K 2500 Truck 4WD V8-454 7.4L VIN J SFI (1997)
EGR Valve: Service and Repair
Diagram
Removal Procedure
NOTE: Do not try to disassemble the linear EGR valve. Service only as a complete assembly.
Important: Carefully note the position of the EGR valve before removal. Do not rotate the EGR valve 180°.
1. Remove the electrical connector.
2. Remove the valve to flange attaching bolts.
CAUTION: The Linear EGR valve is an electrical component. DO NOT soak in any liquid cleaner or solvent because damage may result.
3. Remove the linear EGR valve (1).
4. Remove the flange gasket.
5. Clean the linear EGR valve gasket surface.
Installation Procedure
1. Install the new flange gasket
2. Install the linear EGR valve (1).
3. Install the Valve to flange bolts. Tighten.
3.1.Tighten the bolts the first time to 10 Nm (89 lb. in.) each.
3.2.Tighten the bolts a final time to 25 Nm (18 lb. ft.) each.
4. Install the electrical connector.
