Transmissions: Automatic Transmissions: Servos & clutches
Rear servo
 
The rear servo in a Borg Warner 35 transmission is a pressure apply / spring release type.
 
Front servo
 
The front servo in a Borg Warner 35 transmission is a pressure apply / pressure release type with unequal piston areas.
 
One way clutch
 
In the Borg Warner 35 transmission a one-way clutch is located between the centre support and the planet carrier.
 
Multi-plate front clutch
 
In the Borg Warner 35 transmission the front clutch is a multi-plate type which is engaged in all forward gears.
 
Clutch pack
 
There are two sets of plates in a clutch pack; driving plates and driven plates.
 
Rear clutch
 
The rear clutch is engaged in third gear together with the front clutch, and in reverse gear together with the rear band.