Component Test

For forward (1, 2, 3, 4) clutch operation, REFER to FORWARD CLUTCH HYDRAULIC CIRCUITS or REFER to FORWARD (1, 2, 3, 4) CLUTCH .

Fig 1: Exploded View Of Forward (1, 2, 3, 4) Clutch

Courtesy of FORD MOTOR CO.

ITEM DESCRIPTION CHART

Item	Service Part Number	Description
1	7D483	Low One-Way Clutch (OWC) snap ring
2	7A089	Low One-Way Clutch (OWC)
3	7B164	Forward clutch friction plates
4	7B442	Forward clutch steel plates
5	7B070	Forward clutch waved cushion spring
6	7H365	Forward clutch piston snap ring
7	7B070	Forward clutch piston return spring
8	7A262	Forward clutch piston
9	7D064	Front sun gear and shell assembly
10	7005	Transaxle case

SYMPTOM CHART

Condition	Possible Sources	Actions
Forward (1, 2, 3, 4) clutch does not apply	Solenoid body filter blocked to Shift Solenoid A (SSA)	CLEAN or REPLACE the solenoid body filter screen. REFER to SOLENOID BODY ASSEMBLY .
	Shift Solenoid A (SSA) mechanically stuck OFF	REPLACE the solenoid body. REFER to SOLENOID BODY ASSEMBLY . Download the new Solenoid Body Strategy into the PCM, REFER to Solenoid Body Strategy Download.
	Forward (1, 2, 3, 4) clutch regulator valve stuck OFF	DISASSEMBLE, CLEAN and INSPECT the forward (1, 2, 3, 4) clutch regulator valve. If bore or valve is damaged, REPLACE the main control valve body. REFER to MAIN CONTROL VALVE BODY .
	Shift Solenoid A (SSA) SIG, CB1234, CB1234 SUP hydraulic circuits blocked/leaking	DISASSEMBLE and INSPECT the main control valve body and separator plate passages for debris/blockage. CLEAN as necessary. REFER to SOLENOID HYDRAULIC CIRCUITS .
	CB1234 seal leaking	REMOVE the main control valve body, REFER to MAIN CONTROL VALVE BODY . INSPECT the CB1234 circuit seal between the main control valve body and the transmission case for missing or damaged seal. REPLACE the seal. REFER to MAIN CONTROL VALVE BODY .
	Front planetary sun gear and shell assembly	INSPECT the sun gear and shell for wear and damage. REPLACE as necessary, REFER to FRONT PLANETARY CARRIER HUB (OUTPUT HUB) .
	Low One-Way Clutch (OWC) snap ring	INSPECT the low One-Way Clutch (OWC) snap ring for proper seating in case. REFER to LOW ONE WAY CLUTCH .
	Low One-Way Clutch (OWC) / Forward (1, 2, 3, 4) clutch steel plate	INSPECT the low One-Way Clutch (OWC)/Forward (1, 2, 3, 4) clutch steel plate surface. REPLACE low One-Way Clutch (OWC) as necessary. REFER to LOW ONE WAY CLUTCH .
	Low One-Way Clutch (OWC) / Forward (1, 2, 3, 4) clutch friction plates	DISASSEMBLE and INSPECT the forward (1, 2, 3, 4) clutch friction and steel plates. REPLACE as necessary. REFER to FORWARD (1, 2, 3, 4) CLUTCH .
	Forward (1, 2, 3, 4) clutch piston seal leakage.	REPLACE the forward (1, 2, 3, 4) clutch piston. REFER to FORWARD (1, 2, 3, 4) CLUTCH .
Forward (1, 2, 3, 4) clutch always applied	Solenoid body filter seal damaged at Shift Solenoid A (SSA)	REPLACE the solenoid body filter screen. REFER to SOLENOID BODY ASSEMBLY .
	Shift Solenoid A (SSA) mechanically stuck ON	REPLACE the solenoid body. REFER to SOLENOID BODY ASSEMBLY . Download the new Solenoid Body Strategy into the PCM, REFER to Solenoid Body Strategy Download.
	Forward (1, 2, 3, 4) clutch regulator valve stuck ON	DISASSEMBLE, CLEAN and INSPECT the forward (1, 2, 3, 4) clutch regulator valve. If bore or valve is damaged, REPLACE the main control valve body. REFER to MAIN CONTROL VALVE BODY .
	Shift Solenoid A (SSA) SIG, CB1234, CB1234 SUP hydraulic circuits blocked/leaking	DISASSEMBLE and INSPECT the main control valve body and separator plate passages for leakage. INSPECT the CB1234 check ball for blocked passage. CLEAN as necessary. REFER to SOLENOID HYDRAULIC CIRCUITS .
	Front planetary sun gear and shell assembly	INSPECT the sun gear and shell for damage that would prevent free rotation. REPLACE as necessary, REFER to FRONT PLANETARY CARRIER HUB (OUTPUT HUB) .
