Volvo Workshop Manuals
940 L4-2.3L SOHC VIN 88 B230F (1992)
Maintenance > Fluids > Refrigerant > Component Information > Technical Service Bulletins > A/C - Converting R12 System to R134a > Page 2975
Install locking clip (included in conversion kit, p/n 9145660-8).
If filler pipe kit is being used, tighten joint on filler pipe to 16 Nm (12 ft.lb).
Check the system
Evacuate A/C System
Connect the R134a recovery/recycling station. Evacuate system for at least 50 min.
Check that the system can hold a vacuum. The vacuum must not sink within 4 minutes.
While evacuating, the following can be carried out:
Complete the light blue rectangular R134a "RETROFIT" label before removing carbon paper.
Using ball-point pen, note:
dealer number, if applicable, (or repair shop name, city, state).
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