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Home >> Hummer >> 2008 >> H3 Luxury, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 285 (Automatic Transmission - 4L60-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis) >> Description And Operation >> Automatic Transmission Hydraulic Diagrams >> Overdrive Range, 3-2 Downshift >> 3-4 Clutch Exhaust Checkball (#4)

3-4 Clutch Exhaust Checkball (#4)

WARNING: This page is about a different car, the 2009 GMC Canyon and 2009 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.

Exhausting 3-4 clutch fluid seats the #4 checkball and is forced through orifice #13. This orifice controls the 3-4 clutch fluid exhaust and the 3-4 clutch release rate.

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