Intermittent vibration, kind of like driving over rumble strips

1992 CHEVROLET SILVERADO
144,980 MILES
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KATS
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First people said it was the idler arm, {not}then {pitman, then steering gearing gear box,}None of the above, wheels seem tight when raised on a jack, tried for movement top to bottom, seem tight. Any ideas {help}?
Oct 1, 2011 at 8:33 PM
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DOCFIXIT
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Does steering wheel shake? or more from body?
Oct 1, 2011 at 8:37 PM
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DAN_K
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Is it torque converter shudder? How's the condition of the trans fluid?
Oct 1, 2011 at 9:06 PM
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KATS
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More from the body , transmission fluid is red, no smell
Oct 2, 2011 at 3:38 AM
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MHPAUTOS
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If not felt in the steering it will be related to rear wheels, rear suspension or drive line vibration.
Oct 3, 2011 at 5:11 AM
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DOCFIXIT
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Put in gear foot heavy on brake raise RPMS to stall speed @1800-2200 if shudder happens then torque convertor
Oct 4, 2011 at 5:01 PM
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