Engine Mechanical: Mechanical: Engine: Installation: Camshaft
Special Tools
| Illustration | Tool Name | Tool Number |
|---|---|---|
| Alignment Pins | 307-399 | |
| Camshaft Alignment Tool | 303-1248 | |
| Handle | 205-153 (T80T-4000-W) | |
| Installer, Crankshaft Front Seal | 303-1251 | |
| Installer, Crankshaft Vibration Damper | 303-102 (T74P-6316-B) | |
| Installer, Front Cover Oil Seal | 303-335 | |
| Installer, Seal | 303-1247/2 | |
| Powertrain Lift | 014-00765 | |
| Strap Wrench | 303-D055 (D85L-6000-A) |
Material
| Item | Specification |
|---|---|
| Motorcraft Metal Surface Prep ZC-31 |
- |
| Motorcraft SAE 5W-20 Premium Synthetic Blend Motor Oil XO-5W20-QSP (US); Motorcraft SAE 5W-20 Super Premium Motor Oil CXO-5W20-LSP12 (Canada); or equivalent |
WSS-M2C930-A |
| Silicone Gasket Remover ZC-30 |
- |
WARNING:
Do not smoke or carry lighted tobacco or open flame of any type when working on or near any fuel-related components. Highly flammable mixtures are always present and may be ignited. Failure to follow these instructions may result in personal injury.
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, can cause engine failure.
All camshafts
- Rotate the crankshaft counterclockwise until the crankshaft dowel pin is in the 9 o'clock position.
- Position the camshafts onto the LH cylinder head in the neutral position as shown.
- Install the 8 camshaft caps and the 16 bolts.
- Tighten in the sequence shown to 10 Nm (89 lb-in).
- Position the camshafts onto the RH cylinder head in the neutral position as shown.
- Install the 8 camshaft caps and the 16 bolts.
- Tighten in the sequence shown to 10 Nm (89 lb-in).
- Using a feeler gauge, confirm that the valve tappet clearances are within specification. If valve tappet clearances are not within specification, the clearance must be adjusted by installing new valve tappet(s) of the correct size. For additional information, refer to Valve Clearance Check .
- Rotate the LH camshafts to the top dead center position and install the special tool on the flats of the camshafts.
- Assemble the LH variable camshaft timing (VCT) assembly, the LH exhaust camshaft sprocket and the LH secondary timing chain.
- Align the colored links with the timing marks.
- Position the LH secondary timing assembly onto the camshafts.
- Install 2 new bolts and the original washer. Tighten in 4 stages.
- Stage 1: Tighten to 40 Nm (30 lb-ft).
- Stage 2: Loosen one full turn.
- Stage 3: Tighten to 10 Nm (89 lb-in).
- Stage 4: Tighten 90 degrees.
- Remove the lock pin from the LH secondary timing chain tensioner.
- Rotate the RH camshafts to the top dead center position and install the special tool on the flats of the camshafts.
- Assemble the RH VCT assembly, the RH exhaust camshaft sprocket and the RH secondary timing chain.
- Align the colored links with the timing marks.
- Position the RH secondary timing assembly onto the camshafts.
- Install 2 new bolts and the original washer. Tighten in 4 stages.
- Stage 1: Tighten to 40 Nm (30 lb-ft).
- Stage 2: Loosen one full turn.
- Stage 3: Tighten to 10 Nm (89 lb-in).
- Stage 4: Tighten 90 degrees.
- Remove the lock pin from the RH secondary timing chain tensioner.
- Rotate the crankshaft clockwise 60 degrees to the top dead center position (crankshaft dowel pin at 11 o'clock).
- Install the primary timing chain with the colored links aligned with the timing marks on the VCT assemblies and the crankshaft sprocket.
- Install the lower LH primary timing chain guide and the 2 bolts.
- Tighten to 10 Nm (89 lb-in).
- Install the primary timing chain tensioner arm.
- Reset the primary timing chain tensioner.
- Rotate the lever counterclockwise.
- Using a soft-jawed vise, compress the plunger.
- Align the hole in the lever with the hole in the tensioner housing.
- Install a suitable lock pin.
- Install the primary tensioner and the 2 bolts.
- Tighten to 10 Nm (89 lb-in).
- Remove the lock pin.
- As a post-check, verify correct alignment of all timing marks.
- Install new VCT housing seals.
