Cylinder Head RH: Removal
NOTE:
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 Vehicles
- With the vehicle in NEUTRAL, position it on a hoist. Refer to: Jacking and Lifting - Overview .
- Recover the refrigerant.
- Release the fuel system pressure. Refer to: Fuel System Pressure Release .
- Disconnect the battery ground and positive cables. Refer to: Battery Disconnect and Connect .
- Drain the engine cooling system. Refer to: Engine Cooling System Draining, Vacuum Filling and Bleeding .
- Remove the retainers and the radiator top shield.
- Remove the following items:
- RH camshafts. Refer to: Camshaft RH .
- RH catalytic converter. Refer to: Catalytic Converter RH .
- A/C compressor inlet line. Refer to: Air Conditioning (A/C) Compressor Inlet Line - 5.0L 32V Ti-VCT .
- Evaporator outlet line. Refer to: Evaporator Outlet Line - 5.0L 32V Ti-VCT .
- Starter. Refer to: Starter Motor .
6-Speed Manual Transmission - 3160/6-Speed Manual Transmission - MT82
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- Disconnect the HO2S electrical connector.
- Detach the retainer and position the wiring harness aside.
10-Speed Automatic Transmission - 10R80
- Disconnect the HO2S electrical connector.
- Remove the transmission cooling tube nut and bracket from the flexplate inspection cover stud bolt.
- Remove the transmission cooling tube bracket nut and position the bracket and tubes aside.
All Vehicles
- Remove the LH engine mount nut.
- Remove the RH engine mount nut.
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NOTE: Do not position the legs of the Engine Support Bar on the fenders. Instead, the legs should be positioned on the body structure. Failure to follow these instructions may result in body damage.
Install the special tools and raise the engine 25 mm (1 inch). Install Special Service Tool: 303-639 Support Bracket, Engine., 303-F070 Support Bar, Engine.
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- Remove the nut and ground strap from the RH engine mount bracket stud bolt.
- Detach the wiring harness retainers from the oil pan.
- Disconnect the A/C compressor electrical connector.
- Remove the bolts, the stud bolts and the RH engine mount bracket.
- Remove and discard the nuts.
- Remove the exhaust manifold.
- Clean and inspect the exhaust manifold. Refer to: Exhaust Manifold Cleaning and Inspection .
- Remove and discard the gasket and studs.
- Install the RH engine mount bracket, bolts and stud bolts.
Torque: 46 lb.ft (62.5 Nm)
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- Using the special tools, lower the engine onto the engine mounts.
- Remove Special Service Tool: 303-F070 Support Bar, Engine., 303-639 Support Bracket, Engine.
- Disconnect the heater hose.
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- Disconnect the fuel rail electrical connector.
- Disconnect the CHT sensor electrical connector.
- Disconnect the high-pressure fuel tube flare nuts, then remove and discard the high-pressure fuel tube.
- Remove the insulators.
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- Remove and discard the bolts.
- Remove the cylinder head.
- Remove and discard the cylinder head gasket.
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NOTE: Do 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.NOTE: Clean the cylinder head bolt holes in the cylinder block using compressed air. Make sure all coolant, oil or other foreign material is removed.
- Clean and inspect the cylinder head-to-cylinder block mating surfaces of both the cylinder head and the cylinder block
- Refer to: Cylinder Head Distortion .
- Refer to: Cylinder Block Distortion .