Manual Gear Range Selection
WARNING: This page is about a different car, the 2002 GMC Yukon XL, 2002 GMC Sierra, 2002 Chevrolet Suburban, and 2002 Chevrolet 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 gear ranges.
Perform the following tests using 10 percent to 15 percent throttle angle.
- Reverse
With the vehicle stopped, move the gearshift lever to Reverse. - Slowly accelerate the vehicle.
- Verify that there is no noticeable slip, noise or vibration.
- Manual First
With the vehicle stopped, move the gearshift lever to 1st. - Accelerate the vehicle to 20 MPH.
- Verify no upshifts occur, the TCC does not apply and there is no noticeable slip, noise, or vibration.
- Manual Second
With the vehicle stopped, move the gearshift lever to 2nd. - Accelerate the vehicle to 35 MPH.
- Verify the 1-2 shift occurs, the 2-3 shift does not occur and there is no noticeable slip, noise or vibration.
- Manual Third
With the vehicle stopped, move the gearshift lever to 3rd. - Accelerate the vehicle to 40 MPH.
- Verify the 1-2 shift occurs, the 2-3 shift occurs and there is no noticeable slip, noise or vibration.