Head gasket

Disconnect battery ground cable, then drain cooling system.
Disconnect upper radiator hose, heater hose and throttle body heater hoses from coolant outlets.
Remove exhaust manifold as described under Exhaust Manifold . Refer to Exhaust Manifold .
On DOHC engine , remove intake camshaft housing.
On SOHC engine , remove camshaft housing. Refer to Camshaft, Housing and Valve Lash Adjusters, Replace.
On DOHC engine , remove exhaust camshaft housing as described under Camshaft, Housing and Valve Lash Adjusters . Refer to Camshaft,Lifters and Push Rods.
On all models , remove engine oil filler cap and dipstick from engine.
Pull oil fill tube upward to unseat from engine.
Disconnect injector wiring harness.
Drain and recover engine coolant.
Remove oil fill tube out top rotating as necessary to gain clearance for oil/air separator nipple, located between intake manifold tubes.
Remove air cleaner to throttle body duct.
Disconnect power brake unit vacuum hose from throttle body.
Remove throttle cable bracket.
Remove throttle body from intake manifold and position aside with throttle cable, coolant hoses and electrical connectors attached.
Disconnect MAP sensor vacuum hose at intake manifold.
Remove intake manifold brace, then disconnect electrical connectors from MAP sensor, MAT sensor and purge solenoid.
Remove intake manifold as described under Intake Manifold , Replace. Refer to Service and Repair .
Disconnect upper radiator hose from water outlet.
Disconnect both coolant temperature sensor electrical connectors.
Loosen cylinder head attaching bolts in reverse order of tightening sequence, Fig 12 .
Remove cylinder head and gasket.
Reverse procedure to install. Tighten cylinder head attaching bolts using torque angle meter tool No. J-36660, or equivalent, as shown in Fig 12 .