- Install the LH VCT housing and the 3 bolts.
- Tighten in the sequence shown to 10 Nm (89 lb-in).
- Install the RH VCT housing and the 3 bolts.
- Tighten in the sequence shown to 10 Nm (89 lb-in).
- Install the special tools.
- Apply a 3.0 mm (0.11 in) bead of RTV Silicone Sealant (TA-357) to the engine front cover sealing surfaces including the 3 engine mount bracket bosses.
- Apply a 5.5 mm (0.21 in) bead of RTV Silicone Sealant (TA-357) to the oil pan-to-cylinder block joint and the cylinder head-to-cylinder block joint areas of the engine front cover in 5 places as indicated.
- Install the engine front cover and bolts 17, 18, 19 and 20.
- Tighten in sequence to 3 Nm (27 lb-in).
- Remove the special tools (alignment pins).
- Install the engine mount bracket and the 3 bolts.
- Install the remaining engine front cover bolts. Tighten all of the engine front cover bolts and engine mount bracket bolts in the sequence shown in 2 stages:
- Stage 1: Tighten bolts 1 thru 22 to 10 Nm (89 lb-in) and bolts 23, 24 and 25 to 15 Nm (11 lb-ft).
- Stage 2: Tighten bolts 1 thru 22 to 24 Nm (18 lb-ft) and bolts 23, 24 and 25 to 75 Nm (55 lb-ft).
- Install the engine mount bracket and the 2 bolts.
- Tighten to 24 Nm (18 lb-ft).
- Install the 2 engine mount studs.
- Tighten to 18 Nm (13 lb-ft).
- Using the special tools, install a new crankshaft front seal.
- Using the special tools, install the crankshaft pulley.
- Using the special tool, install the crankshaft pulley washer and new bolt and tighten in 4 stages.
- Stage 1: Tighten to 120 Nm (89 (lb-ft).
- Stage 2: Loosen one full turn.
- Stage 3: Tighten to 50 Nm (37 lb-ft).
- Stage 4: Tighten an additional 90 degrees.
- Install the accessory drive belt tensioner and the 3 bolts.
- Tighten to 11 Nm (8 lb-ft).
- Install the power steering pump and the 3 bolts.
- Tighten to 24 Nm (18 lb-ft).
- Using the special tools, install new VCT solenoid and/or spark plug tube seals.
- Apply a 8 mm (0.31 in) bead of RTV Silicone Sealant (TA-357) to the engine front cover-to-RH cylinder head joints.
- Using a new gasket, install the RH valve cover, bolt and the 10 stud bolts.
- Tighten in the sequence shown to 10 Nm (89 lb-in).
- Apply a 8 mm (0.31 in) bead of RTV Silicone Sealant (TA-357) to the engine front cover-to-LH cylinder head joints.
- Using a new gasket, install the LH valve cover and 11 stud bolts.
- Tighten in the sequence shown to 10 Nm (89 lb-in).
- Install the 6 coil-on-plug assemblies and the 6 bolts.
- Tighten to 7 Nm (62 lb-in).
- Attach all of the wiring harness retainers to the LH valve cover and stud bolts.
- Connect the 3 LH coil-on-plug electrical connectors.
- Connect the LH camshaft VCT solenoid electrical connector.
- Attach all of the wiring harness retainers to the RH valve cover and stud bolts.
- Connect the heated positive crankcase ventilation (PCV) valve electrical connector.
- Connect the 3 RH coil-on-plug electrical connectors.
- Connect the RH VCT solenoid electrical connector.
- Connect the power steering pressure (PSP) switch electrical connector.
- Connect the RH catalyst monitor sensor electrical connector.
- Using new gaskets, install the upper intake manifold and the 6 bolts.
- Tighten in the sequence shown to 10 Nm (89 lb-in).
- Install the upper intake manifold support bracket bolt.
- Tighten to 10 Nm (89 lb-in).
- Install the upper intake manifold support bracket bolt.
- Tighten to 10 Nm (89 lb-in).
- Attach the wiring harness retainers to the upper intake manifold.
- Connect the throttle body electrical connector.
- Connect the PCV hose to the PCV valve.
- Connect the PCV fitting electrical connector.
- If equipped, attach the engine block heater wiring harness retainers.
- Raise the engine and transaxle assembly into the vehicle.
