G 1500 1/2 Ton Van V8-5.7L VIN R (1996)
1.
Remove the solenoid from the control valve body. Refer to the Service Manual for the proper procedure.
2.
Clamp a piece of 1/2 inch I.D. rubber hose over the fluid inlet end of the solenoid.
3.
Connect a wire from one of the solenoid terminals to the negative terminal (ground) of a battery.
4.
Apply compressed air to the rubber hose. Do not use air pressure in excess of 120 psi. Excessive pressure will not allow the check ball to seat
properly.
5.
Connect a wire from the other solenoid to the positive terminal (12 volts) of the battery.
6.
Observe the air flow through the solenoid. Replace the solenoid if there is an air leak when the solenoid is energized.
Parts Information
New Part Number
Description
10478140
1-2 & 3-4 Shift Solenoid (black)
10478141
2-3 Shift Solenoid (white)
Parts are currently available through GMSPO.
Warranty Information
For vehicles repaired under warranty, use the table.
