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09-16-2011, 08:36 PM
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#1 |
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Registered User
Join Date: Jun 2011
Location: Atlanta ga
Posts: 150
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C20 vibrations
My c20 is the first 3/4 ton truck that I have owned. It's got the factory heavy duty option, so I am not expecting it to ride like a modern truck or SUV.
I am starting to notice a vibration between 45~55mph (bed is unloaded). It actual gets kind of bouncy. The steering feels fine at any speed. I am going to check out the ujoints, when I get around to it. The shocks look warn out, so I am probably going to have to replace them in the near future. Does anyone else have a bouncy C20 or C30?
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1984 C20, 454, 4 speed named "Gold Member" |
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09-16-2011, 08:50 PM
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#2 |
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Registered User
Join Date: May 2010
Location: laurel hill Fl
Posts: 645
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Re: C20 vibrations
is the vibration more in the floor than the steering. i seem to have this aswell only from 65 to 68. i beleive its a resonation from something in the drivetrain
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1985 C10 Custom Deluxe LWB 305/700r4 [ Goldfinger ]  1999 k3500 crew cab dually 6.5tdi/4l80e |
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09-16-2011, 08:55 PM
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#3 |
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Registered User
Join Date: Jun 2011
Location: Atlanta ga
Posts: 150
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Re: C20 vibrations
It's coming more from the seat (steering feels just fine). It's kind of bouncy, like being on a rollercoast. The shocks look completely warn out, so I am betting that it is time to replace those.
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1984 C20, 454, 4 speed named "Gold Member" |
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