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2004
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Avalanche 2500
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Repair and Diagnosis
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Transmission
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Automatic Trans
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Automatic Transmission - 4L80-E/4L85-E (Introduction, Service & Replacement)
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Specifications
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Shift Solenoid Valve State and Gear Ratio
Shift Solenoid Valve State and Gear Ratio
Shift Solenoid Valve State and Gear Ratio; 4L80-E
Gear
1-2 SS Valve
2-3 SS Valve
Gear Ratio
1
ON
OFF
2.48:1
2
OFF
OFF
1.48:1
3
OFF
ON
1.00:1
4
ON
ON
0.75:1
R
ON
OFF
2.08:1