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Tommyknocker update Posted by Landjet [Email]  (#16)  [Profile/Gallery]
(more from Landjet) on Sat, 30 Aug 2014 08:57:58
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Awhile back, I posted about an odd knock in the steering that would only surface after the car was well warmed up, hot day, usually only after the car sat for 30 minutes heat soaking after being run. At that time, there was a hideous knock in the steering that could be felt in the wheel, but strangely, there was no lost motion.
The steering rack was from Atlantic with about 5k miles.
The shop has pulled their hair out on this one, and now I think we've found the problem. At first, the lost motion seemed to be that the inner tie rod on the left side. But, the steering was still tight. In other words, the articulating joint wasn't loose all the time.
The shop replaced the inner tie rod, and the problem was solved.
OK, SO NOW THE REST OF THE STORY......the shop had scabbed an inner rod off a rebuilt rack and then put the supposed bad inner back on the rebuilt rack. It felt loose. OK, I get it....the loose knock knock has been found. BUT, the inboard side of the inner tie rod had not been tightened......SO, the steering is tight, but after some use and heat, the untightened inboard connection would start to knock knock knock ( lost motion in the threads )
The moral of the story is to tighten everything, even things that you can't see like connections under the dust covers of the steering rack.....
I suppose when the rack is cold, the threads weren't transmitting the lost motion, and then when the thread junction is hot, it has enough play to be felt and heard, but not looseness / feedback in the steering. I'm glad this is over, because the iron ball was swinging on this winter beater, and I was ready to cave......
, Sat, 30 Aug 2014 08:57:58 <-- Viewing This Message
, Tue, 2 Sep 2014 08:37:44
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