Suzuki XL7 2007 Service Manual page 1578

5A-168 Automatic Transmission:
4. Turn the main function switch to the FLUSH position.
Allow the machine to operate for 30 seconds.
5. Turn the main function switch to the IDLE position
and allow the supply vessel pressure to dissipate.
Forward Flush
1. Disconnect the J 45096 at the hose couplings at the
adapters and switch the hoses. The black hose (2) to
the oil cooler supply hose and the clear hose (1) to
the oil cooler return hose.
The above connections are now in the normal flow
direction.
2. Turn the main function switch to the FLUSH position
and allow machine to operate for 30 seconds.