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Home >> Chevrolet >> 2006 >> Cobalt LTZ >> Repair and Diagnosis >> External Pages >> Different car >> Section 754 (Automatic Transaxle - 4T45-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis) >> Description and Operation >> Automatic Transmission Hydraulic Diagrams >> Reverse (W/O Electronic Range Select Mode) >> Cooler and Lube >> Lube 1

Lube 1

WARNING: This page is about a different car, the 2008 Pontiac G5 and 2008 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.

Cooler fluid is routed through the transmission oil cooler, which is located in the vehicle radiator, and into the lube 1 fluid circuit. Lube 1 fluid is routed through the input shaft in order to lubricate the transmission components in the front of the transmission.