Cummins/Onan — Coolant Solenoid Valve Mounting (Standard Cab Configuration)
Installation · coolant solenoid valve assembly
From a Cummins/Onan service manual covering: ES2075s, FS1870s, M11979s, M1976s, M1977s, M1978s. Check it applies to your exact model before use.
Applies to: Kubota 2482B engine
Procedure
- Select a location beneath the sleeper with access for coolant hose routing and fasteners.
- Hold the solenoid valve assembly with the TE (to engine) connections facing front and AUX connections facing back.
- Use the reinforcement plate as a template to mark the three mounting holes and drill three 7/16-inch diameter holes.
- Secure the solenoid valve assembly with the three 3/8-16 x 7/8-inch screws and washers.
- Connect the wiring harness to the solenoid valve assembly.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Mounting plate 3/8-inch bolt torque: 20 ft-lb
- Fastener length must be increased if mounting surface is over .15 inch thick
- Thread engagement should be at least .56 to .75 inches
Source: Cummins/Onan service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.