Vehicle & Technical > Discovery

Loose nuts !!!!

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Jimbo:
Having swapped over the orginal 18" wheels for 16"ers on Sunday, I had a brown-trouser moment this afternoon.......

Whilst driving from Borehamwood to Radlett, the Disco developed a steering vibration not unlike when a wheel is out of balance. I thought that one of the balance weights had come off the (second hand) 16"ers. The vibration got steadily worse, I was also becoming aware of a dull knocking noise from somewhere at the front. The customer site car park seemed the appropriate place to do some investigations.....

All 10 front wheel bolts were just finger tight - hence the vibration and knocking noise !!!! - did I need a change of nappy or what ! :shock:  :shock:

I am certain that I tightened all the bolts up on Sunday, they were checked and double-checked, so why did they come so loose today ?

Silly question - do 16" wheels use different bolts to the 18" wheels ?

Luckily my trusty 3' breaker bar and 27mm socket was in the back, so all bolts are now fully tightened - my torque wrench is not big enough, but I'll borrow a large one and make sure the bolts are torqued up to spec.

Jim

Xtremeteam:
depends if u have went from 18" alloys to 16"steels cos the nuts are different,,disco 2 is 140 nm & disco 1 is 128nm

lee celtic:
The angle on an ali wheel nut is different to that on a steel wheel.

One is steeper than the other so if you get the wrong ones on the wrong wheel there is less surface area making contact so they come undone real easy .I think ali ones have the shallower angle and the steel have a sharp angle. :D

as always a picture paints a thousand words (don't laugh at me drawings)  [-X

500bhp:
Can some one help me with some info what is the torque setting for steel wheels on a Disco 1................... :roll:

Xtremeteam:
see my other post above ^^^^^^

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