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 MANUALSGMC2010SAVANA 4500 V8-6.6L DSL TURBOREPAIR AND DIAGNOSISRELAYS AND MODULESRELAYS AND MODULES - POWERTRAIN MANAGEMENTRELAYS AND MODULES - GLOW PLUG SYSTEMGLOW PLUG CONTROL MODULELOCATIONS
2010 GMC Savana 4500 V8-6.6L DSL Turbo
Glow Plug Control Module: Locations
2010 GMC Savana 4500 V8-6.6L DSL TurboSECTION Locations
Powertrain Component Views
Left Front of Engine Components (LGH)
1 - Intake Air Valve
2 - Intake Air Heater (IAH)
3 - A/C Compressor Clutch
4 - Exhaust Gas Recirculation (EGR) Valve
5 - Turbocharger Vane Position Sensor
6 - Charge Air Cooler Inlet Temperature Sensor
7 - Exhaust Gas Recirculation (EGR) Temperature Sensor 1
8 - Fuel Filter Pressure Switch
9 - Nitrogen Oxides Sensor 1
10 - Fuel Temperature Sensor 2
11 - Fuel Rail Pressure (FRP) Sensor
12 - Glow Plug Control Module (GPCM)
13 - Fuel Injector 8
14 - Fuel Injector 6
15 - Glow Plug 8
16 - Glow Plug 6
17 - Fuel Injector 4
18 - Glow Plug 4
19 - Engine Oil Pressure (EOP) Sensor
20 - Engine Oil Level (EOL) Switch
21 - Glow Plug 2
22 - Fuel Injector 2
23 - Generator
Left Side of the Engine (LMM)
1 - X110
2 - X111
3 - Intake Air Temperature (IAT) Sensor
4 - Fuel Injector 4
5 - Glow Plug Control Module (GPCM)
6 - Fuel Injector 6
7 - Fuel Injector 8
8 - Glow Plug 8
9 - Glow Plug 6
10 - Engine Oil Level (EOL) Switch
11 - Engine Oil Pressure (EOP) Sensor
12 - G107
13 - G102
14 - G103
15 - Glow Plug 4
16 - Glow Plug 2
17 - Fuel Injector 2
18 - X101
19 - A/C Compressor
RENDER: 1.0x
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Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.