CYLINDER HEAD, REPLACE
chevrolet S10 2000 2.2L 4cil LN2
Cylinder head bolts should only be loosened when engine is cold. Do not reuse cylinder head bolts.
1.Drain coolant, then remove coolant reservoir tank.
2.Remove air filter housing assembly, then remove fuel vapor pipe assembly. Place shop towel over fuel line and fitting when disconnecting.
3.Remove serpentine belt and front timing cover upper attaching bolts.
4.Loosen serpentine belt tensioner and place aside.
5.Remove upper radiator hose, then upper and lower fan shrouds.
6.Remove fan assembly and multiple ribbed drive belt.
7.Remove coolant pump and heater hose from intake manifold and thermostat housing.
8.Remove thermostat housing, then alternator support brace and wires.
9.Remove power steering support brace, then A/C compressor with brackets and position aside.
10.Remove accessory support bracket with alternator and power steering pump attached. Position aside.
11.Disconnect throttle cable and support linkage.
12.Disconnect heater hose at coolant pump.
13.Remove oil fill tube, then disconnect exhaust pipe and oxygen sensor.
14.Remove exhaust manifold bolts and manifold following procedure outlined under "Exhaust Manifold, Replace."
15.Disconnect wiring and vacuum hoses from intake manifold, then remove manifold following procedures outlined under "Intake Manifold, Replace."
16.Disconnect fuel lines and spark plug wires. Place shop towel over fuel lines and fitting when disconnecting.
17.Remove rocker arm cover, then rocker arms and pushrods. Ensure to mark original location of rockers and pushrods for installation.
18.Disconnect engine lift bracket from rear of engine, then remove cylinder head bolts and studs. Remove cylinder head.
19.Reverse procedure to install, noting the following:
a.Using sequence shown in Fig. 1, tighten cylinder head bolts in two steps.
b.First step, torque long bolts to 46 ft. lbs. and the short bolts to 43 ft. lbs.
c.Second step, tighten all bolts an additional 90.°