Component Testing
WARNING: This page is about a different car, the 2019 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
- Remove the control valve body assembly. Refer to Control Valve Body Replacement .
- Clean and inspect all control valve body assembly components for the following conditions listed below:
- Stuck or scored control valve
- Scored or damaged control valve body bore
- Broken, weak, or damaged control valve return spring
- Missing, damaged, or stuck check ball
- Missing, restricted, or out of position modulated fluid pressure orifice
- Missing or damaged control valve retainer
- Debris or sediment
- If a condition is found, and cannot be repaired by cleaning
Replace the control valve body assembly.
- Go to next step: If a condition is not found
- If a condition is found, and cannot be repaired by cleaning
- All OK
WARNING:
Valve springs can be tightly compressed. Use care when removing retainers and plugs. Personal injury could result.
CAUTION:
After cleaning the transmission components, allow to air dry. Do not use cloth or paper towels in order to dry any transmission components. Lint from the towels can cause component failure.
CAUTION:
Do not reuse cleaning solvents. Previously used solvents may deposit sediment which may damage the component.