Diagnostic Test
WARNING: This page is about a different variant/trim than selected.
- VERIFY THE VEHICLE IS NOT TOWING EXCESSIVE LOAD
- Verify with the customer if the vehicle is being used for towing. If it is, verify that the vehicle is not exceeding the towing capacity.
Is the vehicle being used to tow more that it's capacity?
Yes
- Inform the customer of the maximum towing capacity and proper towing practices.
No
- Go To 2
- Verify with the customer if the vehicle is being used for towing. If it is, verify that the vehicle is not exceeding the towing capacity.
- CHECK THE COOLING SYSTEM FOR PROPER LEVEL
- Verify the cooling system is filled to the proper level.
Is the cooling system at the proper level?
Yes
- Go To 3
No
- Fill the cooling system to the proper level in accordance with the Service Information.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
- Verify the cooling system is filled to the proper level.
- CHECK THE TRANSMISSION FOR PROPER FLUID LEVEL
- Verify the Transmission is at the proper level.
Is the Transmission filled to the proper level?
Yes
- Go To 4
No
- Fill the Transmission to the proper level in accordance with the Service Information.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
- Verify the Transmission is at the proper level.
- CHECK THE TRANSMISSION COOLER AND LINES FOR RESTRICTIONS OR DAMAGE
- Check the Transmission Cooler and lines for the following:
- Check for physical damage to the Transmission Oil Cooler that could restrict oil flow through the cooler.
- Check for physical damage to the Transmission Oil Cooler that could restrict air flow through the cooler.
- Check for physical damage to the Transmission Oil Cooler lines/hoses that could restrict oil flow through the cooler.
Were any issues found with the Oil Cooler or Oil Cooler Lines/hoses?
Yes
- Perform the appropriate repair in accordance with the Service Information.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
No
- Go To 5
- Check the Transmission Cooler and lines for the following:
- CHECK THE COOLING SYSTEM FOR PROPER OPERATION
- Check the cooling system for the following:
- Check the cooling system for proper coolant flow through the Radiator.
- Check for restrictions of the airflow through the Radiator.
- Verify the cooling fans are turning on and operating properly.
Were any issues found with the cooling system?
Yes
- Perform the appropriate repair in accordance with the Service Information.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
No
- If there are no issues found with the engine cooling system or Transmission cooling system, replace the Transmission in accordance with the Service Information.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
- Check the cooling system for the following: