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 MANUALSCHEVROLET2008TAHOE 4WD V8-6.0L HYBRIDREPAIR AND DIAGNOSISDIAGRAMSEXPLODED VIEWSAUTOMATIC TRANSMISSION/TRANSAXLE2ML70 - AUTOMATIC TRANSMISSIONCONTROL VALVE UPPER BODY ASSEMBLY
2008 Chevrolet Tahoe 4WD V8-6.0L Hybrid
Control Valve Upper Body Assembly
2008 Chevrolet Tahoe 4WD V8-6.0L HybridSECTION Control Valve Upper Body Assembly
Disassembled Views
Control Valve Upper Body Assembly
320 - Valve Retaining Clip
321 - Valve Retaining Plug
322 - Auxiliary Line Boost Valve
323 - Auxiliary Line Boost Valve Spring
324 - 1-3 Clutch Regulator Valve
325 - 1-3 Clutch Regulator Valve Spring
326 - Hybrid Direct 2-3-4 Clutch Regulator Valve
327 - Hybrid Direct 2-3-4 Clutch Regulator Valve Spring
328 - Shift Solenoid Valve - Mode A
329 - Hybrid A/Trans Shift Solenoid Spring
330 - Control Valve Body Locating Pin
331 - Hybrid A/Trans Shift Solenoid Spring
332 - Shift Solenoid Valve - Mode B
333 - Actuator Feed Limit Valve Spring
334 - Actuator Feed Limit Valve
335 - Hybrid Low, 1-2 Clutch Regulator Valve Spring
336 - Hybrid Low, 1-2 Clutch Regulator Valve
337 - Hybrid Low, 1-2 Clutch Boost Valve Assembly
338 - Hybrid Low, 1-2 Clutch Boost Valve Spring
339 - Clutch Piston Exhaust Blowoff Ball Valve
340 - Clutch Piston Exhaust Blowoff Ball Valve Spring
341 - Clutch Piston Exhaust Blowoff Ball Valve Plug
342 - Control Valve Body Locator Pin
343 - Control Valve Upper Body Assembly
RENDER: 1.0x
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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.