Back Flush Procedure

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Connect the J 45096 adapters (1) to the vehicle's transmission oil cooler supply and return lines at the transmission. May require the use of J 35944-200 cooler flushing adapter.

Fig 1: Connecting Adapters To Transmission Oil Cooler Supply & Return Lines
Courtesy of GENERAL MOTORS CORP.
Connect the black supply hose (1) to the return line, rear connector of the transmission, and the clear waste hose (2) to the feed line, front connector of the transmission, to the vehicle cooler lines. This is the reverse flow - backflush direction.

Fig 2: Connecting Black Supply Hose & Clear Waste Hose
Courtesy of GENERAL MOTORS CORP.
Turn the main function switch to the FLUSH position. Allow the machine to operate for 30 seconds.

Fig 3: Turning Main Function Switch To FLUSH Position
Courtesy of GENERAL MOTORS CORP.
Turn the main function switch to the IDLE position and allow the supply vessel pressure to dissipate.

Fig 4: Turning Main Function Switch To IDLE Position

Courtesy of GENERAL MOTORS CORP.