	Forward (1, 2, 3, 4) clutch friction plates	DISASSEMBLE and INSPECT the forward (1, 2, 3, 4) clutch friction and steel plates. REPLACE as necessary. REFER to FORWARD (1, 2, 3, 4) CLUTCH .
	Forward (1, 2, 3, 4) clutch piston return spring	INSPECT the return spring for proper installation and damage. REPLACE as necessary. REFER to FORWARD (1, 2, 3, 4) CLUTCH .
Forward (1, 2, 3, 4) clutch delayed/soft/slipping apply	Incorrect Solenoid Body Strategy programmed into Powertrain Control Module (PCM)	REFER to Solenoid Body Strategy Download.
	Solenoid body filter seal damaged at Shift Solenoid A (SSA)	REPLACE the solenoid body filter screen. REFER to SOLENOID BODY ASSEMBLY .
	Shift Solenoid A (SSA) mechanically sticking	REPLACE the solenoid body. REFER to SOLENOID BODY ASSEMBLY . Perform the Solenoid Body Strategy, REFER to Solenoid Body Strategy Download.
	Forward (1, 2, 3, 4) clutch regulator valve sticking	DISASSEMBLE, CLEAN and INSPECT the forward (1, 2, 3, 4) clutch regulator valve. If bore or valve is damaged, REPLACE the main control valve body. REFER to MAIN CONTROL VALVE BODY .
	Forward (1, 2, 3, 4) clutch boost valve stuck ON	DISASSEMBLE, CLEAN and INSPECT the forward (1, 2, 3, 4) clutch boost valve and bias spring. If bore, valve or spring is damaged, REPLACE the main control valve body. REFER to MAIN CONTROL VALVE BODY .
	Shift Solenoid A (SSA) SIG, CB1234, CB1234 SUP hydraulic circuits blocked/leaking	DISASSEMBLE and INSPECT the main control valve body and separator plate passages for debris/blockage. CLEAN as necessary. REFER to SOLENOID HYDRAULIC CIRCUITS .
	C1234 seal leaking	REMOVE the main control valve body, REFER to MAIN CONTROL VALVE BODY . INSPECT the CB1234 circuit seal between the main control valve body and the transaxle case for missing or damaged seal. REPLACE the seal. REFER to MAIN CONTROL VALVE BODY .
	Low One-Way Clutch (OWC)/Forward (1, 2, 3, 4) clutch pressure plate	INSPECT the low One-Way Clutch (OWC)/Forward (1, 2, 3, 4) clutch pressure plate surface. REPLACE low One-Way Clutch (OWC) as necessary.
	Forward (1, 2, 3, 4) clutch friction plates	DISASSEMBLE and INSPECT the forward (1, 2, 3, 4) clutch friction and steel plates. REPLACE as necessary. REFER to FORWARD (1, 2, 3, 4) CLUTCH .
	Forward (1, 2, 3, 4) clutch piston return spring	INSPECT the return spring for proper installation and damage. REPLACE as necessary. REFER to FORWARD (1, 2, 3, 4) CLUTCH .
Forward (1, 2, 3, 4) clutch harsh apply	Incorrect Solenoid Body Strategy programmed into Powertrain Control Module (PCM)	REFER to Solenoid Body Strategy Download.
	Shift Solenoid A (SSA) mechanically sticking	REPLACE the solenoid body. REFER to SOLENOID BODY ASSEMBLY . Perform the Solenoid Body Strategy, REFER to Solenoid Body Strategy Download.
	Forward (1, 2, 3, 4) clutch regulator valve sticking	DISASSEMBLE, CLEAN and INSPECT the forward (1, 2, 3, 4) clutch regulator valve and bias spring. If bore, valve or spring is damaged, REPLACE the main control valve body. REFER to MAIN CONTROL VALVE BODY .
	Forward (1, 2, 3, 4) clutch boost valve sticking	DISASSEMBLE, CLEAN and INSPECT the forward (1, 2, 3, 4) clutch boost valve and bias spring. If bore, valve or spring is damaged, REPLACE the main control valve body. REFER to MAIN CONTROL VALVE BODY .
	Shift Solenoid A (SSA) SIG, CB1234, CB1234 SUP hydraulic circuits blocked/leaking	DISASSEMBLE and INSPECT the main control valve body and separator plate passages for leakage. INSPECT CB1234 check ball for blocked passage. CLEAN as necessary. REFER to SOLENOID HYDRAULIC CIRCUITS .
	Forward (1, 2, 3, 4) clutch piston return spring	INSPECT the return spring for proper installation and damage. REPLACE as necessary. REFER to FORWARD (1, 2, 3, 4) CLUTCH .
	Forward (1, 2, 3, 4) clutch friction plates	DISASSEMBLE and INSPECT the forward (1, 2, 3, 4) clutch friction and steel plates. REPLACE as necessary. REFER to FORWARD (1, 2, 3, 4) CLUTCH .