I have experienced a problem in my lower A Arm with the trunion hole
becoming elongated but I have never had a weld failure show up. Symptom
of the elongated hole was tire wear and significant shaking of the
steering wheel at highway speed. If a weld failure is common it is
certainly a concern!
Howard in Maine
"Pettis, Ward (NIDCD)" wrote:
>
> I'm doing a major rebuild of the front suspension. Before disassembly of
> the right side, I noticed that the A-arm would twist with the trunnion
> changing angle as I moved the stub axle back and forth. Strange, I thought
> until I found that the lower A-arm had separated at the weld points under
> the trunnion. No problem, ordered a used lower A-arm. Yesterday, I started
> putting the left suspension back together with new bushings, newly painted
> arms and a new trunnion. To my dismay, I noticed the same twisting action
> on the lower A-arm as I moved the stub axle back and forth! What's going
> on? Is this normal? If so, the separation of the weld points under the
> trunnion must be a common trait. Is it?? Or are both of my vertical links
> somehow bent out of line??
>
> Thanks for any and all comments.
> Ward
> '76 Spit on stands
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