- Install the engine mount and the 3 bolts.
- Tighten to 90 Nm (66 lb-ft).
- Install the 4 engine mount nuts.
- Tighten to 63 Nm (46 lb-ft).
- Install the engine mount brace, the nut and the bolt.
- Tighten to 20 Nm (15 lb-ft).
- Install the transaxle support insulator bracket, the 3 nuts and the bolt.
- Tighten to 63 Nm (46 lb-ft).
- Install the transaxle support insulator through bolt and nut.
- Tighten to 175 Nm (129 lb-ft).
- Install a new powertrain transfer unit (PTU) seal. For additional information, refer to TRANSFER CASE - POWER TRANSFER UNIT (PTU) .
- Position the RH halfshaft/intermediate shaft assembly in the PTU and in the steering knuckle and install the 2 bolts.
- Tighten to 40 Nm (30 lb-ft).
- Position the RH halfshaft/intermediate shaft assembly in the transaxle and in the steering knuckle and install the 2 stud bolts.
- Tighten to 55 Nm (41 lb-ft).
- Install the converter support bracket and the 2 bolts.
- Install the catalytic converter bracket bolt and the nut.
- Tighten the nut to 40 Nm (30 lb-ft).
- Tighten the bolt to 55 Nm (41 lb-ft).
- Tighten the 2 RH catalytic converter support bracket bolts to 20 Nm (15 lb-ft).
- Install the LH halfshaft into the transaxle.
- If equipped, connect the oil cooler coolant hoses.
- Using the special tool, raise the subframe into the installed position.
- Install the 2 middle subframe nuts.
- Tighten to 133 Nm (98 lb-ft).
- Install the 2 front subframe nuts.
- Tighten to 133 Nm (98 lb-ft).
- Position the subframe support brackets in place and loosely install the 4 bolts.
- Install the 2 rear subframe bracket nuts.
- Tighten to 133 Nm (98 lb-ft).
- Tighten the 4 subframe support bracket bolts.
- Tighten to 90 Nm (66 lb-ft).
- Position the lower bumper on the subframe and install the 3 LH nuts.
- Tighten to 9 Nm (80 lb-in).
- Install the 3 RH lower bumper-to-subframe nuts.
- Tighten to 9 Nm (80 lb-in).
- Install the ball joints in the steering knuckles and install the pinch bolts.
- Tighten to 55 Nm (41 lb-ft).
- Position the stabilizer bar links in the lower control arms and install the nuts.
- Tighten to 90 Nm (66 lb-ft).
- Install the tie-rod ends and nuts.
- Tighten to 48 Nm (35 lb-ft).
- Install new cotter pins.
- Install the intermediate shaft onto the steering gear and install a new bolt.
- Tighten to 23 Nm (17 lb-ft).
- Using a new banjo bolt and 2 new seals, install the PSP tube.
- Tighten to 48 Nm (35 lb-ft).
- Install the engine roll restrictor-to-subframe through bolt.
- Tighten to 103 Nm (76 lb-ft).
- Install the roll restrictor heat shield and the 2 nuts.
- Tighten to 11 Nm (8 lb-ft).
- Install a new RH front halfshaft nut.
- Tighten to 350 Nm (258 lb-ft).
- Line up the index marks on the rear driveshaft to the index marks on the PTU flange made during removal and install the 4 bolts.
- Tighten to 70 Nm (52 lb-ft).
- Install the power steering cooler bracket bolt to the RH side of the subframe.
- Tighten to 9 Nm (80 lb-in).
- Connect the power steering cooler hose.
- Install a new engine oil filter.
- Tighten to 5 Nm (44 lb-in) and then rotate an additional 180 degrees.
- Connect the 2 transmission fluid cooler tubes.
- Install the 2 secondary latches onto the transmission fluid cooler tubes.
- Install the LH inner splash shield. For additional information, refer to FRONT END BODY PANELS .
- Install the radiator splash shield, the 3 pin-type retainers and the 7 screws.
- Using a new gasket, install the Y-pipe and exhaust flexible pipe assembly and 4 new nuts.
- Tighten to 40 Nm (30 lb-ft).
- Install the 2 exhaust hangers and tighten the exhaust clamp.
- Tighten to 40 Nm (30 lb-ft).
- Install the ground wire, the radio interference capacitor wire and the nut to the engine front cover stud.
