K 3500 Truck 4WD V8-454 7.4L (1994)
SERVICE INFORMATION:
Use the following procedure for replacement of the speed sensor bore plug.
1.
Raise the vehicle and support with safety stands.
2.
Disconnect the transmission pass through wiring harness.
3.
Use a chisel to cut a hole in the bore plug. DO NOT INSERT THE CHISEL INTO THE TRANSMISSION. INTERNAL COMPONENT
DAMAGE COULD OCCUR.
4.
Insert a pry bar or screwdriver into the hole in the bore plug and pry the bore plug out.
5.
Install the new speed sensor bore plug into the transmission case by inserting a socket in the center of the bore plug and tapping it in with a
hammer until the lip of the bore plug is snug against case. THE USE OF A SEALER IS NOT RECOMMENDED ON THE BORE PLUG.
INTERNAL COMPONENT DAMAGE COULD OCCUR IF SEALER ENTERED THE TRANSMISSION.
6.
Connect the transmission pass through connector.
7.
Lower the vehicle.
