removing LH Tensioner Arm

    Courtesy of FORD MOTOR CO.
16. Remove the LH timing chain guide.
    Fig 21: Removing LH Timing Chain Guide

    Courtesy of FORD MOTOR CO.
17. Remove the LH primary timing chain.
    Fig 22: Removing LH Primary Timing Chain

    Courtesy of FORD MOTOR CO.

Items 21-25, and 27: RH Variable Camshaft Timing (VCT) Unit, Exhaust Camshaft Sprocket and Secondary Timing Chain Removal Note 

1. Collapse the RH secondary timing chain tensioner and install a pin to lock the piston.
   Fig 23: Collapsing RH Secondary Timing Chain Tensioner And Installing Pin To Lock Piston

   Courtesy of FORD MOTOR CO.
2. Remove the RH VCT unit, exhaust camshaft sprocket and timing chain as an assembly.
   Fig 24: Removing RH VCT Unit, Exhaust Camshaft Sprocket And Timing Chain Assembly

   Courtesy of FORD MOTOR CO.

Items 28-32, and 34: LH Variable Camshaft Timing (VCT) Unit, Exhaust Camshaft Sprocket and Secondary Timing Chain Removal Note 

1. Collapse the LH secondary timing chain tensioner and install a pin to lock the piston.
   Fig 25: Collapsing LH Secondary Timing Chain Tensioner And Installing Pin To Lock Piston

   Courtesy of FORD MOTOR CO.
2. Remove the LH VCT unit, exhaust camshaft sprocket and timing chain as an assembly.
   Fig 26: Removing LH VCT unit, Exhaust Camshaft Sprocket And Timing Chain Assembly

   Courtesy of FORD MOTOR CO.

Items 28-32, and 34: LH Variable Camshaft Timing (VCT) Unit, Exhaust Camshaft Sprocket and Secondary Timing Chain Installation Note 

1. Install the LH VCT unit, exhaust camshaft sprocket and timing chain as an assembly.
   Fig 27: Installing LH VCT unit, Exhaust Camshaft Sprocket And Timing Chain Assembly

   Courtesy of FORD MOTOR CO.
2. Using new bolts, install the LH VCT unit and exhaust camshaft sprocket bolts finger-tight.
   Fig 28: Install LH VCT Unit And Exhaust Camshaft Sprocket Bolts

   Courtesy of FORD MOTOR CO.
3. Remove the locking pin from the LH secondary timing chain tensioner.
   Fig 29: Removing Locking Pin From LH Secondary Timing Chain Tensioner

   Courtesy of FORD MOTOR CO.

Items 21-25, and 27: RH Variable Camshaft Timing (VCT) Unit, Exhaust Camshaft Sprocket and Secondary Timing Chain Installation Note 

1. Install the RH VCT unit, exhaust camshaft sprocket and timing chain as an assembly.
   Fig 30: Installing RH VCT Unit, Exhaust Camshaft Sprocket And Timing Chain Assembly

   Courtesy of FORD MOTOR CO.
2. Using new bolts, install the RH VCT unit and exhaust camshaft sprocket bolts finger-tight.
   Fig 31: Installing RH VCT Unit And Exhaust Camshaft Sprocket Bolts

   Courtesy of FORD MOTOR CO.
3. Remove the locking pin from the RH secondary timing chain tensioner.
   Fig 32: Removing Locking Pin From RH Secondary Timing Chain Tensioner

   Courtesy of FORD MOTOR CO.

