Manual Range Selection
WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
The shift solenoids control the upshifts in the manual ranges.
Perform the following tests, using 10-15 percent throttle angle.
REVERSE
- With the vehicle stopped, move the shift selector to REVERSE.
- Slowly accelerate the vehicle.
- Verify that there is no noticeable slip, noise or vibration.