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My Baby Needs Burping - Please Help 900 1994

posted by  Townshend Act on  Thu Feb 8 00:37 CST 2024
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last visit: Tue Oct 7 22:44 CST 2014
[RELATED]

Hi Dave.
Nice to hear from you again with your always prompt replies.
This gurgling sound is definitely coolant, not freon related. The A/C gives it share of hissing sounds at the orifice tube (ha!) at times during compressor cycling.
It's just there is a darn pocket of air in the heater core somewhere, and I'd like to know how to burp it out.
Tried all the driving with the heater on high temperature and the reservoir cap loosened. I really thought putting 20g vacuum on the system would draw it out too, but no such luck.
Nonetheless, I thank you for your kind reply and will talk to you again.
Regards,
John






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