Items 7-20: Timing Drive Components Installation Note 

1. Reset the timing chain tensioners.
   1. Hold the lever toward the tensioner piston.
   2. Using finger pressure, compress the tensioner until it is completely collapsed.
   3. Push the lever down and install a drill rod to lock the piston.
   Fig 33: Resetting Timing Chain Tensioners

   Courtesy of FORD MOTOR CO.
CAUTION: The camshaft holding tool should still be installed on the LH cylinder head.
CAUTION: The flats on the camshaft must completely contact the special service tool or damage to the camshafts can occur. Slowly draw the special tool down evenly until it is fully seated on the camshaft flats.
Fig 34: Positioning Crankshaft Gear In Timing Chain
Courtesy of FORD MOTOR CO.
2. Position the LH timing chain and crankshaft gear.
   • Position the timing chain over the LH intake camshaft sprocket.
   • Position the crankshaft gear in the timing chain.
3. Install the LH timing chain guide.
   Fig 35: Installing LH Timing Chain Guide

   Courtesy of FORD MOTOR CO.
4. Install the LH timing chain tensioner arm.
   Fig 36: Installing LH Timing Chain Tensioner Arm

   Courtesy of FORD MOTOR CO.
5. Install the LH timing chain tensioner.
   1. Install the timing chain tensioner and bolts.
   2. Remove the drill rod.
   Fig 37: Installing LH Timing Chain Tensioner

   Courtesy of FORD MOTOR CO.
CAUTION: The exhaust camshaft sprocket bolt must be fully tightened before tightening the intake camshaft sprocket bolt.
CAUTION: Using the special tool, apply 10 N.m (89 lb-in) counterclockwise to the LH exhaust camshaft sprocket.
Fig 38: Tightening LH Exhaust Camshaft Sprocket And VCT Unit Bolts
Courtesy of FORD MOTOR CO.
6. Tighten the LH exhaust camshaft sprocket and VCT unit bolts in two stages:
   • Stage 1: Tighten to 20 N.m (15 lb-ft).
   • Stage 2: Tighten an additional 90 degrees.
7. Remove the special tool.
   Fig 39: Removing Special Tool

   Courtesy of FORD MOTOR CO.
CAUTION: The flats on the camshaft must completely contact the special service tool or damage to the camshafts can occur. Slowly draw the special tool down evenly until it is fully seated on the camshaft flats.
Fig 40: Installing Special Tool On RH Cylinder Head
Courtesy of FORD MOTOR CO.
8. Install the special tool on the RH cylinder head.
9. Position the RH timing chain over the RH intake camshaft sprocket and over the crankshaft gear.
   Fig 41: Positioning RH Timing Chain Over RH Intake Camshaft Sprocket And Over Crankshaft Gear

   Courtesy of FORD MOTOR CO.
10. Install the RH timing chain guide.
    Fig 42: Installing RH Timing Chain Guide

    Courtesy of FORD MOTOR CO.
11. Install the RH timing chain tensioner arm.
    Fig 43: Installing RH Timing Chain Tensioner Arm

    Courtesy of FORD MOTOR CO.
12. Install the RH timing chain tensioner.
    1. Install the timing chain tensioner and bolts.
    2. Remove the drill rod.
    Fig 44: Installing RH Timing Chain Tensioner

    Courtesy of FORD MOTOR CO.
CAUTION: The exhaust camshaft sprocket bolt must be fully tightened before tightening the intake camshaft sprocket bolt.
CAUTION: Using the special tool, apply 10 N.m (89 lb-in) counterclockwise to the RH exhaust camshaft sprocket.
Fig 45: Tightening RH Exhaust Camshaft Sprocket And VCT Unit Bolts
Courtesy of FORD MOTOR CO.
13. Tighten the RH exhaust camshaft sprocket and VCT unit bolts in two stages:
    • Stage 1: Tighten to 20 N.m (15 lb-ft).
    • Stage 2: Tighten an additional 90 degrees.
14. Remove the special tool.
    Fig 46: Removing Special Tool RH Cylinder Head

    Courtesy of FORD MOTOR CO.
15. Remove the special tool.
    Fig 47: Removing Special Tool

    Courtesy of FORD MOTOR CO.
16. Install the CKP sensor and the torque converter cover.
    Fig 48: Installing CKP Sensor And Torque Converter Cover

    Courtesy of FORD MOTOR CO.