Slack in sterring

[Sheepdip]

My final problem you'll be pleased to know is case you're getting fed up with my posts...

Any ideas on how to reduce slack in the steering system?

I overhauled the 2 racks I have (different pinion types), replacing seals, resetting rack movement with micrometer, I didn't replace bearings as looked ok.The first rack has a lot of vertical play in(pinionend of rack) shaft (not the balljoint), it was touch and go on MOT last year. The only way to reduce to anything acceptable is to adjust the thrust on the rack shaftto the point where rack will hardly move. Its as though the thrust pad is moving inside the rack allowing the vertical movement even when tight.

The second rack, again correctly adjusted seems to have excessive play on the input shaft, as though thepinion is moving to much before turning the gear. This leads to vagueness in steering control. Does the torsion bar become weak?

I should add that the column is fine, intermediate shaft replaced along with column bearings, little slack in sliding joint.

I'm getting to the point of just buying a recon rack but don't like being beaten!

Any ideas welcomed.

[les M]

imported post

The easy fix on rack # 2 ,

it sounds like one or both of thespring roll pins are worn. Theyare sited above and below the torsion bar, i think its usually the top one that wears first



Les

[Sheepdip]

imported post

Hi Les - that sounds interetsing (presume you're referring to the second rack problem)? If it is just acommon roll pin then presume it just drifts out/in and should be easy to replace with rack removed? I guess the Stag suppliers won't be able to help and will be a trip to the local h/w supplier.

[les M]

imported post

Yes they are standard roll pins as far as I know and they just punch out, but I an unable to help you with what size (dia) they are.One of theproblems that can be en-counted with them is, if the shaft/torsion tube has worn. You may have to drill oversize. There isno need to strip the full rack as they are only located in the pinion assy itself.

Les.

[Sheepdip]

imported post

Hi les, thanks for advice. I took the pinion out of rack #1 last night to have a look before touching the live one. I mentioned they're different types but have similar setup. I didn't find any wear on this one but I know what to look for.

I did notice this time that the bottom pinion bearing surface was pitted (obviously missed it last time duhh). I reckon this indicates the bottom needle roller bearing may also be worn which could be the inability to take movement out by adjustement. Have you ever replaced this bearing?

Cheers

[les M]

imported post

Sheepdip

Sorry never replaced that bottom bearing, but I think that there is a plug in the bottom of the rack to facilitate the removal of the bearing.



Les.