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The only place for a coil spring is up Zebedee's
Member
Joined: Feb 07 2020
Posts: 59

Hi all, got an issue I’m struggling to diagnose and would appreciate your thoughts.

Since I bought the P38 it’s steering wheel has to be held about 10 degrees/1 o’clock to drive in a straight line. If I let go, it centres and therefore pulls slightly to the left.

I’ve put up with it for a couple of years, blaming bad (massive) tyres, bad bushes, ball joints, poor height calibration etc. Ive fixed all of these.

I’ve just taken it to have the tracking/alignment done, figuring it must be that. However they said it was not out of line...

So now I’m stumped. The only bushes didn’t do were the rear radius arms but they looked new.

Any ideas? It’s not a problem but I’m a bit of a perfectionist!!

Thanks

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Joined: Dec 30 2015
Posts: 5212

There's multiple splined joints between steering wheel and steering box, so the column and wheel can be set just about anywhere you want. The steering box needs to be centralised (lug on the input shaft) and the column and wheel then set straight with respect to that. Then you adjust the centering on the drag link. If you set the wheels in straight ahead, adjust the drag link so the box is centralised, then adjust the wheel to that.

Member
Joined: Feb 07 2020
Posts: 59

Thanks, guessing I need some alignment tools to do this??

Member
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Joined: Dec 30 2015
Posts: 5212

Not necessarily but you will need a flat straight piece of road to check it on. Drive the car so it is tracking straight ahead, then with the steering lock off (key in), check the steering box and see if the marks are aligned. There's a lug on a plastic ring around the input shaft and a matching lug cast into the steering box body. If they aren't, there's your problem so you need to adjust the drag link. With the wheels on the ground and the steering lock off, as you adjust the drag link (you'll probably need lots of Plus Gas and a big pair of Stilsons and the suspension on high to give you more room to swing on it), it will turn the input shaft rather than the wheels. Once the box is centralised with the wheels straight ahead, you can adjust the steering wheel on the splines either at the intermediate steering shaft or the steering wheel itself. Don't forget that any adjustment of the upper column will affect the indicator cancelling. If that is keener to cancel when turning one way than the other, the upper shaft isn't centralised, so adjusting at the intermediate shaft is where you want to make any changes. If it appears to be central, it is the wheel that needs moving on the column.

Member
Joined: Feb 07 2020
Posts: 59

Thanks, I’ll get a top up of plus gas and plan to sort this during lockdown 2.0...

That abs fault went away!!

Member
Joined: Feb 25 2020
Posts: 255

amazing well made explanation!