Engine Size: 2500cc
Ambient Temp: 15
Country of Origin: United Kingdom
Hi all, can someone advise why the side casing of my Denso compressor has a 1 by 1 inch hole in it? Heard a loud bang and inspected from underneath the car the other day. Is it to do with lack of lubrication or liquid slugging? Has anyone known of compressor of having a damage such as this type? Thanks, Steve.
I am sure a destructive failure as you described can occur with any design compressor. The ones I have seen go "POP" and end up with a split case or a hole in the side of them, are scroll compressors. Yes, lack of lubrication, liquid slugging, contamination, machining clearances, casting defects, and many more issues could be the root cause of such a failure. Instead of pistons slapping around and making a "death rattle"; the scroll will have a (fatigue?) failure of a piece of the scroll, and it will jam inside the remainder of the scroll assembly and literally blow it apart, sometimes out the side of the case.
Many thanks, a quick check reveals it to be a variable displacement type. Clutch seems quite scorched. Maybe the time to disengage is not quick enough to stop from over-speeding.
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