- Tighten to 10 Nm (89 lb-in).
- Install the ground wire and bolt to the engine front cover.
- Tighten to 10 Nm (89 lb-in).
- Attach the wiring harness retainer to the RH valve cover stud bolt.
- Install the oil level indicator.
- Connect the 2 engine wiring harness electrical connectors.
- Attach the electrical connector to the LH valve cover.
- Connect the fuel hose routing clip to the transaxle stud.
- Connect the fuel supply tube. For additional information, refer to FUEL SYSTEM - GENERAL INFORMATION .
- Connect the hose to the power steering reservoir.
- Connect the A/C suction tube fitting.
- Install the safety clip onto the A/C fitting.
- Using a new O-ring seal, connect the A/C pressure tube fitting and install the nut.
- Tighten to 8 Nm (71 lb-in).
- If equipped, attach the engine block heater harness retainers from to the radiator support and the A/C suction tube.
- Connect the transaxle control electrical connector.
- Attach the control cable to the bracket.
- Connect the transaxle control cable to the control lever.
- Attach the wiring harness retainer to the transaxle control cable bracket.
- Connect the upper radiator hose, lower radiator hose and 2 heater hoses to the thermostat housing.
- Connect the upper evaporative emissions (EVAP) tube quick connect coupling. to the purge valve. For additional information, refer to FUEL SYSTEM - GENERAL INFORMATION .
- Connect the vacuum hose to the upper intake manifold.
- Install the ground wire and the bolt.
- Tighten to 10 Nm (89 lb-in).
- Attach the 2 wiring harness retainers to the cowl.
- Connect the power feed to the battery terminal and install the nut.
- Tighten to 8 Nm (71 lb-in).
- Connect the battery harness electrical connector.
- Install the battery tray. For additional information, refer to BATTERY, MOUNTING AND CABLES .
- Install the engine air cleaner and the air cleaner outlet pipe. For additional information, refer to INTAKE AIR DISTRIBUTION AND FILTERING .
- Install the degas bottle. For additional information, refer to ENGINE COOLING .
- Install the accessory drive belt and the power steering belt. For additional information, refer to ACCESSORY DRIVE .
- Fill the engine with clean engine oil.
- Fill and bleed the cooling system. For additional information, refer to ENGINE COOLING .
- Fill the power steering system. For additional information, refer to STEERING SYSTEM - GENERAL INFORMATION .
- Recharge the air conditioning system. For additional information, refer to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS .
CAUTION:
The crankshaft must remain in the freewheeling position (crankshaft dowel pin at 9 o'clock) until after the camshafts are installed and the valve clearance is checked/adjusted. Do not turn the crankshaft until instructed to do so. Failure to follow this process will result in severe engine damage.
LH camshafts
CAUTION:
The camshafts must remain in the neutral position during installation.
NOTE:
Coat the camshafts with clean engine oil prior to installation.
CAUTION:
Cylinder head camshaft bearing caps are numbered to verify that they are assembled in their original positions.
RH camshafts
CAUTION:
The camshafts must remain in the neutral position during installation.
NOTE:
Coat the camshafts with clean engine oil prior to installation.
CAUTION:
Cylinder head camshaft bearing caps are numbered to verify that they are assembled in their original positions.
All camshafts
CAUTION:
If any components are installed new, the engine valve clearance must be checked/adjusted or engine damage can occur.
NOTE:
Use a camshaft sprocket bolt to turn the camshafts.
LH camshafts
NOTE:
Use a camshaft sprocket bolt to turn the camshafts.
Fig 8: Aligning LH Exhaust Camshaft Sprocket & LH Secondary Timing Chain Colored Links With Timing Marks
RH camshafts
NOTE:
Use a camshaft sprocket bolt to turn the camshafts.
Fig 13: Aligning RH Exhaust Camshaft Sprocket & RH Secondary Timing Chain Colored Links With Timing Marks
All camshafts
NOTE:
It may be necessary to rotate the crankshaft slightly to remove slack from the timing chain and install the tensioner.
CAUTION:
Make sure the dowels on the VCT housing are fully engaged in the cylinder head prior to tightening the bolts.
CAUTION:
Make sure the dowels on the VCT housing are fully engaged in the cylinder head prior to tightening the bolts.
CAUTION:
Failure to use the correct RTV Silicone Sealant (TA-357) may cause the engine oil to foam excessively and result in serious engine damage.
