GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1998 🢒 Tahoe 4WD - RHD 🢒 HVAC 🢒 HVAC Systems - Manual 🢒 Defroster Valve Actuator Replacement

Removal Procedure
  1. Roll the instrument panel back. Refer to Instrument Panel Carrier Replacement In Instrument Panel, Gauges and Console.

    2. Object Number: 290843 Size: SH
  2. Remove the defroster valve vacuum actuator from the bracket.
  3. Disconnect the defroster valve vacuum actuator from the windshield defroster nozzle linkage.

Installation Procedure

    Object Number: 290843 Size: SH
  1. Connect the defroster valve vacuum actuator to the windshield defroster nozzle linkage.
  2. Install the defroster valve vacuum actuator to the bracket.
  3. Roll the instrument panel forward. Refer to Instrument Panel Carrier Replacement In Instrument Panel, Gauges and Console.