Cylinder Heads
WARNING: This page is about a different car, the 2005 Mercury Mountaineer and 2005 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.
SPECIAL TOOL CHART
| Installer, Crankshaft Vibration Damper 303-102 (T74P-6316-B) | |
| Installer, Crankshaft Front Oil Seal 303-635 | |
| Holding Tool, Crankshaft 303-448 (T93P-6303-A) | |
| Engine Lift Bracket Set 303-DS086 (D93P-6001-A) | |
| Strap Wrench 303-D055 (D85L-6000-A) | |
| Compressor, Valve Spring 303-567 (T97P-6565-AH) | |
| Spacer, Valve Spring Compressor 303-382 (T91P-6565-AH) | |
| Installer, Crankshaft Front Oil Seal 303-335 (T88T-6701-A) | |
| Installer Set, Teflon Seal 211-D027 (D90P-3517-A) or equivalent |
MATERIAL CHART
| Item | Specification |
|---|---|
| SAE 5W-20 Premium Synthetic Blend Motor Oil XO-5W20-QSP or equivalent | WSS-M2C930-A |
| Motorcraft Silicone Gasket Remover ZC-30 | - |
| Motorcraft Metal Surface Prep ZC-31 | - |
| Silicone Gasket and Sealant TA-30 or equivalent | WSE-M4G323-A4 |
| Premium Engine Coolant VC-7-A (in California, Oregon and New Mexico VC-7-B, in Canada CVC-7-C) or equivalent (yellow color) | WSS-M97B41-A1 |
| Silicone Brake Caliper Grease and Dielectric Compound XG-3-A or equivalent | ESE-M1C171-A |
| Instant Gel Adhesive TA-19 or equivalent | WSK-M2G402-A4 |
- Install the head gaskets over the dowel pins.
- Tighten the LH cylinder head bolts in 6 stages in the sequence shown in Fig 2.
- Stage 1: Tighten to 40 Nm (30 lb-ft).
- Stage 2: Tighten an additional 90 degrees (1/4 turn).
- Stage 3: Back out 1 full turn (360 degrees).
- Stage 4: Tighten to 40 Nm (30 lb-ft).
- Stage 5: Tighten an additional 90 degrees (1/4 turn).
- Stage 6: Tighten an additional 90 degrees (1/4 turn).
- Tighten the RH cylinder head bolts in 6 stages in the sequence shown in Fig 3.
- Stage 1: Tighten to 40 Nm (30 lb-ft).
- Stage 2: Tighten an additional 90 degrees (1/4 turn).
- Stage 3: Back out 1 full turn (360 degrees).
- Stage 4: Tighten to 40 Nm (30 lb-ft).
- Stage 5: Tighten an additional 90 degrees (1/4 turn).
- Stage 6: Tighten an additional 90 degrees (1/4 turn).
- Install the hydraulic lash adjusters in their original locations.
- Using new gaskets, install the RH exhaust manifold. Tighten the nuts in the sequence shown in Fig 5 to 20 Nm (15 lb-ft).
- Install the RH exhaust manifold heat shield and the bolts.
- Tighten to 10 Nm (89 lb-in).
- Inspect the O-ring seals. Install new seals if necessary.
- Install the coolant tube and the nut.
- Tighten to 10 Nm (89 lb-in).
- Install the oil level indicator tube and the retaining bolt.
- Tighten to 10 Nm (89 lb-in).
- Using new gaskets, install the LH exhaust manifold. Tighten the nuts in the sequence shown in Fig 10 to 20 Nm (15 lb-ft).
- Install the LH exhaust manifold heat shield and the bolts.
- Tighten to 10 Nm (89 lb-in).
CAUTION: Timing chain procedures must be followed exactly or damage to valves and pistons will result.
- Tighten to 10 Nm (89 lb-in).
- Compress the tensioner plunger, using a vise.
