GL Class (X164) 2007-2012: GL320CDI, GL420CDI, GL450, GL550

Compressor air release

Old 03-20-2019, 06:35 PM
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Compressor air release

Hello all, yesterday I replaced my air compressor a 2yrs old AMK brand with a new Arnott compressor. It seems that the airmatic relay was faulty caused the compressor to keep running and burned it out. Here's the thing, since installing the new compressor a few things have happened. 1. While approaching the carwash this morning I heard a loud pop, rear airbags burst and 2. It seems that when I either lock, or unlock the doors, I hear air being released, it's a short burst. Does this even remotely sound normal? The reason that I ask about the air being released is, I never heard that sound before, even when I replaced the compressor 2 years ago. As for the rear bags, Arnott is sending me 2 new bags under warranty.

Richie
Old 03-20-2019, 06:45 PM
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The short burst is normal. Not sure why you never heard it before, though.
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rich30769 (03-20-2019)
Old 03-20-2019, 07:05 PM
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Thanks Dennis and I swear it never did it before. Oh well, glad to hear that it's normal.
Old 03-20-2019, 07:29 PM
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Originally Posted by rich30769
Hello all, yesterday I replaced my air compressor a 2yrs old AMK brand with a new Arnott compressor. It seems that the airmatic relay was faulty caused the compressor to keep running and burned it out. Here's the thing, since installing the new compressor a few things have happened. 1. While approaching the carwash this morning I heard a loud pop, rear airbags burst and 2. It seems that when I either lock, or unlock the doors, I hear air being released, it's a short burst. Does this even remotely sound normal? The reason that I ask about the air being released is, I never heard that sound before, even when I replaced the compressor 2 years ago. As for the rear bags, Arnott is sending me 2 new bags under warranty.

Richie
They burst after the new compressor and relay?!

Whaaaat...

Is this a valve block failure symptom?
Old 03-20-2019, 07:52 PM
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Yes after I installed the new compressor and relay. I swear all was fine up until last Monday, that's when the compressor failed. Received the new compressor this Monday, installed yesterday, rear bags blew today. Only the front dropped down when the compressor failed.

Last edited by rich30769; 03-20-2019 at 07:56 PM.

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