Removing Concealment Plug on Throttle Body: Service and Repair Instructions
Throttle Body: Service and Repair
Fuel Meter Cover Assembly
REMOVAL
The fuel meter cover contains the fuel pressure regulator and is serviced as a complete preset unit. Do not attempt to remove the four pressure
regulator-to-fuel meter cover attaching screws as the pressure regulator is spring loaded and, if tension is released, could cause injury.
1.
Relieve fuel pressure. See MAINTENANCE PROCEDURES.
2.
Disconnect battery ground cable, then remove air cleaner assembly.
3.
Disconnect injector(s) connector by squeezing two tabs together and pulling straight up.
4.
Remove five screws securing meter cover-to-meter body. Note locations of two shorter screws.
5.
Remove fuel meter cover. Do not immerse fuel meter cover/pressure regulator assembly in parts cleaner, as pressure regulator diaphragms and
gaskets could be damaged.
Fuel Meter Cover Assembly
INSTALLATION
1.
Install a pressure regulator seal into fuel meter body recess.
2.
Install fuel meter outlet passage gasket on fuel meter cover.
3.
Install fuel meter cover gasket on fuel meter cover.
4.
Install fuel meter cover. Ensure pressure regulator seal and cover gaskets are properly installed. Apply suitable thread locking compound to meter
cover-to-meter body attaching screws and install. Torque screws to 28 lb in (3.0 N-m). When applying thread locking compound to screw threads,
use GM 1052624, Loctite 262 or equivalent. Use of a higher strength locking compound is not recommended as it may prevent attaching screw
removal or screw head breakage if screws are removed again.
