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 MANUALSCHEVROLET2012SILVERADO 2500 2WD V8-6.6L DSL TURBOREPAIR AND DIAGNOSISDIAGRAMSEXPLODED VIEWSAUTOMATIC TRANSMISSION/TRANSAXLEOIL PUMP COVER ASSEMBLY
2012 Chevrolet Silverado 2500 2WD V8-6.6L DSL Turbo
Oil Pump Cover Assembly
2012 Chevrolet Silverado 2500 2WD V8-6.6L DSL TurboSECTION Oil Pump Cover Assembly
Disassembled Views
Oil Pump Cover Assembly
1 - Oil Pump Cover Assembly
2 - Oil Pump Cover Assembly Bearing
3 - Oil Pump Cover
4 - Bushing, 33.8 mm (1.33 in) ID
5 - Stator Shaft
6 - Torque Converter Clutch Valve
7 - Torque Converter Clutch Valve Spring
8 - Torque Converter Clutch Valve Stop
9 - Torque Converter Clutch Valve Retainer
10 - Torque Converter Clutch Relief Valve
11 - Torque Converter Clutch Relief Valve Spring
12 - Torque Converter Clutch Relief Valve Retainer
13 - Oil Pump Lube Regulator Valve
14 - Oil Pump Lube Regulator Valve Spring
15 - Oil Pump Lube Regulator Valve Stop
16 - Oil Pump Lube Regulator Valve Stop Retainer
17 - 1-2-3-4 Clutch Backfill Valve
18 - 1-2-3-4 Clutch Backfill Valve Spring
19 - 1-2-3-4 Clutch Backfill Valve Stop
20 - 1-2-3-4 Clutch Backfill Valve Retainer
21 - Pressure Regulator Valve
22 - Pressure Regulator Valve Spring
23 - Pressure Regulator Valve Stop
24 - Pressure Regulator Spring Stop Retainer
25 - Ball
26 - Spring
27 - Retainer
28 - Plug
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.