Ford Escape 2020-2026 Service Manual / Powertrain / Automatic Transmission / Transmission Cooling - Automatic Transmission – HF45 / Diagnosis and Testing - Transmission Cooling

Ford Escape: Transmission Cooling - Automatic Transmission – HF45 / Diagnosis and Testing - Transmission Cooling

Principles of Operation

Inspection and Verification

Verify the customer concern by operating the vehicle to duplicate the condition.

If the inspection reveals an obvious concern(s) that can be readily identified, repair as necessary.

Install new components if a transmission fluid leak is found in any of the transmission cooling components.

If the cause is not visually evident, verify the symptom and refer to the Symptom Chart.

Symptom Chart

Symptom	Action
Transmission overheating	GO to Pinpoint Test A

Pinpoint Tests

PINPOINT TEST A: TRANSMISSION OVERHEATING

Normal Operation and Fault Conditions

Plugged or damaged transmission fluid cooler or transmission fluid cooler tubes
- Inspect the transmission fluid cooler and the transmission fluid cooler tubes for damage or plugging. INSTALL new components as necessary.REFER to: Transmission Fluid Cooler Tubes (307-02B Transmission Cooling - Automatic Transmission – HF45, Removal and Installation).
Active grille shutter stuck in closed position
- Resolve any faults with the active grille shutter. REFER to: Active Grille Shutter (501-02 Front End Body Panels, Diagnosis and Testing).
System leaks
- Inspect transmission fluid cooler and transmission fluid cooler tubes for leaks. SERVICE as required.
Internal transmission concerns
- Inspect the transmission fluid pump and filter assembly. REFER to: Transmission (307-01B Automatic Transmission - Automatic Transmission – HF45, Disassembly).
- Inspect internal transmission components for indications of overheating. REFER to: Transmission (307-01B Automatic Transmission - Automatic Transmission – HF45, Disassembly).
  REFER to: Transmission Case Cover (307-01B Automatic Transmission - Automatic Transmission – HF45, Removal and Installation).

Possible Sources

Damaged transmission cooler or cooler tubes
Inoperative active grille shutter
Transmission fluid leak
Internal transmission components

Diagnostic steps are not provided for this symptom or DTC. REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).

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Other information:

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Vehicle Identification

Locating the Vehicle Identification Number

The vehicle identification number is on the left-hand side of the instrument panel.

Ford Escape. Vehicle Identification