Back Flush Procedure

WARNING: This page is about a different car, the 2003 Pontiac Aztek and 2003 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Back Flush Procedure (1 Of 4)

Courtesy of GENERAL MOTORS CORP.

Connect the J 45096 adapters (1) to the vehicle's transmission oil cooler supply and return lines at the transmission.

Fig 2: Identifying Back Flush Procedure (2 Of 4)
Courtesy of GENERAL MOTORS CORP.
Connect the black supply hose (1) to the return line, bottom connector of the transmission, and the clear waste hose (2) to the feed line, top connector of the transmission, to the vehicle cooler lines. This is the reverse flow - backflush direction.

Fig 3: Identifying Back Flush Procedure (3 Of 4)
Courtesy of GENERAL MOTORS CORP.
Turn the main function switch to the FLUSH position. Allow the machine to operate for 30 seconds.

Fig 4: Identifying Back Flush Procedure (4 Of 4)
Courtesy of GENERAL MOTORS CORP.
Turn the main function switch to the IDLE position and allow the supply vessel pressure to dissipate.