GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Isuzu 🢒 1999 🢒 S/T Isuzu - 2WD 🢒 Body and Accessories 🢒 Body Rear End 🢒 Pressure Relief Valve Replacement

Removal Procedure
  1. Remove the pickup box. Refer to Pickup Box Replacement .

    2. Object Number: 303110 Size: SH
  2. Remove the pressure relief ventilation valve assembly.

    3. Use a flat bladed tool in order to pry the valve out of the rear of the cab.

Installation Procedure

    Object Number: 303110 Size: SH
  1. Install the pressure relief ventilation valve into the assembly.

    2. Firmly press the valve into the rear of the cab.

  2. Install the pickup box. Refer to Pickup Box Replacement .