Cooler Flow Check and Flushing Steps

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Machine Set-up
Determine Minimum Flow Rate
Back Flush
Forward Flush
Flow Test
Code Recording Procedure
Clean-up

Special Tools

DT 45096 Transmission Oil Cooling System Flush and Flow Test Tool
DT 45096-30 Transmission Cooler Flush Adapter
Shop air supply with water/oil filters, regulator and pressure gauge - minimum 90 psi
Eye protection
Rubber gloves

For equivalent regional tools, refer to Special Tools .