2008 - 2010 GMC Acadia

1.  Dissassemble aluminum block fitting located in the engine compartment behind the engine

2. Replace with the larger diameter block fitting with new sealing washer and fasten using bolt and nut supplied in the kit

3. Dissasemble the high side (smaller) block fitting next to it  and replace it with the supplied high side fitting and sealing washer

4.  Remove the stud that is fastened in the block fitting in the line going to the rear and reinstall the stud in the smaller diameter block fitting supplied in the kit

5.  Replace the sealing washer, and reinstall the block fitting onto the line using the factory nut and stud