Saab 900 Service Manual page 87

Heating and ventilation system, air conditioning system
~54-75
2 Carefully detach the cylinder head from the
valve housing using a gasket scraper.
Note
The mating surfaces must be kept completely
unmarked.
3 Carefully detach the valve housing from the
compressor using a gasket scraper.
4 Remove the old gaskets, clean the mating
surfaces and blow clean with R12 gas if re-
quired.
Saab 900