progress service ac BMW 740i Mr. Nanda Pradana
Keluhan
- tidak dingin sama sekali
- cek freon penuh
- cek evap kotor
- cek kompresor hidup
- cek tekanan normal
Diagnosa
Drier penuh dan expansi macet
Tindakan
- ganti drier denso
- ganti oli kompresor
- ganti freon r134a murni
- cuci evap
Hasil
- dingin 9.2 derajat
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