89-95 Chevy truck intake manifold 2

This is the second page for the job "How to replace the intake manifold gasket on 1989-1995 Chevrolet trucks equipped with 5.7 L engines".

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 Remove the clip that secures the throttle cable in place and slide the throttle cable off, detach the kick-down cable also.


















Unplug the vaccum line from the EGR valve, unplug the MAP sensor electrical connector.


















Remove the MAP sensor bracket and the EGR sensor bracket from the Intake manifold.













Loosen the fuel lines from the throttle bodt, remove the two long studs and the bolt that fasten the throttle body assembly to the intake manifold and remove it from the truck, to avoid dirt from entering the intake ports, place some towels in the ports once you remove the throttle body assembly.














Remove the heater hose. ( the original heater hose quick disconnect was replaced by the owner, that's why this truck has this set up. )
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Unplug the ignition coil, and unbolt its bracket from the Intake manifold, remove the coil and bracket.

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Mark the position of the number one spark plug wire on the distributor cap, mark the plug wire also for faster identification upon installation, unplug all the spark plug wires from the distributor cap, remove the distributor cap.




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Mark the direction the ignition rotor is pointing, mark the distributor and the intake manifold, to make sure that you install the distributor correctly after you replace the intake manifold gasket.

If you don't mark the direction the rotor is pointing now, the only way you will be able to set the initial ignition timing will be by finding the number one cylinder on its compression stroke.

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Unplug the electrical connector from the ignition module, remove the bolt and bracket that fasten the distributor to the intake manifold and remove the distributor assembly from the engine.













Remove the remaining brackets from the intake manifold, remove all the bolts that fasten the intake manifold in place and remove the intake manifold from the engine.




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