Service manual

G420F(FE) Service Manual Chapter 3. Engine Mechanical System 51
REMOVAL
1. Disconnect the map sensor and the connector.
2. Remove the P.C.V valve hose.
3. Disconnect the fuel injector connector and the
wiring harness.
4. Remove the delivery pipe with the fuel injector
attached.
CAUTION
When removing the delivery pipe, take care not
to drop the injector.
5. Remove the intake manifold stay.
6. Remove the intake manifold and gasket.
INSPECTION
1. Intake manifold
Check each component for damage and crack.
2. Air hose
Check each component for damage and crack.
INSTALLATION
1. After replacing the intake manifold gasket, install
it to the cylinder head and then to the intake
manifold.
2. Install the delivery pipe and injector assembly to
the intake manifold.
CAUTION
Check that the injector is interfered with the
injector hole in the intake manifold.
3. Install the fuel injector connector and wiring
harness.
4. Connect the high-pressure fuel hose.
5. Connect the P.C.V valve hose.
6. Check connectors for connection.