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TRACKROD GAP
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09-01-2020, 05:12 PM
Hi everyone, Could someone tell me if the gap on the arms is correct or should they be shimmed. Replaced the bushes and pins this afternoon. sorry if it's obvious, but I'm new to A7s.
Warm Regards Rob 
09-01-2020, 07:02 PM
I use the rule if it rattles shim it.
It is an area that is subject to wear which was not original shimmed. 
12-01-2020, 02:51 PM
I've had problems in the past with MoT inspectors and track rod ends. Inspectors don't like the end float and the fact that the track rod rattles up and down. Similarly, they hate the end float on the kingpins. I try and reduce both to a minimum but with the track rod, you have to be careful to line everything up as you tighten the nuts, otherwise your carefully shimmed joint will have tight spots. Presumably, Austin realised this, that's why the Big 7 components are keyed.
12-01-2020, 03:59 PM
I can't see how the end float could cause any problems. If it rattles it could be annoying.
Jim
13-01-2020, 04:27 PM
AustinWood Wrote:I can't see how the end float could cause any problems. If it rattles it could be annoying. I know! I tried arguing this fact but the 25 year old MoT man kept insisting that the end float shouldn't be there and indicated "wear"! (Probably true but not a safety issue.) Good job MoT's are optional these days but I do try and eliminate the end float before the test these days as it just confuses the youngsters 
13-01-2020, 05:27 PM
Hi Guys, thanks for the additional info, will try shimming initially and remove if tight. least I now know they weren't fitted at the factory.
regards Rob 
13-01-2020, 05:57 PM
(This post was last modified: 13-01-2020, 05:58 PM by Nick Turley.)
Hi
It looks from your photograph that it is indeed worn, whilst not dangerous I am sure it would not pass an MOT like that. What I do is build up the inside of the track rod with braze and build up the steering arm with braze. Then carefully file them flat and parallel to a nice fit (the clearance can be generous) before putting bushes and pins in. You can normally see where they are worn and therefore where they should be. Once done you will feel much better and they will look better.  Hope that is helpful.
13-01-2020, 08:09 PM
If spotted, brazing here would, rightly or wrong, be a w.o.f fail.
13-01-2020, 08:12 PM
Nick do you think brazing affects the heat treatment of the components, if so how do you control that?
Black Art Enthusiast
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