M45 V8-4.5L (VK45DE) (2006)
11. Disconnect drain hose.
12. Remove mounting bolts from heater & cooling unit.
13. Remove side defroster nozzles.
14. 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 for A/C piping with new ones, and then apply compressor oil to it when installing it.