GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2001 🢒 GMC C Sierra - 2WD 🢒 Engine 🢒 Engine Controls - 8.1L 🢒 Secondary Air Injection Vacuum Check Valve Replacement

Removal Procedure

    Object Number: 349261 Size: MH
  1. Remove vacuum lines from vacuum check valve (4).
  2. Remove the check valve.

Installation Procedure

    Object Number: 349261 Size: MH
  1. Install the check valve.
  2. Install the vacuum lines to the check valve (4).