Range Valve

Special Instructions

The Range Valve may be difficult to remove from the Transmission Housing because of the O-rings.

Special Tools

  • Basic hand tools

Component Identification

_Graphics/Web/solcover.png

1. Protective Cover (Optional)

2. Cap Screw

3. Valve

4. O-rings

Range Valve Removal

  1. If equipped, remove the Protective Cover by pulling up on the release tab.

    _Graphics/Web/TRTS0980_range cover.png
  2. Relieve system air pressure by draining air tanks on the vehicle. When air pressure has been relieved, disconnect the Transmission Harness from the Range Valve.

    Note: The harness should be removed from the Range Valve cable tie prior to removing the cap screws.

    _Graphics/Web/TRSM0980_Range cylinder trans harness RR.png
  3. Using a 5/16” socket, remove the 4 mounting cap screws from the Range Valve.

    _Graphics/Web/TRTS0980_range cylinder 1.png
  4. Lift and remove the Range Valve from the housing.

    Caution
    Do not use a hammer to loosen the Range Valve in the housing or it could be damaged.
    _Graphics/Web/TRTS0980_range cylinder 2.png

Range Valve Installation

Notice
Lubricate O-rings with Eaton Fuller silicone 71214 or equivalent.
Notice
The valve is keyed to fit its mounting location. Take care to align the key with the notch in the housing.
  1. Install and push the Range Valve down into the housing.

    _Graphics/Web/TRTS0980_range cylinder 2.png
  2. Using a 5/16” socket, install the 4 Range Valve mounting cap screws and tighten to 21–27 lb-in (2.3–3.0 N•m) using a cross pattern.

    _Graphics/Web/TRTS0980_range cylinder 1.png
  3. Reconnect the Transmission Harness to the Range Valve and close all air tanks drains.

    Note: Install the Range Harness back into the cable tie on the Range Valve.

    _Graphics/Web/TRSM0980_Range cylinder trans harness RR.png
  4. If equipped, install the Protective Cover. Push the cover down by hand until it snaps into place.

    _Graphics/Web/TRTS0980_range cover.png