| TIBURON(GK) >2003 > G 2.7 DOHC > Engine Mechanical System > Intake And Exhaust System > Intake Manifold>Repair procedures |

REMOVAL
1. | Remove the air intake hose connected to the throttle body.
2. | Remove the accelerator and cruise control cables.
3. | Remove the engine coolant hose and throttle body.
4. | Remove the P.C.V. hose and brake booster vacuum hoses.
5. | Disconnect the vacuum hose connections.
6. | Remove the surge tank stay.
7. | Bleed off the pressure in the fuel pipe line to prevent the fuel from spilling.
8. | Disconnect the connector from high pressure hose.
9. | Remove the surge tank.
10. | Remove the surge tank and gasket.
11. | Disconnect the fuel injector harness connector.
12. | Remove the delivery pipe with the fuel injector and the pressure regulator.
When the delivery pipe is removed, be careful not to drop an injector.
13. | Disconnect the wiring harness of the coolant sensor assembly.
INSTALLATION
1. | Install the intake manifold and delivery pipe reversing the order of the removal procedure.
Tightening torque Intake manifold : 19 ~ 21Nm (190 ~ 210kg.cm, 14 ~ 15lb.ft)
INSPECTION
SURGE TANK AND INTAKE MANIFOLD
1. | Check the surge tank and intake manifold for damage, cracking or restriction of the vacuum outlet port, water or gas passages.
2. | Check for distortion on the surface using a straight edge and feeler gauge.
Standard value : 0.15 mm (0.006 in.) or less Service limit : 0.2 mm (0.0078 in.)