Intake Manifold: Service and Repair

DISASSEMBLY





1. Remove the idle speed actuator.





2. Remove the Intake air hose connected to the throttle body.





3. Remove the accelerator cable.
4. Remove the P.C.V. hose and brake booster vacuum hoses.
5. Disconnect the vacuum hose connections.





6. Disconnect the high pressure fuel hose connection after relieving pressure in the fuel pipe line to prevent fuel overflow.
7. Remove the surge tank stay.
8. Remove the surge tank assembly and gasket.
9. Disconnect the fuel injector harness connector.
10. Remove the delivery pipe with the fuel injectors and pressure regulator attached.

CAUTION: Be careful not to drop the injectors when removing the delivery pipe.





11. Remove the insulator from the intake manifold and disconnect the heater hose.
12. Remove the intake manifold.

INSPECTION

Surge Tank
Check the surge tank for defects or cracks. Replace if necessary.

Intake Manifold
Check for damage or cracking of any part.

Air Hose
Check for damage or cracking or any part.

REASSEMBLY





1. Install the delivery pipe with the fuel injectors and pressure regulator attached.

CAUTION: Be careful not to drop the injectors when removing the delivery pipe.

2. Ensure that insulators are correctly inserted into the delivery pipe hole.