SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2007SILVERADO CLASSIC 3500 4WD V8-6.0LREPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGHEATER CORESERVICE AND REPAIRHEATER CORE REPLACEMENT (DELPHI)
2007 Chevrolet Silverado Classic 3500 4WD V8-6.0L

Heater Core Replacement (Delphi)

2007 Chevrolet Silverado Classic 3500 4WD V8-6.0LSECTION Heater Core Replacement (Delphi)


Heater Core Replacement (Delphi)

Removal Procedure

1. Remove the HVAC module assembly.
2. Remove the screws from the heater core cover.




3. Remove the heater core cover (1) from the HVAC module assembly (2).




4. Remove the heater core cowl gasket (1) from the heater core (2).
5. Remove the heater core (2) from the HVAC module assembly (3).

Installation Procedure




1. Install the heater core (2) to the HVAC module assembly (3).
2. Install the heater core cowl gasket (1) to the heater core (2).




3. Install the heater core cover (1) to the HVAC module assembly (2).

Notice: Refer to Fastener Notice.

4. Install the screws to the heater core cover (1).

Tighten the screws to 2 N.m (18 lb in).

5. Install the HVAC module assembly.
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.