Circuit/System Testing
WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Perform a line pressure test. Refer to Line Pressure Check
.
- If line pressure is low in all ranges, refer to Low Main Line Pressure in All Ranges .
- If line pressure is low in a specific range or ranges, refer to Low Main Line Pressure in Specific Ranges, Normal Pressure in Other Ranges .
- Perform the clutch test. Refer to Clutch Test
.
- If not the specified value, refer to Excessive Slippage and Clutch Chatter .
- If the above tested normal, refer to Functional Test .
NOTE:
You must perform the Circuit/System Testing first.
WARNING:
Chock the wheels to prevent the vehicle from moving. Failure to chock the wheels can cause personal injury when the electrical system is repaired.