Initial Inspection and Diagnostic Overview

Transmission Cooling

Inspection and Verification - Manual Transmission

NOTICE: When internal wear/damage occurs in the transmission, component material can travel into the fluid cooler tubes and the in-tank transmission fluid cooler. Remove these contaminants from the cooling system before placing the transmission back into use. Refer to Transmission Fluid Cooler Flow Test - Manual Transmission Transmission Fluid Cooler Flow Test - Manual Transmission and Transmission Fluid Cooler Backflushing and Cleaning - Manual Transmission Transmission Fluid Cooler Backflushing and Cleaning - Manual Transmission.

1. Visually inspect for obvious signs of mechanical damage, incorrect component installation and system leaks. Repair as necessary.
- Install a new or remanufactured radiator when transmission fluid is found leaking from the in-tank transmission fluid cooler. Refer to Cooling System &/or Engine Block Heater.

2. If the fault is not visually evident, GO to Symptom Chart - Manual Transmission Cooling or GO to Symptom Chart - NVH. Symptom Related Diagnostic Procedures