4 Bolt Steering Box Input Shaft weirdness. - Defender Source
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  #1  
Old April 14th, 2015, 04:41 PM
mech's Avatar
mech
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Its Me
1991 110 CSW
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4 Bolt Steering Box Input Shaft weirdness.

Hey all.

In an attempt to tune up the steering responsiveness on my 110 tdi, I've replaced a lot of bits. These include:
New 4 bolt OEM LR steering box.
New style Steering Shaft to match the 4 bolt.
New tie rod ends
New Bushes
New Steering Damper
New shocks and Springs

And I still have about an 3/4 inch of play in both directions at the steering wheel.

I've noticed that the new 4 bolt box input shaft does not have splines all the way to the end of the shaft. Instead the end of the shaft is turned down to a smaller diameter. This causes the lower u-joint to wobble a bit on the shaft even when its fully tightened.

Has anyone else observed this small play between their input shaft and the lower u-joint? I've tried two different u-joints and one is from a good supplier, so it shouldnt be a parts tolerencing problem.

-Thanks for any help
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  #2  
Old April 14th, 2015, 06:03 PM
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o2batsea
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Bill Adams
66 109 sw 94 lwb
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Get it up off the ground and check for wobbly swivels.
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1966 109 5 door wagon 300Tdi "spermaceti fueled"
1994 RRC LeWiB "ruining the air behind me"
1968 2A 88

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  #3  
Old April 14th, 2015, 06:29 PM
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Ren Ching
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Skinny Pete
'84 90 "Yamelo"/'88 RRC "Chewbacca"
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sounds like maybe you got a disco II box?
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Present:
1960 SII 109"- "Red Square"
1984 90 Tdi- "Yamelo"
1988 RRC- "Chewbacca"
1987 RRC- "Chewy 2"
2008 RRS SC- "The Supersofa"

Past:
1959 SII 88"- "The Little Green Beastie" last seen in NY
1972 SIII 88"- "GreenHELL" now in NC
1988 90 "Eric the Half a Bee" half a truck, sold for parts
1991 RRC- never got a name- long since recycled
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  #4  
Old April 14th, 2015, 06:45 PM
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I have the same - some very small amount of play between the steering input shaft and lower u-joint.

It does manifest itself as a little bit of play at the steering wheel.

My truck is a 1984, so it's possible that it's just old. Not sure why your new steering shaft is having the same issue.
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  #5  
Old April 15th, 2015, 02:34 AM
mech's Avatar
mech
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Its Me
1991 110 CSW
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Location: Oxfordshire
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Swivels are solid. It's definitely at the shaft. I can see the movement.

Interesting idea about the disco box. I'll check into it. Should be the right part. I bought it directly from a LR dealer in England.
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