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Pinpoint Test C: The Control Linkage Is Binding

  1. C1 CHECK THE SHIFT CONTROL COMPONENTS FOR DAMAGE 
      WARNING: Before servicing a vehicle equipped with a fire suppression system, depower the system by following the procedure in FIRE SUPPRESSION SYSTEM article. Failure to follow the instructions may result in serious personal injury.
    • With the vehicle in NEUTRAL, position it on a hoist. Refer to JACKING AND LIFTING article.
    • Gain access to the shift control components.
    • Key in ACCESSORY position.
    • Apply the brake pedal.
    • Observe all shift control components while attempting to shift the selector lever through all ranges.
    • Are any of the components damaged? 
    1. YES  : REPAIR as necessary. REINSTALL all components. TEST the system for normal operation. If equipped with fire suppression system, go to  C4.
    2. NO  : Go to  C2.
  2. C2 CHECK THE SHIFT CONTROL COMPONENT OPERATION WITH THE SELECTOR LEVER CABLE DISCONNECTED FROM THE TRANSMISSION 
    • Key in OFF position.
    • With the vehicle in NEUTRAL, position it on a hoist. Refer to JACKING AND LIFTING article.
    • Disconnect the selector lever cable from the manual control lever.
    • Lower the vehicle.
    • Key in ACCESSORY position.
    • Apply the brake pedal.
    • Observe the shift control components while attempting to shift the selector lever through all ranges.
    • Do the components move fluidly through all ranges? 
    1. YES  : REFER to AUTOMATIC TRANSAXLE/TRANSMISSION article for internal transmission repair. If equipped with fire suppression system, go to  C4.
    2. NO  : Go to  C3.
  3. C3 CHECK THE SHIFT CONTROL COMPONENT OPERATION WITH THE SELECTOR LEVER CABLE DISCONNECTED FROM THE STEERING COLUMN 
    • Key in OFF position.
    • Disconnect the selector lever cable from the transmission selector lever arm and support.
    • Key in ACCESSORY position.
    • Apply the brake pedal.
    • Observe the shift control components while attempting to shift the selector lever through all ranges.
    • Do the components move fluidly through all ranges? 
    1. YES  : INSTALL a new selector lever cable and bracket. REFER to Selector Lever Cable and Bracket - Column Shift . TEST the system for normal operation. If equipped with fire suppression system, go to  C4.
    2. NO  : REFER to STEERING COLUMN article for steering column repair. If equipped with fire suppression system, go to  C4.
  4. C4 REPOWER THE FIRE SUPPRESSION SYSTEM 
      WARNING: If the vehicle is equipped with a fire suppression system, repower the system. For important safety warnings and procedures, refer to FIRE SUPPRESSION SYSTEM article. Failure to follow these instructions may result in serious personal injury.
    • Verify that the fire suppression system is repowered. Refer to FIRE SUPPRESSION SYSTEM article.
    • Is the fire suppression system repowered? 
    1. YES  : Fire suppression system repowering is complete.
    2. NO  : REFER to FIRE SUPPRESSION SYSTEM article for fire suppression system depowering and repowering procedure.
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