WORKHORSE CUSTOM CHASSIS
Service Manual
2007 W Series
SECTION
7.2
PAGE
522
Automatic Transmission – Allison
2007 W Series Chassis
© 2006 Workhorse Custom Chassis — All Rights Reserved
WSM082106
42. Install the transmission fl uid level indicator.
43. If a replacement transmission was installed, perform
the “FastLearn” procedure using a scan tool. Refer to
FastLearn Procedure .
EMERGENCY REMOVAL FROM PARK
In the event that a vehicle must be towed, and the
ECS system cannot be activated to move the vehicle’s
transmission out of Park, the following must be done.
• Connect tow vehicle to disabled vehicle in such a
manner that the disabled vehicle cannot move in either
direction when it is removed from Park.
• Set the tow vehicle’s brakes.
• Chock the tow vehicle’s wheels.
- Set the disabled vehicle’s brakes.
• Chock the disable vehicle’s wheels.
• Remove plug from rear of ECS actuator.
• Insert a 3/16” hex key (allen wrench) into the rear of the
ECS actuator and turn in a clockwise direction until the
transmission comes out of park.
• Be sure to replace the moisture protection plug.
NOTE:
Vehicle can be returned to Park with this feature.
Vehicle can be returned to Park with this feature.
WARNING:
When performing this operation all of the
above must be done in the proper order
to prevent possible injury from unexpected
movement of the tow or disabled vehicles.
NOTE:
Refer to the Allison service information for complete
Refer to the Allison service information for complete
information on towing the chassis.
information on towing the chassis.
ELECTRONIC SHIFT CONTROLLER (ECS)
ACTUATOR INITIAL INSTALLATION
This is the Initial Installation Procedure for a new ECS
Actuator.
Note: If this is not a “fi rst time” installation of a new
actuator, please refer to Arens Controls “ AES-123-C,
Re-Calibration Procedure”.
WARNING:
If the transmission is installed in a chassis,
do the following. Park the vehicle on level
ground. Set the emergency brake and chock/
block the tires to prevent the vehicle from
moving unexpectedly. Turn off the engine.
1. Place the transmission manual shaft in the Neutral
position. This can be done one of two ways.
A.
Line-up the fl ats on the Selector Shaft with the
fi gure cast into the side of the transmission (Figure
#1 and reference illustration #1). This fi gure will be
behind the PNP switch. Do not remove the PNP
switch. Removal of the PNP switch may result in
loss of its calibration. If either of the fl ats on the
selector shaft or the NEUTRAL fi gure that is cast
into the side of the transmission is not visible, use
step “B” to place the transmission into Neutral.
Figure 7-4 (shown with PNP switch removed for
clarity).
B.
Using an adjustable end wrench (Crescent Wrench)
