slow leak from intake manifold gasket
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2004 Chevrolet Blazer Question: do you have to lift the engine up to replace intake manifold gasket
Answer #1cogcan April 27, 2011, 06:14Journeyman
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:
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.
Evaporative emission (EVAP) purge solenoid electrical connector
Knock Sensor (KS) electrical connector
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.
mastertech6371 April 27, 2011, 07:29Master
the simple answer is no, it does not have to be raised.
Answer #3The Garage Auto Repair from The Garage Inc, April 27, 2011, 08:18Technician
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.