Rear Air Suspension Fuse Problem - Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum

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Old 07-12-2011, 01:01 PM
EnvoyDenali EnvoyDenali is offline
Junior Member
2006 GMC Envoy Denali
Sand Beige Metallic 5.3L V8 4X4
Join Date: Mar 2011
Location: Central PA
Posts: 1
Rear Air Suspension Fuse Problem

Hello, I have a 2006 Envoy Denali. The 30 amp fuse for my rear air suspension has blown 3 times in the past 3 1/2 months. I purchased this Envoy used back around Christmas so I'm still learning about the vehicle and didn't know it even had rear air suspension until a few months ago!

Any who, back in April when I had it in for an oil change the mechanic told me of the back end sagging. Scary thing was I didn't know was hanging that low! Like I said it's still new to me. He checked it out and told me it was the fuse for the rear air suspension, I had them replace it. Then about a month ago in early June it blew again. This time I knew what to look for. I replaced the 30 amp fuse myself and it fixed the problem. I only had one 30 amp fuse at the time. Then this past weekend (7/9), it blew again! This time I went out and bought a whole pack of 30 amp fuses until I can figure it out!

Does anyone know why it might be blowing this frequently? Is this a bigger problem related to the motor that pumps up the air in the rear? I'm still a noob to how it all works so some education from the nice folks on here is greatly appreciated!

Thank you!
2006 Envoy Denali, 4WD
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Old 07-12-2011, 04:08 PM
the roadie's Avatar
the roadie the roadie is offline
No longer with us
2004 GMC Envoy SLT "Roadiemobile"
Extreme Offroad Pewter 4.2L I6 4X4
Join Date: Apr 2005
Posts: 26,181
Yes it's a bigger problem. The fuse is doing its job, and preventing the motor from overheating from overuse (leaky air bags, valves, or hoses) or from a deteriorating compressor itself.

Search here for "Arnott" and you can read up how to replace the system with cheaper replacements than GM, or swap the air bags out for traditional coil springs.
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Old 07-13-2011, 10:03 AM
Shockguys's Avatar
Shockguys Shockguys is offline
1995 Chevy Blazer
Teal Green Other 2WD
Join Date: Sep 2007
Location: Fort Lauderdale, FL
Posts: 165
Here is that kit the roadie. It takes all the air out so you will never have a problem with it again
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