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High Performance
Price & Application Lists
Products & Services
Miscellaneous
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AutoLoc Transmission Controls
The BD AutoLoc is a computer that commands the torque convertor
lock-up clutch to stay applied when an exhaust brake is engaged.
The AutoLoc ensures that 100% of the retarding force is being transferred
in 3rd and 4th gears, thus, transmission oil temperatures remain low because
convertor slippage no longer occurs in these gears. The lock-up clutch
and brake automatically disengage at low speeds to prevent stalling and
transmission and convertor damage.
The convertor lock up clutch applies with accelerator pedal pressure,
and the AutoLoc captures this signal. After shifting out or into overdrive
in Dodge trucks, apply heavy accelerator pedal pressure or quickly release
the pedal and the lock up clutch will engage.
Exhaust brakes cause high automatic fluid temperatures due to the torque
converter slippage and without a AutoLoc only 10-80% of the retarding
force is transferred through the (unlocked) fluid coupling of a torque
convertor.
You can drive the truck with the AutoLoc engaged all the time. If you
experience a shutter when you slow down in over drive with the AutoLoc
engaged, you need to have the AutoLoc reset to disengage at a higher vehicle
speed. However, variances occur due to rear ratios and tire sizes.
For prices, please visit our Dodge or Chevy pages.
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