Mitsubishi 1989-1993 GALANT Service Manual page 609

INTAKE AND EXHAUST - Intake Manifold <DOHC>
INSPECTION
Check the following points; replace the part if a problem is
found.
INTAKE MANIFOLD
1. Check for damage or cracking of any part.
2. Check for obstruction of the negative pressure (vacuum)
3. Using a straight edge and a thickness gage, check for
SERVICE POINTS OF INSTALLATION
POINTS OF REMOVAL
SERVICE
10. DISCONNECTION OF FUEL HIGH PRESSURE HOSE
Relieve pressure in the fuel pipe line to prevent fuel
outflow. (Refer to GROUP 13-MFI Components on Vehicle
Inspection.)
Caution
Cover fuel pipe line with rag after relieving pressure as
certain pressure may still remain.
PRESSURE REGULATOR
Remove fuel rail with fuel injector and pressure regulator
on.
Caution
Do not drop injector when removing fuel rail.
outlet port, and for obstruction of the water passage or
gas passage.
distortion of the cylinder head installation surface.
Standard value: 0.15 mm (406 in.) or less
0.3 mm (.012 in.)
Limit:
AND PRESSURE REGULATOR
Caution
Be careful not to drop the injector when the fuel rail
is installed.