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2004 Chevrolet Blazer Question: do you have to lift the engine up to replace intake manifold gasket

 

Question

ragman, Worcester, MA, April 27, 2011, 06:04
 Rookie

slow leak from intake manifold gasket

3 Answers
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  • Answer #1

    April 27, 2011, 06:14
     Journeyman

    Properly relieve the fuel system pressure.

    Disconnect the negative battery cable.

    Drain the engine cooling system.

    Remove or disconnect the following:

    Air cleaner outlet duct

    A/C compressor pressure switch electrical connector

    Harness clip from the cylinder head and fuel raid

    Mass Airflow/Intake Air Temperature sensor connector

    Disconnect the electrical connectors from the following:

    Main coil

    Electronic Throttle Control (ETC)

    Fuel injectors. Matchmark the connectors, pull the Connector Position Assurance (CPA) retainer up 1 click. Push the tab on the connector in, then detach the injector connector.

    Alternator connector

    Evaporative emission (EVAP) purge solenoid electrical connector

    Knock Sensor (KS) electrical connector

    Main coil

    Fuel injector electrical connector

    Electrical harness clips from the fuel rail

    KS harness electrical connector from the intake manifold

    Positive Crankcase Ventilation (PCV) valve hose and valve

    Heater water shutoff valve actuator inlet hose from the intake manifold

    EVAP purge solenoid vent tube

    Vacuum brake booster hose from the rear of the intake manifold

    Upper engine wire harness retainer nut. Position the wire harness aside.

    Intake manifold bolts

    Intake manifold and gaskets. Discard the gaskets.

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  • Medium-star Best Answer
    April 27, 2011, 07:29
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     Master

    the simple answer is no, it does not have to be raised.

    Roy

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  • Answer #3

    The Garage Auto Repair from The Garage Inc, April 27, 2011, 08:18
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     Technician

    Repairs are done with the engine left in it's normal position, the intake is removed from the top. Major repair that could have consequenses if not done correctly.

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