- Install a retaining clip on the LH tensioner to hold the plunger in during installation.
- If the copper links are not visible, mark one link on one end and one link on the other end and use as timing marks.
- Using the special tool, position the crankshaft.
- Install the crankshaft sprocket, make sure the timing mark faces forward.
- Install the timing chain guides.
- Position the LH timing chain guide.
- Install and tighten the bolts to 10 Nm (89 lb-in).
- Position the RH timing chain guide.
- Install and tighten the bolts to 10 Nm (89 lb-in).
- Rotate the RH camshaft sprocket until the timing mark is approximately at the 11 o'clock position. Rotate the LH camshaft sprocket until the timing mark is approximately at the 12 o'clock position.
- Position the LH (inner) timing chain on the crankshaft sprocket, aligning the copper (marked) link with the timing mark on the sprocket.
- Position the LH timing chain on the camshaft sprocket. Make sure the copper-colored link aligns with the camshaft sprocket timing mark.
- Position the LH timing chain tensioner arm on the dowel pin and install the LH timing chain tensioner and the bolts.
- Tighten to 25 Nm (18 lb-ft).
- Remove the retaining clip from the LH timing chain tensioner.
- Position the RH (outer) timing chain on the crankshaft sprocket, aligning the copper (marked) link with the timing mark on the sprocket.
- Position the RH timing chain on the camshaft sprocket. Make sure the copper-colored link aligns with the camshaft sprocket timing mark.
- Position the RH timing chain tensioner arm on the dowel pin and install the RH timing chain tensioner and the bolts.
- Tighten to 25 Nm (18 lb-ft).
- Remove the retaining clip from the RH timing chain tensioner.
- As a post-check, verify correct alignment of all timing marks.
- Install the crankshaft sensor ring on the crankshaft.
- Apply a bead of silicone gasket and sealant along the head-to-block surface as specified.
- Install new engine front cover gaskets on the engine front cover. Position the engine front cover. Install the fasteners finger-tight.
- Tighten the front cover bolts and stud bolts in the sequence shown in Fig 31 to 25 Nm (18 lb-ft).
- Lubricate the front cover and the front oil seal inner lip with clean engine oil.
- Using the special tool, install the front oil seal into the engine front cover.
- Apply silicone gasket and sealant to the Woodruff key slot on the crankshaft pulley.
- Using the special tool, install the crankshaft pulley.
- Install the bolt and washer. Tighten the bolt in 4 stages.
- Stage 1: Tighten to 90 Nm (66 lb-ft).
- Stage 2: Loosen 360 degrees.
- Stage 3: Tighten to 50 Nm (37 lb-ft).
- Stage 4: Tighten an additional 90 degrees.
- Rotate the camshaft until the lobe is in the upward position.
- Install the special tool between the valve spring coils to prevent valve stem seal damage.
- Use the special tool to compress the valve spring and install the camshaft roller followers.
- Install the spark plugs.
- Tighten to 18 Nm (13 lb-ft).
- Inspect the LH valve cover gasket. If the gasket is damaged, remove and discard the gasket. Clean the valve cover gasket groove with soap and water or a suitable solvent.
- If a new gasket is being installed, apply instant gel adhesive completely around the gasket groove in the valve cover.
- Apply silicone gasket and sealant to the left valve cover gasket surface, in 2 places, where the engine front cover meets the cylinder head.
- Install the left valve cover and tighten the bolts in the sequence shown in Fig 43.
- Tighten to 10 Nm (89 lb-in).
- Inspect the RH valve cover gasket. If the gasket is damaged, remove and discard the gasket. Clean the valve cover gasket groove with soap and water or a suitable solvent.
- If a new gasket is being installed, apply instant gel adhesive completely around the gasket groove in the valve cover.
- Apply silicone gasket and sealant to the right valve cover gasket surface, in 2 places, where the engine front cover meets the cylinder head.
- Install the right valve cover and tighten the bolts in the sequence shown Fig 46.
