Page 57
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4LHD/4LHDX Application Manual
Powertrain Control Solutions
REV 1.1
Transmission Range Selection System Kinematic Relationship
Requirements
The transmission Park system is designed for park engagement with the transmission detent roller located in the Park
valley of the detent lever. The range selection system must be designed to ensure that the roller is in the Park valley when
the range selection lever is in the minimum Park gate position.
Denitions
Minimum Park Gate: The operator lever position closest to Reverse that will allow the shifter pawl to enter the park gate
Reference Figure 2.4.2-3.
Lost System Motion: The difference between range selection lever movement and transmission detent lever movement.
Lost system motion consists of system lash and component deection.
Figure 2.4.2-3 Minimum Park Gate Position
RevSheet 7224214609
FIGURE 3.4.4.1-1 Minimum Park Gate Position
3.4.4. Transmission Range Selection System Kinematic Relationship
Requirements
The transmission Park system is designed for park engagement with the
transmission detent roller located in the Park valley of the detent lever. The range
selection system must be designed to ensure that the roller is in the Park valley when
the range selection lever is in the minimum Park gate position.
Definitions
Minimum Park Gate: The operator lever position closest to Reverse that will allow
the shifter pawl to enter the park gate (Figure 3.4.4.1-1).
Lost System Motion: The difference between range selection lever movement and
transmission detent lever movement. Lost system motion consists of system lash
and component deflection.
SELECTOR IN MINIMUM
PARK GATE POSITION
PARK GATE
PAWL
R
N
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