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Old 06-14-2009, 11:02 PM   #1 (permalink)
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Default truck shakes @ 50 and 75

my truck has a shake at 50 mph and again at 75-80mph. I replaced the front driveline and the rotoflex last week. I have replaced the tie rod end, I have had the tires balanced 3 times, alignment done. I'm running out of ideas. Any thoughts would be great.
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Old 06-15-2009, 05:29 AM   #2 (permalink)
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Have you replaced the steering damper?
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Old 06-15-2009, 06:29 AM   #3 (permalink)
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Have you rotated the tire and did that change anything?
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Old 06-15-2009, 07:10 AM   #4 (permalink)
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Originally Posted by tcpfl View Post
Have you replaced the steering damper?
Steering dampers don't cure vibrations, they only mask them.
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Old 06-15-2009, 07:20 AM   #5 (permalink)
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Well, since I don't need it, I guess I'll just take mine off then.
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2006 LR3 SE - Stock except for 255/60/18 General AT2s

2004 Disco II SE - 3" OME HD Springs/Shocks, Borla Cat-Back Exhaust, My Front Shaft Is A Woody, ARB Sidesteps, 255/60/18 General AT2s

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Old 06-15-2009, 08:53 AM   #6 (permalink)
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Do you know what a steering dampers function is?
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Old 06-15-2009, 09:09 AM   #7 (permalink)
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A steering damper, steering stabiliser or sprint damper is a damping device designed to inhibit an undesirable, uncontrolled movement or oscillation of a vehicle steering mechanism.
I couldn't resist.
Wikipedia
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Old 06-15-2009, 09:32 AM   #8 (permalink)
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Yes... do you?

A hydraulic device similar to a shock absorber attached to the steering linkage to absorb road shock and steering kickback.

A steering damper, steering stabiliser or sprint damper is a damping device designed to inhibit an undesirable, uncontrolled movement or oscillation of a vehicle steering mechanism.
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2006 LR3 SE - Stock except for 255/60/18 General AT2s

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Old 06-15-2009, 09:33 AM   #9 (permalink)
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Quote:
Originally Posted by Madison View Post
A steering damper, steering stabiliser or sprint damper is a damping device designed to inhibit an undesirable, uncontrolled movement or oscillation of a vehicle steering mechanism.
I couldn't resist.
Wikipedia
beat me to it
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2006 LR3 SE - Stock except for 255/60/18 General AT2s

2004 Disco II SE - 3" OME HD Springs/Shocks, Borla Cat-Back Exhaust, My Front Shaft Is A Woody, ARB Sidesteps, 255/60/18 General AT2s

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Old 06-15-2009, 09:51 AM   #10 (permalink)
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I haven't tried a steering damper. it feels like the shake is coming from the rear as well. I rotated the tires and that didn't do anything.
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Old 06-15-2009, 09:56 AM   #11 (permalink)
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Quote:
Originally Posted by tcpfl View Post
Yes... do you?

A hydraulic device similar to a shock absorber attached to the steering linkage to absorb road shock and steering kickback.

A steering damper, steering stabiliser or sprint damper is a damping device designed to inhibit an undesirable, uncontrolled movement or oscillation of a vehicle steering mechanism.
Correct, road shock (off road shock) and kick back.
No where is it intended to mask vibrations from problems in the steering or suspension.
Plus the Wiki shit is geared more toward motorcycles.
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Old 06-15-2009, 10:07 AM   #12 (permalink)
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Originally Posted by orange2 View Post
my truck has a shake at 50 mph and again at 75-80mph. I replaced the front driveline and the rotoflex last week. I have replaced the tie rod end, I have had the tires balanced 3 times, alignment done. I'm running out of ideas. Any thoughts would be great.
You said you replaced your front driveline (driveshaft?)... Did you rebuild the old one or install a new one? If so did they rebalance the shaft?
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2006 LR3 SE - Stock except for 255/60/18 General AT2s

2004 Disco II SE - 3" OME HD Springs/Shocks, Borla Cat-Back Exhaust, My Front Shaft Is A Woody, ARB Sidesteps, 255/60/18 General AT2s

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Old 06-15-2009, 10:08 AM   #13 (permalink)
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Originally Posted by Roverhound View Post
Correct, road shock (off road shock) and kick back.
No where is it intended to mask vibrations from problems in the steering or suspension.
Plus the Wiki shit is geared more toward motorcycles.
And your point is???
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2006 LR3 SE - Stock except for 255/60/18 General AT2s

2004 Disco II SE - 3" OME HD Springs/Shocks, Borla Cat-Back Exhaust, My Front Shaft Is A Woody, ARB Sidesteps, 255/60/18 General AT2s

2001 Disco II SE - Sold
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Old 06-15-2009, 10:13 AM   #14 (permalink)
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I had the old one rebuilt. I will have to check and see if they balanced it
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Old 06-15-2009, 10:44 AM   #15 (permalink)
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Quote:
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And your point is???
That you don't replace the steering damper to fix vibrations which is what you suggested in your first post.
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