SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1229 (HEATING, VENTILATION AND AIR CONDITIONING)REPAIR INSTRUCTIONSCONDENSER REPLACEMENTINSTALLATION PROCEDURE
2003 Chevrolet TrailBlazer 4.2 S, 4WD

Installation Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Installation Procedure
WARNING: This page is about a different car, the 2003 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
  1. If replacing the condenser, add refrigerant oil to the condenser. Refer to Refrigerant System Capacities  for system capacity information.
  2. Install the upper rubber mounts on to the condenser.
  3. Install the lower ends of the condenser in to the lower rubber mounts.

    Important:  Ensure that the upper rubber mounts stay in place on the condenser.

  4. Tilt the top of the condenser in to place.
  5. Install the new O-ring seals onto the A/C compressor hose and the condenser tube. Refer to O-Ring Replacement  .
    Fig 1: Installing Upper Rubber Mounts On To Condenser
    G01482011Courtesy of GENERAL MOTORS CORP.
  6. Connect the condenser tube to the condenser.
    NOTE: Refer to FASTENER NOTICE .
  7. Tighten the condenser tube nut.

    Tighten 

    Tighten the nut to 27 N.m (20 lb ft).

    Fig 2: Connecting Condenser Tube To Condenser
    G01482012Courtesy of GENERAL MOTORS CORP.
  8. Connect the A/C compressor hose to the condenser.
  9. Install the A/C compressor hose block fitting nut to the condenser.

    Tighten 

    Tighten the nut to 16 N.m (12 lb ft).

  10. Install the radiator. Refer to RADIATOR REPLACEMENT .
  11. Install the front fender upper diagonal. Refer to BRACE REPLACEMENT - FRONT FENDER UPPER DIAGONAL .
  12. Install the air cleaner assembly.
    Fig 3: Connecting A/C Compressor Hose To Condenser
    G01482013Courtesy of GENERAL MOTORS CORP.
  13. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery And Recharging  .
  14. Leak test the fittings of the component using J 39400-A  .
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.