Lincoln Corsair Manuals

Lincoln Corsair: Automatic Transmission - 8-Speed Automatic Transmission – 8F35/8F40 / Specifications


  Lubricants, Fluids, Sealers and Adhesives


  Specifications
Motorcraft® MERCON® ULV Automatic Transmission Fluid / XT-12-QULV MERCON® ULV / WSS-M2C949-A

  Transmission Fluid Capacities


Automatic Transmission Fluid Prefill Capacity*
Dry Transmission   8.45  qt ( 8  L)

*A Fluid Level Check is mandated and needs to be performed. The "Prefill Capacity" volume is only the first prefill of a dry transmission. Fluid level check must be performed when the engine runs at idle.
For additional information, refer to: Transmission Fluid Level Check (307-01A Automatic Transmission - 8-Speed Automatic Transmission – 8F35/8F40, General Procedures).

  General Specification


Transmission Weight
8F35   202.83  lb ( 92  kg)

  Gear Ratios


Gear Gear Ratio Final Drive
1st 4.689:1 3.47
2nd 3.306:1 3.47
3rd 3.012:1 3.47
4th 1.923:1 3.47
5th 1.446:1 3.47
6th 1.000:1 3.47
7th 0.747:1 3.47
8th 0.617:1 3.47
Reverse 2.960:1 3.47

  8F35 - 1" Chain 8F40 - 1 1/8" Chain


Drive Gear Tooth Count Driven Gear Tooth Count Transfer Chain Ratio Final Drive Planetary Ratio Final Drive Ratio
40 48 1.20 3.17 3.81
41 47 1.15 3.17 3.64
42 46 1.10 3.17 3.47
43 45 1.05 3.17 3.32
44 44 1.00 3.17 3.17
46 42 0.91 3.17 2.90

  Solenoid Operation Chart


Base Selector Lever Position PCM Commanded Gear SSA (1, 2, 3, 4, 5) SSB (4, 6, R) SSC (3, 7) SSD (R, 1) SSE (5, 6, 7, 8) SSF (2, 8)
P P Off Off Off On Off On
R R Off On Off On Off Off
N N Off Off Off On Off Off
D 1 On Off Off Off Off Off
  2 On Off Off Off Off On
  3 On Off On Off Off Off
  4 On On Off Off Off Off
  5 On Off Off Off On Off
  6 Off On Off Off On Off
  7 Off Off On Off On Off
  8 Off Off Off Off On On

  Clutch Application Chart


Gear Clutch A (1, 2, 3, 4, 5) Clutch B (4, 6) Clutch C (3, 7) One-Way Clutch (1) Hydraulic Selectable One-Way Clutch (SOWC) (1) Clutch E (5, 6, 7, 8) Clutch F (2, 8)
Reverse   D     H    
1st Gear D H     H      
2nd Gear D H           H
3rd Gear D H   H        
4th Gear D H D          
5th Gear D H         D  
6th Gear D   D       D  
7th Gear D     H     D  
8th Gear D           D H
1st Gear Manual H     H H    
Planetary Component Output Sun Reaction Sun Reaction Sun Reaction/Overdrive carrier/Input Ring gear Reaction/Overdrive carrier/Input Ring gear Reaction/Overdrive carrier/Input Ring gear Reaction/Overdrive carrier/Input Ring gear

  • H = Holding
  • D = Driven

    Automatic Transmission - 8-Speed Automatic Transmission – 8F35/8F40

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