NOTE:
The engine front cover and bolts 17, 18, 19 and 20 must be installed within 4 minutes of the initial sealant application. The remainder of the engine front cover bolts and the engine mount bracket bolts must be installed and tightened within 35 minutes of the initial sealant application. If the time limits are exceeded, the sealant must be removed, the sealing area cleaned and sealant reapplied. To clean the sealing area, use silicone gasket remover and metal surface prep. Follow the directions on the packaging. Failure to follow this procedure can cause future oil leakage.
Fig 28: Applying Bead Of Motorcraft High Performance Engine RTV Silicone To Engine Front Cover Sealing Surfaces
NOTE:
Make sure the 2 locating dowel pins are seated correctly in the cylinder block.
NOTE:
Do not tighten the bolts at this time.
CAUTION:
Do not expose the RTV Silicone Sealant (TA-357) to engine oil for at least 90 minutes after installing the engine front cover. Failure to follow this instruction may cause oil leakage.
NOTE:
Apply clean engine oil to the crankshaft front seal bore in the engine front cover.
NOTE:
Lubricate the outside diameter sealing surfaces with clean engine oil.
NOTE:
Installation of new seals is only required if damaged seals were removed during disassembly of the engine.
NOTE:
Spark plug tube seal installation shown, variable camshaft timing (VCT) seal installation similar.
Fig 39: Installing VCT Solenoid And/Or Spark Plug Tube Seals Using Special Tools (205-153) & (303-1247/2)
CAUTION:
Failure to use the correct RTV Silicone Sealant (TA-357) may cause the engine oil to foam excessively and result in serious engine damage.
NOTE:
If the valve cover is not installed and the fasteners tightened within 4 minutes, the sealant must be removed and the sealing area cleaned. To clean the sealing area, use silicone gasket remover and metal surface prep. Follow the directions on the packaging. Failure to follow this procedure can cause future oil leakage.
Fig 40: Applying Bead Of Motorcraft High Performance Engine RTV Silicone To Engine Front Cover-To-RH Cylinder Head Joints
CAUTION:
Failure to use the correct RTV Silicone Sealant (TA-357) may cause the engine oil to foam excessively and result in serious engine damage.
NOTE:
If the valve cover is not installed and the fasteners tightened within 4 minutes, the sealant must be removed and the sealing area cleaned. To clean the sealing area, use silicone gasket remover and metal surface prep. Follow the directions on the packaging. Failure to follow this procedure can cause future oil leakage.
Fig 42: Applying Bead Of Motorcraft High Performance Engine RTV Silicone To Engine Front Cover-To-LH Cylinder Head Joints
NOTE:
LH shown, RH similar.
All wheel drive (AWD) vehicles
CAUTION:
A new powertrain transfer unit (PTU) seal must be installed whenever the intermediate shaft is removed.
NOTE:
Prior to installation of the halfshaft, inspect the halfshaft sealing surface for wear or damage and install new, if necessary.
Front wheel drive (FWD) vehicles
NOTE:
Prior to installation of the halfshaft, inspect the halfshaft sealing surface for wear or damage and install new if necessary.
NOTE:
Do not tighten the 2 catalytic converter support bracket bolts at this time.
All vehicles
NOTE:
Prior to installation of the halfshaft, inspect the halfshaft sealing surface for wear or damage and install new, if necessary.
NOTE:
RH side shown, LH side similar.
NOTE:
RH side shown, LH side similar.
NOTE:
RH shown, LH similar.
CAUTION:
Do not allow the intermediate shaft to rotate while it is disconnected from the gear or damage to the clockspring can occur. If there is evidence that the intermediate shaft has rotated, the clockspring must be removed and recentered. For additional information, refer to SUPPLEMENTAL RESTRAINT SYSTEM
.
NOTE:
Apply the brake to keep the halfshaft from rotating.
AWD vehicles
All vehicles
NOTE:
Lubricate the engine oil filter gasket with clean engine oil prior to installing the oil filter.
Fig 106: Identifying Engine Block Heater Harness, Radiator Support, A/C Suction Tube & Engine Wiring Harness
CAUTION:
Do not expose the RTV Silicone Sealant (TA-357) to engine oil for at least 90 minutes after installing the engine front cover. Failure to follow this instruction may cause oil leakage.