Diesel Data: Automotive Repair

1-2 Shift Points Too High or Low


1. Damaged or disconnected 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. Damaged or disconnected vacuum diaphragm or rod.
7. Faulty control valve or governor valve.