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Master
360 Answers
- Posted on Feb 05, 2011
Re: How to replace head gasket on 4 cylander
2.6L Engine
- Before servicing the vehicle, refer to the precautions in the beginning of this section.
- Drain the cooling system.
- Relieve the fuel system pressure.
- Remove or disconnect the following:
- Negative battery cable
- Hood
- Accessory drive belts
- Accelerator cable
- Positive Crankcase Ventilation (PCV) valve and hose
- Air intake duct
- Fuel pressure regulator vacuum line
- Canister hose
- Brake booster vacuum line
- Engine wiring harness connectors at right wheel housing
- Ground cable connector at the intake manifold, starter and firewall
- Heated Oxygen (HO2S) sensor connector
- Alternator wiring connectors
- Oil pressure switch connector
- Starter motor harness connectors
- Ignition coil connector
- Spark plug wires
- Distributor
- Exhaust front pipe
- Exhaust Gas Recirculation (EGR) gas temperature sensor connector
- Air pump
- EGR pipe
- Heat shield
- Exhaust manifold
- Throttle Position (TP) switch connector
- Cooling fan
- Water pump pulley
- Power steering pump
- Intake manifold
- Crankshaft pulley
- Front cover
- Timing belt. Refer to the Timing Belt unit repair section.
- Valve cover
- Rocker arms
- Camshaft
- Cylinder head
Cylinder head bolt loosening sequence - 2.6L engine
- To install:
- NOTE: Refer to Section 1 of this manual for the cylinder head torque sequence illustration. The illustration is located after the Torque Specification Chart.
- NOTE: Lubricate the cylinder head bolts with clean engine oil for assembly.
- Install the cylinder head with a new gasket. Tighten the bolts in sequence as follows:
- Step 1: 58 ft. lbs. (75 Nm)
- Step 2: 72 ft. lbs. (98 Nm)
- Install or connect the following:
- Camshaft
- Rocker arms
- Valve cover
- Timing belt
- Front cover
- Crankshaft pulley. Tighten the bolt to 87 ft. lbs. (128 Nm).
- Intake manifold
- Power steering pump
- Water pump pulley
- Cooling fan
- TP switch connector
- Exhaust manifold
- Heat shield
- EGR pipe
- Air pump
- EGR gas temperature sensor connector
- Exhaust front pipe
- Distributor
- Spark plug wires
- Ignition coil connector
- Starter motor harness connectors
- Oil pressure switch connector
- Alternator wiring connectors
- HO2S sensor connector
- Ground cable connector at the intake manifold, starter and firewall
- Engine wiring harness connectors at right wheel housing
- Brake booster vacuum line
- Canister hose
- Fuel pressure regulator vacuum line
- Air intake duct
- PCV valve and hose
- Accelerator cable
- Accessory drive belts
- Hood
- Negative battery cable
- Fill the cooling system.
- Start the engine and check for leaks.
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