- Tighten to 10 Nm (89 lb-in).
- Install the RH engine support insulator bracket and the bolts.
- Tighten to 72 Nm (53 lb-ft).
- Install new intake manifold gaskets.
- Install the intake manifold and tighten the bolts in the sequence shown in Fig 49 to 25 Nm (18 lb-ft).
- Install the thermostat housing and the bolts.
- Tighten to 25 Nm (18 lb-ft).
- Install all 8 ignition coils and the bolts.
- Tighten to 6 Nm (53 lb-in).
- Position the fuel charging wiring harness on the top of the engine.
- Connect the harness locators to the engine.
- Connect the ground wire.
- Position the starter wiring harness and connect the wiring harness retainers.
- Connect the LH fuel injector and the coil-on-plug electrical connectors. Install the wiring harness retainers.
- Connect the RH fuel injector, coil-on-plug and ground electrical connectors. Install the wiring harness retainers.
- Install the throttle body adapter and bolts.
- Install the bolt.
- Tighten to 10 Nm (89 lb-in).
- Connect the coolant hose.
- Connect the coolant hoses.
- Connect the knock sensor (KS) electrical connector and install the harness retainer to the intake manifold.
- Connect the cylinder head temperature (CHT) sensor electrical connector.
- Connect the EGR system module and fuel pressure sensor electrical connectors.
- Position the vacuum harness on the engine and connect the EGR system module and fuel pressure sensor vacuum fittings.
- Install the positive crankcase ventilation (PCV) tube and connect the vacuum tube to the throttle body adapter.
- Connect the throttle position (TP) sensor and the electronic throttle body electrical connectors.
- Install the brake booster vacuum hose and bolt.
- Tighten to 10 Nm (89 lb-in).
- Install the exhaust gas recirculation (EGR) tube to the exhaust manifold and the EGR system module.
- Tighten to 40 Nm (30 lb-ft).
- Position the coolant pump pulley on the coolant pump and install the bolts.
- Connect the camshaft position (CMP) sensor electrical connector.
- Tighten to 10 Nm (89 lb-in).
- Install the generator and the bolts.
- Tighten to 25 Nm (18 lb-ft).
- Install the idler pulleys and the bolts.
- Tighten to 25 Nm (18 lb-ft).
- Install the generator bracket and the bolts.
- Tighten to 10 Nm (89 lb-in).
- Connect the generator electrical connections.
- Tighten to 8 Nm (71 lb-in).
- Install the upper radiator hose bracket and the radio interference capacitor.
- Tighten to 10 Nm (89 lb-in).
- Install the crankcase air inlet tube.
- Position the wiring harness and connect the retainers.
- Connect the A/C compressor and the crankshaft position (CKP) sensor electrical connector.
- Install the power steering reservoir bracket, radio interference capacitor, ground cable and nut.
- Tighten to 25 Nm (18 lb-ft).
- Install the power steering pump and the bolts.
- Tighten to 20 Nm (15 lb-ft).
- Using the special tool, install a new seal on the power steering pressure hose fitting.
- Connect the return and pressure hoses to the power steering pump.
- Tighten to 65 Nm (48 lb-ft).
- Install the power steering hose support bracket and the nuts.
- Tighten to 11 Nm (8 lb-ft).
- Connect the oil pressure sensor electrical connector.
- Install the wiring harness bracket and nuts.
- Tighten to 20 Nm (15 lb-ft).
- Install the accessory drive belt.
- Install the engine lift brackets.
- Attach the special tool to a floor crane and the engine and remove the engine from the engine stand.
- Install the rear engine cover.
- Position the flexplate and install the bolts finger tight.
- Tighten the bolts in the sequence shown in Fig 88 to 80 Nm (59 lb-ft).
- Install the engine. For additional information, refer to ENGINE .
CAUTION:
Make sure all coolant residue and foreign material is cleaned from the block surface and the cylinder bore.
