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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 273 (Front Suspension & Wheel Alignment - 1500) >> Front, Independent Front Suspension >> Shock Absorber, Suspension >> Installation >> With Air Suspension (Ser)

With Air Suspension (Ser)

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.

CAUTION:

When removing an air line from a component and the air line is to be reused, do not remove the 90° fitting or the brass fitting from the air line. If either is removed, the air line must be replaced. New components have air line fittings attached; however if the original air line is used the original fitting must also be used. Do not remove protective caps or plugs from air lines or components until ready to install the air line to prevent moisture or dirt intrusion. All air line fittings must be hand started to avoid cross threading.

NOTE:

All suspension components should be tighten with the weight of the vehicle on them (curb height).

Fig 1: Shock Assembly And Stabilizer Link Lower Nut
GC0154431Courtesy of CHRYSLER GROUP, LLC
  1. Install the shock (1) back in place in the vehicle.
    Fig 2: Air Lines/Fittings At Front Air Suspension Spring & Shock Assemblies
    GC0154417Courtesy of CHRYSLER GROUP, LLC
  2. Install the upper part of the shock into the frame bracket.
  3. Install the upper nuts (1) and tighten to specifications. Refer to FRONT, INDEPENDENT FRONT SUSPENSION, SPECIFICATIONS .
    Fig 3: Air Suspension Spring & Shock Absorber
    GC0154368Courtesy of CHRYSLER GROUP, LLC
  4. Install the lower part of the shock into the lower control arm shock bushing.
  5. Install and position bolt so head of bolt is facing rearward of vehicle and hand start nut. Tighten the bolt and nut to specifications. Refer to FRONT, INDEPENDENT FRONT SUSPENSION, SPECIFICATIONS .
  6. Install the upper ball joint to the knuckle and install the retaining nut and tighten to specifications. Refer to FRONT, INDEPENDENT FRONT SUSPENSION, SPECIFICATIONS .
  7. Install the axle hub nut and tighten to specifications. Refer to FRONT, INDEPENDENT FRONT SUSPENSION, SPECIFICATIONS .
  8. Install the stabilizer link lower nut and tighten to specifications. Refer to FRONT, INDEPENDENT FRONT SUSPENSION, SPECIFICATIONS .
  9. Reconnect the wheel speed sensor wiring to the knuckle and upper control arm.
  10. Install the rotor. Refer to ROTOR, BRAKE, INSTALLATION .
  11. Install the caliper adapter with the caliper. Refer to ADAPTER, DISC BRAKE CALIPER, INSTALLATION .
  12. Remove the support from the lower control arm outboard end.
  13. If a new air suspension spring and shock assembly is used, remove the cap/fitting from the air line connection of the assembly.
    Fig 4: Air Lines/Fittings At Front Air Suspension Spring & Shock Assemblies
    GC0154417Courtesy of CHRYSLER GROUP, LLC
  14. Using the original fitting (2) connect the air line to the air suspension spring and shock assembly and tighten to 5 N.m (44 in. lbs.).
  15. Install the tire and wheel. Refer to WHEELS, STANDARD PROCEDURE .
  16. Remove the support and lower the vehicle.
  17. With a scan tool, using the routines under the Air Suspension Control Module (ASCM), perform the following:
    • Fill Spring From Reservoir/Complete Fill (on the spring/shock replaced).
    • 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 system responds with Air Mass OK (188 - 216 bar-liters).
    • Enable the air suspension system.
  18. Perform the ASCM Verification Test. Refer to STANDARD PROCEDURE .
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