Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum - View Single Post - Vibration under load from 30 -50 mph
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Old 05-17-2019, 09:21 PM
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EnvoyBoy2004 EnvoyBoy2004 is offline
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2004 GMC Envoy SLT
Graphite Metallic 4.2L I6 4X4
Join Date: Sep 2014
Location: NY
Posts: 2,072
U-joints would be high on the list. Also, when was the transfer case fluid changed? It is required to be changed every 50K miles.

An inspection of the drive train should reveal the source.
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