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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 273 (Front Suspension & Wheel Alignment - 1500) >> Air Suspension >> Sensor, Height >> Installation >> Rear

Sensor, Height: Installation: Rear

WARNING: This page is about a different car, the 2013 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:

All pressurized air suspension components contain high pressure air (up to 220 psig). Use extreme caution when inspecting for leaks. Wear safety goggles and adequate protective clothing when inspecting or servicing the air suspension system. A sudden release of air under this amount of pressure can cause possible serious or fatal injury.

WARNING:

Support the vehicle by supplemental means before performing any work on the air suspension system to prevent the vehicle from changing height. Before any given component is to be serviced it must be deflated. Servicing the air suspension system without supplemental support, or with pressure in the specific component, can cause possible serious or fatal injury.

Fig 1: Rear Height Sensor
GC0154582Courtesy of CHRYSLER GROUP, LLC
  1. Position the height sensor, bracket and link to the frame.
  2. Install the two height sensor bracket to frame fasteners (2) and tighten to 9 N.m (80 in. lbs.).
  3. Align the height sensor link (4) with the ball stud on the lower control arm. Press the link socket over the ball stud until it snaps into position.
  4. Connect the wire harness connector (3) to the height sensor.
  5. Install rear inner wheel liner.
  6. Remove the supports and lower the vehicle.
  7. Perform the Curb Height Measurement to get values for input to the scan tool in the next step Refer to WHEEL ALIGNMENT, STANDARD PROCEDURE .
    NOTE:

    Make sure the scan tool preferences are set to metric. When writing the measured values to the Air Suspension Control Module (ASCM) they will need to be in millimeters.

  8. With a scan tool, using the routines under the ASCM, perform the following:
    • Perform the Curb Height Measurement and record the values for input to the scan tool. Refer to WHEEL ALIGNMENT, STANDARD PROCEDURE .
    • Perform the Write Suspension Height Values routine and input measurements recorded as prompted by scan tool.
    • Command the vehicle to Normal Ride Height (NRH) again.
    • Perform the Curb Height Measurement again and verify specifications. Refer to WHEEL ALIGNMENT, STANDARD PROCEDURE .
    • Run the Air Mass Calculation routine on the air suspension system.
    • If necessary, add to the system or deflate to atmosphere using the ASCM routines, then repeat the Air Mass Calculation routine again until the system responds with Air Mass OK (188 to 216 bar-liters).
    • Run the Height Sensor Check routine on the air suspension system.
    • Enable the air suspension system.
  9. Perform the ASCM VERIFICATION TEST. Refer to STANDARD PROCEDURE .