SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2001CHEVY EXPRESS G2500, VAN PASSENGER EXTENDED, 5.0 MREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 876 (ENGINE CONTROLS - 4.3L - REPAIR INSTRUCTIONS)REPAIR INSTRUCTIONSSECONDARY AIR INJECTION PUMP REPLACEMENTINSTALLATION PROCEDURE
2001 Chevrolet Chevy Express G2500, Van Passenger Extended, 5.0 M

Installation Procedure

2001 Chevrolet Chevy Express G2500, Van Passenger Extended, 5.0 MSECTION Installation Procedure
WARNING: This page is about a different car, the 2001 GMC Sierra and 2001 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: AIR Pump And Associated Components
    GM349261Courtesy of GENERAL MOTORS COMPANY
  1. Install the AIR pump (2) onto the rubber mounting posts (9).
  2. Connect the hoses (3, 14) to the AIR pump (2).
    3. Fig 2: AIR Pump Assembly
    GM334923Courtesy of GENERAL MOTORS COMPANY
  3. Install the AIR pump assembly (1) into the vehicle.
  4. Install the AIR pump assembly hold down block (3) and the fastener (2).
  5. Refer to FASTENER NOTICE in Cautions and Notices.

    Install the AIR pump assembly hold down mounting bolt.

    Tighten 

    Tighten the hold down fastener (2) to 25.0 N.m (18 lb ft).

    6. Fig 3: AIR Pump And Associated Components
    GM349261Courtesy of GENERAL MOTORS COMPANY
  6. Connect the hose (10) to the AIR shut-off valve (13).
  7. Connect the hose clamp (12) to the AIR shut-off valve hose (10).
  8. Connect the electrical connector to the AIR pump (2).
  9. Connect the electrical connector to the AIR solenoid valve (6).
  10. Connect the electrical connector to the AIR pump relay (7).
  11. Connect the vacuum line (5) to the AIR solenoid valve (6).
    12. Fig 4: Right Rear Of Engine Compartment
    GM334930Courtesy of GENERAL MOTORS COMPANY
  12. Install the brace (8) to the fender and cowl.
  13. Check the AIR system for proper operation.
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.