Lincoln Aviator 2020-2024 Service Manual / Powertrain / Automatic Transmission / Automatic Transmission - 10-Speed Automatic Transmission – 10R60 / Diagnosis and Testing - B Clutch

Lincoln Aviator: Automatic Transmission - 10-Speed Automatic Transmission – 10R60 / Diagnosis and Testing - B Clutch

Symptom Chart

B Clutch

For B clutch operation,
REFER to: B Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Description and Operation).

B Clutch

Condition	Possible Sources	Action
B clutch does not apply	SSB is mechanically stuck OFF	INSTALL a new solenoid. REFER to: Shift Solenoids (SS) (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Removal and Installation).
	B clutch control valve stuck OFF	DISASSEMBLE, CLEAN and INSPECT the B clutch control valve. If the bore or valve is damaged, INSTALL a new main control valve body. REFER to: Main Control Valve Body (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Removal and Installation).
	B clutch latch valve stuck OFF	DISASSEMBLE, CLEAN and INSPECT the B clutch latch valve. If the bore or valve is damaged, INSTALL a new main control valve body. REFER to: Main Control Valve Body (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Removal and Installation).
	B clutch hydraulic circuit blocked/leaking	DISASSEMBLE and INSPECT the main control valve body and separator plate passages for debris, blockage and leaks. CLEAN as necessary. REFER to: Main Control Valve Body (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Removal and Installation).
	B clutch hydraulic circuit blocked/leaking	CARRY OUT the air pressure test on the B clutch. REFER to: Special Testing Procedures (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing). If a leak is detected, INSPECT the front support assembly and B clutch piston seals for leaks. INSTALL new components as necessary. REFER to: Transmission (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Overhaul).
	Front support assembly, sun gear no. 1	DISASSEMBLE and INSPECT the front support assembly hydraulic passages for debris, blockage and leaks. INSPECT the front support assembly and sun gear no. 1 for wear and damage. CLEAN or INSTALL new components as necessary. REFER to: Transmission (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Overhaul).
	B clutch piston seals	DISASSEMBLE and INSPECT the B clutch piston seals for wear and damage. INSTALL new components as necessary. REFER to: Transmission (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Overhaul).
	B clutch friction plates	DISASSEMBLE and INSPECT the B clutch friction and steel plates for wear and damage. INSTALL new components as necessary. REFER to: Transmission (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Overhaul).
B clutch always applied	SSB mechanically stuck	INSTALL a new solenoid. REFER to: Shift Solenoids (SS) (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Removal and Installation).
	B clutch control valve stuck ON	DISASSEMBLE, CLEAN and INSPECT the B clutch control valve. If the bore or valve is damaged, INSTALL a new main control valve body. REFER to: Main Control Valve Body (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Removal and Installation).
	B clutch latch valve stuck ON	DISASSEMBLE, CLEAN and INSPECT the B clutch latch valve. If the bore or valve is damaged, INSTALL a new main control valve body. REFER to: Main Control Valve Body (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Removal and Installation).
	B clutch hydraulic circuit cross leaks	DISASSEMBLE and INSPECT the main control valve body and separator plate passages for cracks, warping and damage. If damage is found, INSTALL a new main control valve body. REFER to: Main Control Valve Body (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Removal and Installation).
	Front support assembly, sun gear no. 1	DISASSEMBLE and INSPECT the components for wear and damage. INSTALL new components necessary. REFER to: Transmission (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Overhaul).
	B clutch separating springs	DISASSEMBLE and INSPECT the B clutch separating springs for damage. INSTALL new components as necessary. REFER to: Transmission (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Overhaul).
	B clutch friction plates	DISASSEMBLE and INSPECT the B clutch friction and steel plates for wear and damage. INSTALL new components as necessary. REFER to: Transmission (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Overhaul).
B clutch delayed/soft/slipping apply	Incorrect transmission strategy programmed into PCM/ TCM.	CARRY OUT the Transmission Strategy Download and the Adaptive Learning Drive Cycle. REFER to: Transmission Strategy Download (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, General Procedures). REFER to: Adaptive Learning Drive Cycle (307-01B Automatic Transmission - 10-Speed Automatic Transmission – 10R80 MHT, General Procedures).
	Low line pressure	CARRY OUT the line pressure test. If line pressure is low, REFER to the Line Pressure Diagnosis Chart. REFER to: Special Testing Procedures (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
	SSB mechanically sticking	If the vehicle has less than 5,000 miles (8,000 km), CARRY OUT the PCM - Transmission Accelerated Main Control Break In routine 3 times using the diagnostic scan tool. For all other vehicles, INSTALL a new solenoid. REFER to: Shift Solenoids (SS) (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Removal and Installation).
	B clutch control valve sticking	If the vehicle has less than 5,000 miles (8,000 km), CARRY OUT the PCM - Transmission Accelerated Main Control Break In routine 3 times using the diagnostic scan tool. For all other vehicles, DISASSEMBLE, CLEAN and INSPECT the B clutch control valve. If the bore or valve is damaged, INSTALL a new main control valve body. REFER to: Main Control Valve Body (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Removal and Installation).
	B clutch latch valve sticking	If the vehicle has less than 5,000 miles (8,000 km), CARRY OUT the PCM - Transmission Accelerated Main Control Break In routine 3 times using the diagnostic scan tool. For all other vehicles, DISASSEMBLE, CLEAN and INSPECT the B clutch latch valve. If the bore or valve is damaged, INSTALL a new main control valve body. REFER to: Main Control Valve Body (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Removal and Installation).
	B clutch hydraulic circuits blocked/leaking	DISASSEMBLE and INSPECT the main control valve body and separator plate passages for debris, blockage and leaks. CLEAN as necessary. REFER to: Main Control Valve Body (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Removal and Installation).
	B clutch hydraulic circuits blocked/leaking	CARRY OUT the air pressure test on the B clutch. REFER to: Special Testing Procedures (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing). If a leak is detected, INSPECT the front support assembly and B clutch piston seals for leaks. INSTALL new components as necessary. REFER to: Transmission (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Overhaul).
	B clutch piston seals	DISASSEMBLE and INSPECT the B clutch piston seals for wear and damage. INSTALL new components as necessary. REFER to: Transmission (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Overhaul).
	B clutch friction plates	DISASSEMBLE and INSPECT the B clutch friction and steel plates for wear and damage. INSTALL new components as necessary. REFER to: Transmission (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Overhaul).
B clutch harsh apply	Incorrect transmission strategy programmed into PCM/ TCM.	CARRY OUT the Transmission Strategy Download and the Adaptive Learning Drive Cycle. REFER to: Transmission Strategy Download (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, General Procedures). REFER to: Adaptive Learning Drive Cycle (307-01B Automatic Transmission - 10-Speed Automatic Transmission – 10R80 MHT, General Procedures).
	High line pressure	CARRY OUT the line pressure test. If line pressure is high, REFER to the Line Pressure Diagnosis Chart. REFER to: Special Testing Procedures (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
	SSB mechanically sticking	If the vehicle has less than 5,000 miles (8,000 km), CARRY OUT the PCM - Transmission Accelerated Main Control Break In routine 3 times using the diagnostic scan tool. For all other vehicles, INSTALL a new solenoid. REFER to: Shift Solenoids (SS) (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Removal and Installation).
	B clutch control valve sticking	If the vehicle has less than 5,000 miles (8,000 km), CARRY OUT the PCM - Transmission Accelerated Main Control Break In routine 3 times using the diagnostic scan tool. For all other vehicles, DISASSEMBLE, CLEAN and INSPECT the B clutch control valve. If the bore or valve is damaged, INSTALL a new main control valve body. REFER to: Main Control Valve Body (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Removal and Installation).
	B clutch latch valve sticking	If the vehicle has less than 5,000 miles (8,000 km), CARRY OUT the PCM - Transmission Accelerated Main Control Break In routine 3 times using the diagnostic scan tool. For all other vehicles, DISASSEMBLE, CLEAN and INSPECT the B clutch latch valve. If the bore or valve is damaged, INSTALL a new main control valve body. REFER to: Main Control Valve Body (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Removal and Installation).
	B clutch hydraulic circuit blocked/leaking	DISASSEMBLE and INSPECT the main control valve body and separator plate passages for debris, blockage and leaks. CLEAN as necessary. REFER to: Main Control Valve Body (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Removal and Installation).
	B clutch separating springs	DISASSEMBLE and INSPECT the B clutch separating springs for damage. INSTALL new components as necessary. REFER to: Transmission (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Overhaul).
	B clutch friction plates	DISASSEMBLE and INSPECT the B clutch friction and steel plates for wear and damage. INSTALL new components as necessary. REFER to: Transmission (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Overhaul).

