M45x AWD V8-4.5L (VK45DE) (2008)
11. Disconnect drain hose.
12. Remove mounting bolts from heater & cooling unit.
13. Remove side defroster nozzles.
14. Remove steering column assembly mounting bolts and nut.
15. Remove steering member mounting bolts.
16. Remove steering member, and then remove heater & cooling unit.
INSTALLATION
Installation is basically the reverse order of removal.
CAUTION:
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Replace O-rings of low-pressure flexible hose and high-pressure pipe 1 with new ones, and then apply compressor oil to it when installing
it.
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Female-side piping connection is thin and easy to deform. Slowly insert the male-side piping straight in axial direction.