Diagnostics and testing of gearbox cooling (Focus 1)

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Inspection and verification


1. Check the validity of the customer's complaint by testing the transmission in the block with the driving axle in operation.

2. Visually inspect for obvious signs of mechanical damage.

Visual inspection table


Mechanical factors:
  • Feed and return pipelines
  • Automatic transmission in block with the driving axle and transmission fluid cooler connections
  • Transmission fluid level

3. If an obvious cause for a reported or received complaint is identified, resolve it (if possible) before proceeding with further action.

4. If the cause of the problem is not visually obvious, check the malfunction symptom and refer to the Malfunction Symptom Table.

CAUTION: Do not overtighten the refrigerant line connections. This may damage the fittings.


CAUTION: Do not fix leaks by tightening beyond specification.


General appearance


General appearance


Pos.Spare Part NoName
1 Return pipeline
2 Feed pipeline
3 Transmission fluid cooler


Table of signs of malfunction


StatePossible CausesAction
Transmission fluid leakAutomatic transmission hydraulic connections and transmission fluid coolerCheck the tightness of the pipes. If everything is OK, check the condition of the pipes and connections.


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