Intake Manifold: Service and Repair

REMOVAL
1. Remove the air intake surge tank.
2. Remove the high pressure fuel hose.

CAUTION: Reduce the internal pressure of the high pressure fuel hose prior to disconnecting. Refer to Powertrain Management; Fuel Delivery and Air Induction.

3. Disconnect the fuel return hose.





4. Remove the delivery pipe with the fuel injector.

NOTE: Be careful not to drop the injector when removing the delivery pipe.

CAUTION: Be aware that fuel may flow out when removing the injector.

4. Remove the intake manifold and gasket.

INSPECTION
Intake Manifold
1. Check the intake manifold for damage, cracking, or restriction of the vacuum outlet port, water and or gas passages.





2. Check for distortion of the cylinder head mounting surface and surge tank mounting surface by using a straight edge and feeler gauge.
Standard value 0.15 mm (0.006 inch) or less
Service limit value 0.2 mm (0.0078 inch)

INSTALLATION





1. Install the intake manifold and delivery pipe according to the reverse order of removal.

CAUTION: Do not use the used intake manifold gasket.