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#1 |
Registered User
Join Date: Jun 2004
Location: Gainesville, Fl
Posts: 382
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hey all my 69 K-10 has recently started having a bit of a problem. Every now and then while I am driving over 45 mph my truck will start to shake a little not very bad but it hurts the ride if you know what I mean, then within a couple of minutes it stops and rides really smooth and it is really enjoyable. What is wrong or where should I start looking? anyone ever have this type of problem before and what fixed it?
Thanks, Brad.
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#2 |
Registered User
Join Date: Oct 2002
Location: S.W. Michigan
Posts: 403
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First thing I would check is the tires for balance. It is someplace to start.
Dan |
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#3 |
Registered User
Join Date: Oct 2004
Location: Walker Co. Alabama
Posts: 474
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Check your driveshaft also. Mine was doing something similar to your problem the other day so I went and got a new hanger bearing ( Iknew it was bad already). When I went to take the driveshaft out I noticed one of the four bolts was missing. BUT when I went back to the rear end I also found the other three were loose! I took them out by hand without tools they were so loose. After I made the repairs the vibration was gone.
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If it don't fit, force it,...If it still don't fit , modify it 'till it does fit !!! ![]() ![]() |
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#4 |
Saving 1 truck at a time!
Join Date: Aug 2001
Location: Kent, WA
Posts: 6,465
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I drove a '65 4x4 that did that. It would go into a horrible tank slapper and just about break your thumbs. It was a combination of worn, out of balance tires and loose steering ball joints. The wheels would just flop back and forth until you slowed down or sped up.
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'68 C20 Longhorn 50th Anniversary 400/TH400 '68 C20 Longhorn 50th Anniversary 468/TH400w/buckets '72 C20 Halfhorn (Longhorn w/o cab and front clip) '69 Flxible Cruiser (look up ugly in the dictionary) |
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#5 |
Registered User
Join Date: Nov 2002
Location: Kelowna B.C. Canada
Posts: 1,086
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Inspect your tires closely for a shifted belt also.
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#6 |
Msgt USAF Ret
![]() ![]() Join Date: Jan 2005
Location: Kalamazoo, Michigan
Posts: 8,714
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All of the above, plus check your wheel lugs and be sure they are torqued.
Vettevet
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VetteVet metallic green 67 stepside 74 corvette convertible 1965 Harley sportster 1995 Harley wide glide Growing old is hell, but it beats the alternative. |
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#7 |
Registered User
Join Date: Jun 2004
Location: Gainesville, Fl
Posts: 382
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o.k. cool tomorrow I will go by a tire shop here in town and have them inspect the tires, then to my friends shop across the road where we can put the truck up on a lift and inspect for loose or worn bearings. the only thing that gets me is that it only does it every now and then, and if you speed up or slow it doesnt matter it still shakes and then after a little bit of driving its fine again???
Thanks guys.
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Man I need another 67-72!!! ![]() |
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#8 |
Registered User
Join Date: Jan 2001
Location: skamokawa, WA, USA
Posts: 527
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Mines done this for years. Replaced literally everything, still does it. I've changed wheels,tires, driveline, transmission, engine, alignment, front suspension, rear end, rear bushings.. you name it. Still does it.. Shakes sorta side to side.. then a minute later everythings smooth for awhile.
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#9 |
Saving 1 truck at a time!
Join Date: Aug 2001
Location: Kent, WA
Posts: 6,465
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Chevymad, Tighten the steering gearbox and then put a steering damper on it...LOL!
__________________
'68 C20 Longhorn 50th Anniversary 400/TH400 '68 C20 Longhorn 50th Anniversary 468/TH400w/buckets '72 C20 Halfhorn (Longhorn w/o cab and front clip) '69 Flxible Cruiser (look up ugly in the dictionary) |
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#10 |
Registered User
Join Date: Jan 2001
Location: skamokawa, WA, USA
Posts: 527
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Steering box has been replaced. It's 2 wheel drive, but i have thought about the dampner.
Also the wheel doesnt shake at all. The whole truck sorta rocks side to side. |
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#11 |
Still drivin' a Rat Rod
Join Date: Sep 2004
Location: Monett Missouri
Posts: 4,925
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Maybe it's the muffler bearings:P
Be sure to have a look at the A arm bushing also.Upper and lower.Idler arms are usually the first thing to go in the front.
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Rusty Member #13872 Instead of saying.....you are a discomfort in the back of my front.....one should be able to say...... you are a pain in the *a$#* 71 GMC LWB 49 Chevy 85 Chevy G20 Check out my website |
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#12 |
Registered User
Join Date: Jan 2001
Location: skamokawa, WA, USA
Posts: 527
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LMAO! Probably wont beleive it, but all a-arms have also been replaced. And all have new bushings and ball joints too. All new front end parts, converted from drum to disc. New drums in the rear.. Nothings ever changed the shaking. Over the years I've replaced every single part of this truck, except the cab itself and the frame. About the only original part inside the cab is the speedo. Thought about frame being bent or something, but no sign of that. And tires last with no abnormal wear. I've pretty much given up on finding the problem at this point. It just keeps driving. Theres 486,000 miles on the cab and frame!
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#13 |
Registered User
Join Date: Feb 2005
Location: Seattle, Washington
Posts: 15
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Fan clutch?
I had the same problem a few years ago. Shook like crazy over 40 mph. Drove me nuts. I finally found out that my fan clutch was in need of replacing. Simple, yet soooo satisfying.
Good luck |
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