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Ask GM Tech (Cam) Your Own Question
GM Tech (Cam)
GM Tech (Cam), GMC Mechanic
Category: GM
Satisfied Customers: 5787
Experience:  GM Grand Master Technician 2007. 14 years experience.
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GM Suburban 2500: I have a 96 chevy suburban 2500 4x4 with

Customer Question

I have a 96 chevy suburban 2500 4x4 with a 7.4L and 183k miles on it. Just towed a super light wooden trailer to and from the dump. On the way back on the highway, I started getting this weird cycling vibration. Five seconds of vibration, one or two off, start again. Going 70 mph on the highway, started when the AC was off. I would have thought it was from the light trailer being empty on the way back, but it wasn't a constant vibration
Submitted: 2 years ago.
Category: GM
Expert:  Jerry Newton replied 2 years ago.
Is the vibration no longer present if you disconnect the trailer?