PROCEDURE
REMOVE NO. 1 ENGINE COVER
REMOVE NO. 1 VACUUM SWITCHING VALVE ASSEMBLY
Disconnect the glow plug connector connector.
Disengage the clamp to disconnect the glow plug connector wire connector.
Disconnect the No. 1 vacuum switching valve assembly connector.
| *1 | No. 1 Vacuum Transmitting Hose |
| *2 | No. 4 Vacuum Transmitting Hose |
Disconnect the No. 4 vacuum transmitting hose from the No. 1 vacuum switching valve assembly.
Disconnect the No. 1 vacuum transmitting hose from the No. 1 vacuum switching valve assembly.
Remove the bolt and No. 1 vacuum switching valve assembly from the EGR pipe connector.