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Home >> Ford >> 2012 >> Explorer Limited, 3.5 8, AWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission (6F50/6F55) -- Explorer >> Diagnosis And Testing >> Automatic Transmission >> Component Tests >> Direct Clutch System

Direct Clutch System

For direct clutch operation, REFER to HYDRAULIC SYSTEM  or MECHANICAL SYSTEM .

G08412388Courtesy of FORD MOTOR CO.
Item Part Number Description
1 7C122 Snap ring - direct clutch cylinder
2 7F283 Direct clutch cylinder
3 7A262 Direct clutch piston
4 7F235 Return spring - direct clutch piston
5 - Direct clutch piston seals
6 7G348 Input shaft (part of direct/overdrive clutch assembly)
7 7B164 Direct clutch friction plates
8 7E085 Direct clutch wave spring
9 7B442 Direct clutch steel plates
10 7B066 Direct clutch pressure plate
11 7D483 Direct clutch snap ring
12 7A019 Rear planetary sun gear and shell assembly
DIRECT CLUTCH SYSTEM

Condition Possible Sources Action
  • Direct (3, 5, R) clutch does not apply
  • Solenoid body filter blocked to SSB 
  • SSB  mechanically stuck OFF
  • Direct (3, 5, R) clutch regulator valve stuck OFF
  • DISASSEMBLE, CLEAN and INSPECT the direct (3, 5, R) clutch regulator valve. If bore or valve is damaged, INSTALL a new main control valve body. REFER to MAIN CONTROL VALVE BODY .
  • SSB  SIG, C35R, C35R 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 HYDRAULIC SYSTEM .
  • REV SUPPLY/DRIVE 2 to C35R SUP check ball missing/damaged
  • REMOVE the main control valve body and INSPECT the check ball missing/damage. REFER to MAIN CONTROL VALVE BODY .
  • C35R supply hydraulic circuit blocked or leaking
  • DISASSEMBLE and INSPECT the transmission cover and support tower passages for debris/blockage. CLEAN as necessary. REFER to HYDRAULIC SYSTEM .
  • Rear planetary sun gear and shell assembly
  • INSPECT the sun gear and shell for wear and damage. INSTALL new components as necessary.
  • Direct (3, 5, R) clutch friction plates
  • DISASSEMBLE and INSPECT the direct (3, 5, R) clutch friction and steel plates. INSTALL new components as necessary. REFER to MECHANICAL SYSTEM .
  • Direct (3, 5, R) clutch piston seal leakage
  • INSTALL a new direct (3, 5, R) clutch piston and seals. REFER to MECHANICAL SYSTEM .
  • Direct (3, 5, R) clutch always applied
  • Solenoid body filter seal damaged at SSB 
  • SSB  mechanically stuck ON
  • Direct (3, 5, R) clutch regulator valve stuck ON
  • DISASSEMBLE, CLEAN and INSPECT the direct (3, 5, R) clutch regulator valve and bias spring. If bore or valve is damaged, INSTALL a new main control valve body. REFER to MAIN CONTROL VALVE BODY .
  • SSB  SIG, C35R, C35R SUP hydraulic circuits blocked/leaking
  • DISASSEMBLE and INSPECT the main control valve body and separator plate passages for leakage. CLEAN as necessary. REFER to HYDRAULIC SYSTEM .
  • Rear planetary sun gear and shell assembly
  • INSPECT the sun gear and shell for damage that would prevent free rotation. INSTALL new components as necessary.
  • Direct (3, 5, R) clutch friction plates
  • DISASSEMBLE and INSPECT the direct (3, 5, R) clutch friction and steel plates. INSTALL new components as necessary. REFER to MECHANICAL SYSTEM .
  • Direct (3, 5, R) clutch piston return spring.
  • INSPECT the return spring for damage. INSTALL new components as necessary. REFER to MECHANICAL SYSTEM .
  • Direct (3, 5, R) clutch delayed/soft/slipping apply
  • Incorrect Solenoid Body Strategy programmed into PCM
  • Solenoid body filter seal damaged at SSB 
  • SSB  mechanically sticking
  • Direct (3, 5, R) clutch regulator valve sticking
  • DISASSEMBLE, CLEAN and INSPECT the direct (3, 5, R) clutch regulator valve. If bore or valve is damaged, INSTALL a new main control valve body. REFER to MAIN CONTROL VALVE BODY .
  • Direct (3, 5, R) clutch latch valve stuck ON
  • DISASSEMBLE, CLEAN and INSPECT the direct (3, 5, R) clutch boost valve and bias spring. If bore, valve or spring is damaged, INSTALL a new main control valve body. REFER to MAIN CONTROL VALVE BODY .
  • SSB  SIG, C35R, C35R 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 HYDRAULIC SYSTEM .
  • REV SUPPLY/DRIVE 2 to C35R SUP check ball missing/damaged
  • REMOVE the main control valve body and INSPECT the check ball missing/damage. REFER to MAIN CONTROL VALVE BODY .
  • C35R supply hydraulic circuit blocked or leaking
  • DISASSEMBLE and INSPECT the transmission cover and support tower passages for debris/blockage. CLEAN as necessary. REFER to HYDRAULIC SYSTEM .
  • Direct (3, 5, R) clutch friction plates
  • DISASSEMBLE and INSPECT the direct (3, 5, R) clutch friction and steel plates. INSTALL new components as necessary. REFER to MECHANICAL SYSTEM .
  • Direct (3, 5, R) clutch piston seal leakage
  • INSTALL a new direct (3, 5, R) clutch piston and seals. REFER to MECHANICAL SYSTEM .
  • Direct (3, 5, R) clutch harsh apply
  • Incorrect Solenoid Body Strategy programmed into PCM
  • SSB  mechanically sticking
  • Direct (3, 5, R) clutch regulator valve sticking
  • DISASSEMBLE, CLEAN and INSPECT the direct (3, 5, R) clutch regulator valve and bias spring. If bore, valve or spring is damaged, INSTALL a new main control valve body. REFER to MAIN CONTROL VALVE BODY .
  • Direct (3, 5, R) clutch latch valve sticking
  • DISASSEMBLE, CLEAN and INSPECT the direct (3, 5, R) clutch boost valve and bias spring. If bore, valve or spring is damaged, INSTALL a new main control valve body. REFER to MAIN CONTROL VALVE BODY .
  • SSB  SIG, C35R, C35R 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 HYDRAULIC SYSTEM .
  • Direct (3, 5, R) clutch friction plates
  • DISASSEMBLE and INSPECT the direct (3, 5, R) clutch friction and steel plates. INSTALL new components as necessary. REFER to MECHANICAL SYSTEM .
  • Direct (3, 5, R) clutch piston return spring
  • INSPECT the return spring for proper installation and damage. INSTALL new components as necessary. REFER to MECHANICAL SYSTEM .