Lincoln Corsair: Transmission Cooling - Automatic Transmission – HF45 / Diagnosis and Testing - Transmission Cooling

Lincoln Corsair 2020-2026 Service Manual / Powertrain / Automatic Transmission / 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 - Plug-In Hybrid Electric Vehicle (PHEV) (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 - Plug-In Hybrid Electric Vehicle (PHEV) (307-01B Automatic Transmission - Automatic Transmission – HF45, Disassembly).
- Inspect internal transmission components for indications of overheating. REFER to: Transmission - Plug-In Hybrid Electric Vehicle (PHEV) (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).

Description and Operation - Transmission Cooling - Plug-In Hybrid Electric Vehicle (PHEV) - Overview

Overview The transmission fluid cooling system consists of the following: Transmission fluid cooler tubes Transmission fluid cooler Transmission fluid auxiliary pump Transmission fluid auxiliary pump inlet tube This vehicle is equipped with an external transmission fluid cooler...

General Procedures - Transmission Fluid Cooler - Backflushing and Cleaning - Plug-In Hybrid Electric Vehicle (PHEV)

Special Tool(s) / General Equipment Transmission Cooling System Heated Flusher Materials Name Specification Motorcraft® MERCON® ULV Automatic Transmission FluidXT-12-QULV WSS-M2C949-A, MERCON® ULV Activation NOTE: Use transmission fluid specified for this transmission...

Other information:

Lincoln Corsair 2020-2026 Service Manual: Diagnosis and Testing - Electric Powertrain Control

Diagnostic Trouble Code (DTC) Chart Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices. SGM REFER to: Diagnostic Methods (100-00 General Information, Description and Operation). Module DTC Description Action APIM U0293:00 Lost Communication With Hybrid/EV Powertrain Control Module 'A': No Sub Type Information GO to Pinpo..

Lincoln Corsair 2020-2026 Owners Manual: Adaptive Headlamps (IF EQUIPPED)

About Adaptive Headlamps The headlamps are designed to adapt when you are steering around a curve, or if the camera detects lane markings indicating a curve or traffic signs indicating an intersection. The system is designed to operate if all of the following occur: You switch the system on through your vehicle settings. You set the lighting control to the autolamps position. The ambi..

Adjusting the Steering Wheel - Vehicles With: Power Adjustable Steering Column

WARNING: Do not adjust the steering wheel when your vehicle is moving.

Note: Make sure that you are sitting in the correct position.

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