Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2009SILVERADO 2500 2WD V8-6.6L DSL TURBOREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTGLOW PLUG SYSTEMGLOW PLUG CONTROL MODULESERVICE AND REPAIR
2009 Chevrolet Silverado 2500 2WD V8-6.6L DSL Turbo
Glow Plug Control Module: Service and Repair
2009 Chevrolet Silverado 2500 2WD V8-6.6L DSL TurboSECTION Service and Repair
Glow Plug Control Module Replacement
Removal Procedure
1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (With Single Battery) (Service and Repair)Battery Negative Cable Disconnection and Connection (With Auxiliary Battery) (Service and Repair)Battery Negative Cable Disconnection and Connection (With Dual Batteries) (Service and Repair) .
2. Disconnect the positive battery cable (1) from the glow plug control module.
3. Disconnect the engine wiring harness electrical connector (2) from the glow plug control module.
4. Remove the glow plug control module bolts and module.
5. Remove the fuel return pipe clamp bolt (1).
6. Remove the glow plug control module protector bolts and protector (1), if required.
7. Remove the glow plug control module bracket and bolts (2), if required.
Installation Procedure
Caution: Refer to Fastener Caution (Fastener Caution) .
1. Position the glow plug control module bracket (2) to the lower valve rocker arm cover and install the bolts, if required.
Tighten the bolts to 10 Nm (89 lb in).
2. Position the glow plug control module protector (1) and install the bolts, if required.
Tighten the bolts to 10 Nm (89 lb in).
3. Install the fuel return pipe clamp bolt (1).
Tighten the bolt to 24 Nm (18 lb ft).
4. Position the glow plug control module onto the bracket and install the bolts.
Tighten the bolts to 10 Nm (89 lb in).
5. Connect the engine wiring harness electrical connector (2) to the glow plug control module.
6. Connect the positive battery cable (1) to the glow plug control module.
7. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (With Single Battery) (Service and Repair)Battery Negative Cable Disconnection and Connection (With Auxiliary Battery) (Service and Repair)Battery Negative Cable Disconnection and Connection (With Dual Batteries) (Service and Repair) .
8. If a NEW glow plug control module was installed, program the module. Refer to Control Module References (Programming and Relearning) .
RENDER: 1.0x
NO RELATED
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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.