CAUTION:
The gasket sealing surfaces on the cylinder head and the cylinder block must be clean. For additional information, refer to CYLINDER HEADS .
CAUTION:
The use of sealing aids (aviation cement, copper spray and glue) is not permitted. The gasket must be installed dry.
CAUTION:
The new gasket has a film coating which is crucial to the gasket's ability to seal properly. Do not scratch the gasket.
NOTE:
RH shown, LH similar.
CAUTION:
Cylinder head machining or milling is not authorized by the Ford Motor Company. Cylinder head flatness must be within 0.0254 mm (0.001 in) across a 38.1 mm (1.5 in) square area.
CAUTION:
The gasket sealing surfaces on the cylinder head and the cylinder block must be clean. For additional information, refer to CYLINDER HEADS .
CAUTION:
The use of sealing aids (aviation cement, copper spray and glue) is not permitted. The gasket must be installed dry.
CAUTION:
Do not allow the dowels to scratch the sealing surface of the cylinder head during cylinder head installation.
NOTE:
The new cylinder head bolts must be lightly oiled with a rag and allowed to drain for a few minutes prior to installation.
CAUTION:
Cylinder head machining or milling is not authorized by the Ford Motor Company. Cylinder head flatness must be within 0.0254 mm (0.001 in) across a 38.1 mm (1.5 in) square area.
CAUTION:
The gasket sealing surfaces on the cylinder head and the cylinder block must be clean. For additional information, refer to CYLINDER HEADS .
CAUTION:
The use of sealing aids (aviation cement, copper spray and glue) is not permitted. The gasket must be installed dry.
CAUTION:
Do not allow the dowels to scratch the sealing surface of the cylinder head during cylinder head installation.
NOTE:
The new cylinder head bolts must be lightly oiled with a rag and allowed to drain for a few minutes prior to installation.
NOTE:
Lubricate the hydraulic lash adjusters with clean engine oil.
NOTE:
Lubricate the O-ring seals with clean coolant.
NOTE:
Lubricate the O-ring seal with clean engine oil.
CAUTION:
Prior to installation, inspect the tensioner-sealing bead for seal integrity. If cracks, tears, separation from the tensioner body or permanent compression of the seal bead is observed, install a new tensioner.
NOTE:
The following 2 steps must be performed on both hydraulic chain tensioners.
CAUTION:
Rotate the crankshaft counterclockwise only. Do not rotate past the position shown in Fig 15 or severe piston and/or valve damage will occur.
NOTE:
If necessary, adjust the camshaft sprocket slightly to obtain timing mark alignment.
NOTE:
The LH timing chain tensioner arm has a bump near the dowel hole for identification.
NOTE:
If necessary, adjust the camshaft sprocket slightly to obtain timing mark alignment.
NOTE:
If the bolts are not secured within 4 minutes, the sealant must be removed and the sealing area cleaned with metal surface cleaner. Failure to follow this procedure can cause future oil leakage.
NOTE:
If not secured within 4 minutes, sealant must be removed and the sealing area cleaned with silicone gasket remover and metal surface prep. Follow the directions on the packaging. Failure to follow this procedure can cause future oil leakage.
NOTE:
Use special tool 303-D055 to hold the crankshaft pulley.
NOTE:
If not secured within 4 minutes, sealant must be removed and the sealing area cleaned with silicone gasket remover and metal surface prep. Follow the directions on the packaging. Failure to follow this procedure can cause future oil leakage.
NOTE:
If not secured within 4 minutes, sealant must be removed and the sealing area cleaned with silicone gasket remover and metal surface prep. Follow the directions on the packaging. Failure to follow this procedure can cause future oil leakage.
NOTE:
Lubricate the O-ring seal with clean engine coolant.
NOTE:
Apply dielectric compound to the inside of the coil boots.
NOTE:
RH is shown, LH is similar.