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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 16 (Steering Column & Steering Column Switches) >> Adjustments >> Brake Transmission Shift Interlock Actuator

Brake Transmission Shift Interlock Actuator

WARNING: This page does not describe the selected car, but rather 16 other vehicles, including the 2001 Pontiac Montana, 2001 Oldsmobile Silhouette, 2001 Oldsmobile Bravada, 2001 GMC Sonoma, and 2001 GMC Savana Special. However, it is still accessible from the selected car via links, so may be relevant.
  1. Pull out tab on adjuster block side of Brake Transmission Shift Interlock (BTSI) actuator. Press on adjuster block to compress internal adjuster spring and disengage adjuster teeth. Slide adjuster block as far away from solenoid as possible. Lock adjuster block in place by pushing inward on tab.
  2. Check BTSI operation. Actuator must lock gearshift lever whenever steering column is in Park. When trying to shift from Park with ignition switch in RUN position without brake pedal depressed. Ensure gearshift lever releases with ignition switch in RUN position and brake pedal depressed. Readjust if needed.
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