Diesel Data: Automotive Repair

2-3 Shift Points Too High or Low


1. Faulty solenoid wiring.
2. Damaged or disconnected vacuum lines.
3. Incorrectly adjusted kickdown switch or damaged and/or disconnected wiring.
4. Abnormal hydraulic pressures.
5. Faulty downshift solenoid.
6. Faulty vacuum diaphragm or control rod.
7. Faulty control valve or governor valve.