Diagnosis and Testing - A Clutch

Symptom Chart A Clutch For A clutch operation, REFER to: A Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Description and Operation)...

Diagnosis and Testing - C Clutch

Symptom Chart C Clutch For C clutch operation, REFER to: C Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Description and Operation)...

Other information:

Lincoln Aviator 2020-2024 Service Manual: Removal and Installation - Transmission Fluid Pan, Gasket and Filter

Materials Name Specification Motorcraft® MERCON® ULV Automatic Transmission FluidXT-12-QULV WSS-M2C949-A, MERCON® ULV Removal With the vehicle in NEUTRAL, position it on a hoist. Refer to: Jacking and Lifting (100-02 Jacking and Lifting, Description and Operation)...

Lincoln Aviator 2020-2024 Service Manual: Specifications

Lubricants, Fluids, Sealants and Adhesives Name Specification Fill Capacity Motorcraft® Yellow Concentrated Antifreeze/CoolantVC-13-G WSS-M97B57-A1 16.4 qt (15.5L) Motorcraft® Yellow Prediluted Antifreeze/CoolantVC-13DL-G WSS-M97B57-A2 16...

Activating Intelligent Access

The intelligent access key must be within 3 ft (1 m) of the door or luggage compartment you intend to lock or unlock.

At a Door

Electronic door handles are on each door. Gently depress the switch inside the exterior door handle to unlock and open the door. An unlock symbol illuminates on the door window trim indicating your vehicle is unlocked.

Lincoln Aviator. Activating Intelligent Access