sinastorm7
Monza Air Suspension Compressor Issue
Summary of the thread
A 2019 Chevrolet Monza owner experienced issues with the air suspension, causing the car to sit low and display error messages. Initial diagnostics pointed to the air suspension compressor, but fuses and wiring checks showed no issues. Suggestions included checking for air leaks and inspecting the connector for corrosion. Upon further inspection, corroded connector pins were found and cleaned, temporarily resolving the issue. Ultimately, the problem was traced to a defective plug connection, which was fixed for 95€.
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4 comment(s)
sinastorm7 (community.author)
Good call on the corrosion! I didn't specifically look inside the connector. I'll give that a shot. As for air leaks, where are the usual suspects? I gave the air lines a quick once-over, but didn't see anything obvious. Are there any specific spots on the struts or compressor that are prone to leaking?
kurtmueller21
Yeah, definitely check those pins. On the leak front, the strut air fittings are common culprits, as well as the compressor itself. Honestly, chasing air leaks can be a nightmare. If you're not finding anything obvious, and you're getting compressor fault codes, it might be worth taking it to a workshop with the right diagnostic tools. They can usually pinpoint the problem pretty quickly.
sinastorm7 (community.author)
Thanks for the advice! I checked the connector pins like you said, and they were indeed corroded. Cleaned them up, and the compressor kicked back to life... for about 5 minutes. Then it died again. Checked the voltage on the connector and there was none. Finally managed to trace the cable to a defective plug connection. Cost me 95€ to fix it. Lesson learned: always check the simple things first! Thanks again for pointing me in the right direction.
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CHEVROLET
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MONZA
kurtmueller21
Sounds rough! I had a similar issue with my Monza. Those air suspension compressors can be a pain. Before you go tearing everything apart, did you check for any obvious air leaks in the system? Sometimes a small leak can cause the compressor to overwork itself and eventually fail. Also, when you wiggled the connector, did you happen to check for any corrosion or damage to the pins inside the connector itself? Even a tiny bit of corrosion can cause a bad connection.