Need some photos of LHD Steering Rack for S3-V6
Need some photos of LHD Steering Rack for S3-V6
Author
Discussion

paul.deitch

Original Poster:

2,242 posts

275 months

Monday 6th October
quotequote all
LHD Rack has been "professionally" reconditioned and now doesn't seem to be able to achieve full lock in both directions.
Any experts here with some detailed knowledge of how the rack looks internally and if it is possible to wrongly assemble?
If so then photos/drawings would be appreciated.
Cheers.

phillpot

17,408 posts

201 months

Tuesday 7th October
quotequote all


I do not have a LHD steering rack to compare but I can not see that a RHD one should be any different?

Just under 3 turns from lock to lock and the track rod ends move 11cm.

GreenV8S

30,982 posts

302 months

Tuesday 7th October
quotequote all
Hard to imagine what they could have got wrong internally which would have limited the travel. I suppose they could have fitted rack travel limiters by mistake, but if so those would be external within the bellows around the inner track rod joint so visible to you if you undid the bellows.

What makes you think you've lost travel? How much travel do you have now? How much did you have before?

paul.deitch

Original Poster:

2,242 posts

275 months

Tuesday 7th October
quotequote all
Are the trackrods on both sides adjusted to the same length on the S3?
Does anyone had any knowledge of the internals of the rack? Can one offset the rack internally by one or two teeth?
Anyone know of an internal drawing?

GreenV8S

30,982 posts

302 months

Tuesday 7th October
quotequote all
paul.deitch said:
Can one offset the rack internally by one or two teeth?
Yes, by turning the steering wheel. The rack is the part that moves when the steering is turned.

What makes you think you've lost travel? How much travel do you have now? How much did you have before?

paul.deitch

Original Poster:

2,242 posts

275 months

Tuesday 7th October
quotequote all
GreenV8S said:
Yes, by turning the steering wheel. The rack is the part that moves when the steering is turned.

What makes you think you've lost travel? How much travel do you have now? How much did you have before?
It all worked perfectly before it was renovated...

paul.deitch

Original Poster:

2,242 posts

275 months

Tuesday 7th October
quotequote all
Are the 2 trackrods identical length?

GreenV8S

30,982 posts

302 months

Tuesday 7th October
quotequote all
paul.deitch said:
It all worked perfectly before it was renovated...
That doesn't answer any of my questions. If you want to get help with the problem, you need to give us the relevant facts.

paul.deitch

Original Poster:

2,242 posts

275 months

Wednesday 8th October
quotequote all
Sadly I don't any answers as I'm not working on it. I'm just relaying the questions from the German Werkstatt...

paul.deitch

Original Poster:

2,242 posts

275 months

Friday 24th October
quotequote all
I now have photos of both ends of the rack. It looks like the bushing circled is too big and stopping full travel but without photos of how the original should look the engineering company that did the work is ignoring me. Can someone please take or find photos of both open ends of the S3 rack so that I can go back to them with evidence.





Thanks

Adrian@

4,456 posts

300 months

Friday 24th October
quotequote all
This is the bush and a top seal(which would still fit INTO the end of the rack body) and cannot limit the travel R/L. I have stripped down RHD racks here, but unless the rack bar has been changed OR nylon rings added to the rack bar, I cannot see what would limit it.

Q. is that bush an extension of the rack tube/body rather that a bush sitting inside?



I do need to go and look at the rack bodies here and take a body length measurement (obviously rack I have MIGHT be V8S and I do not know if they are different bodies to the S3, when I know rod arms are)

I do not know the source of the LHD TVR rack.

Edited by Adrian@ on Friday 24th October 09:17

Adrian@

4,456 posts

300 months

Friday 24th October
quotequote all
Hi, Paul,
I am going to say something does look right in your LHD rack. (your image of the pinion 'looks to be longer that I am expecting SO, a/few much full picture/s is/are required.
IF I look at the S series racks here, I have rack bodies of 440 and 535 which I presume is S and series 4/V8S racks. BUT they have the end swaging opened out to take the plastic bush in a triangular flare, which then the bush presses into and is captured by into two holes (notice the bush bearing has two angled protrusions), which locate 5-8mm IN the swaged part of the rack body. I have three racks all RHD (2 small and one large). I have a thought that these were of GM/opel origin, BUT, I have not owned an S, (details are then from when I was body off restoring/servicing the S/V8S models 10 plus years ago), apart from the 3 core racks and two bushes with the one seal, I have nothing related to the steering.





All this said, the Pinion end (your picture looks correct as it has no bush, that end is all loaded and shimmed on a slipper pad (so this looks right). A@


Edited by Adrian@ on Saturday 25th October 15:05

paul.deitch

Original Poster:

2,242 posts

275 months

Thanks for replying. I'm going to try and take some better photos tomorrow.

paul.deitch

Original Poster:

2,242 posts

275 months

So finally I sent these photos to a rack reconditioner in Netherlands with experience of TVRs who confirmed that the new bushing which is flush with the end of the rack is blocking the rack travel and limiting the steering. Given that the original reconditioner has already said that it is perfect I expect that I will have to resort to a lawyer. Hopefully I will be able to get my money back if not a working rack.