Question about 1998 Chevrolet S-10 Pickup
If you have never replaced a head gasket before the best advice I can give is leave it to a professional, as on modern vehicles there are a number of electrical, emissions, and vacuum connections that can and will cause very serious problems if not disconnected or reconnected properly.
If you feel the need to replace it yourself it's essentially10 steps.
KEEP ALL FASTENERS, AND WIRING HARNESSES ORGANIZED
remove the upper fan shroud
remove the serpentine belt, fan and pulley
loosen and remove the alternator
remove the air cleaner assembly up to the throttle body
remove the upper radiator hose, thermostat, and housing loosen and remove the heater hose
remove all electrical connections from the upper intake, then remove the fuel lines from the lower intake. Good luck with the rear fuel connection as it is snug against the block and the firewall
loosen and remove the heater hose bracket on the intake manifold
remove the intake manifold
remove the remaining bolts from the accessory bracket on the front of the engine and set the A/C compressor and PS pump aside (DO NOT DISCONNECT HOSES)
remove the oil dipstick/filler tube bracket and pull it out
disconnect exhaust manifold from exhaust down pipe
remove exhaust manifold nuts, then remove exhaust manifold
compress and remove rocker arms and push rods (KEEP IN ORDER)
remove head bolts
Remove head without prying between head and block
Send head out for machining or replace with new head
Installation in reverse of removal
Hope this helps
Posted on Jan 12, 2009
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Posted on Jan 02, 2017
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