Thanks for the reply. Where does one get a suction line muffler? Compressor has Sanden label on it but there are no Sanden markings on the compressor. Label says to use SP 15 oil. I think I bought it from Retroair.
Mac
Search found 2 matches
- Tue Aug 05, 2025 9:08 am
- Forum: Automotive Air Conditioning Forum
- Topic: Sanden makes growling noise at specific rpm
- Replies: 3
- Views: 133
- Mon Aug 04, 2025 8:24 pm
- Forum: Automotive Air Conditioning Forum
- Topic: Sanden makes growling noise at specific rpm
- Replies: 3
- Views: 133
Sanden makes growling noise at specific rpm
I have a Classic Auto Air system in my Corvette. The system cools fine but the Sanden SD7H15 compressor makes a growling noise but only between 1500-1700 rpms. It is quiet at all other rpms. It seems to be worse (louder) after operating for 15-20 minutes when everything is heated up. I even avoid ...