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 DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINETIMING COMPONENTSSYSTEM SPECIFICATIONSTIMING COVER
2009 Chevrolet Silverado 2500 2WD V8-6.6L DSL Turbo
Timing Cover
2009 Chevrolet Silverado 2500 2WD V8-6.6L DSL TurboSECTION Timing Cover
Harness Routing Views
Engine Chassis Harness Routing - Top Front (Diesel)
1 - Battery - Right
2 - Fuse Holder
3 - X127
4 - X108
5 - X107
6 - X123 (PTO)
7 - Fuse Block - Underhood
8 - X109
9 - Battery - Left
10 - Engine Control Module (ECM)
11 - Transmission Control Module (TCM)
Engine Chassis Harness Routing - Top Rear (Diesel)
1 - J104
2 - J105
3 - J106
4 - J132 (K76/YF2)
5 - J133 (PTO)
6 - X110 (NQF/NQG)
Engine Chassis Harness Routing - Rear (Diesel)
1 - X300
2 - G300
3 - Automatic Transmission Turbine Speed Sensor (MW7)
4 - Automatic Transmission (MW7)
5 - Vehicle Speed Sensor (VSS) (MW7)
6 - X124 (PTO)
7 - Power Take Off (PTO) Module (PTO)
8 - X175 (MW7)
Powertrain Component Views
Rear of the Engine Components (Diesel)
1 - X300
2 - G300
3 - Automatic Transmission Turbine Speed Sensor (MW7)
4 - Transmission
5 - Vehicle Speed Sensor (VSS) (MW7)
6 - X124 (PTO)
7 - Power Take Off (PTO) Module (PTO)
8 - X175 (MW7)
Chassis Harness Routing (LY6/LMM except 31 Series)
1 - X300
2 - X408 (UD7)
3 - Trailer Connector (UY7)
4 - J411 (JL1)
5 - G401
6 - J331
7 - Fuse Block - Underhood X3
8 - X115
9 - X102 (JL1)
10 - J300
11 - G300
RENDER: 1.0x
NO RELATED
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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.