The grease nipple you can see is a bleed nipple for bleeding PAS fluid. Do not inject grease into it.
Free play adjustment is via the locknut in the centre of the top plate.
My steering wheel has always had some free play and it’s never seemed to be an issue - i accepted that the frequent light corrections of the wheel, left and right, to keep the beast running true was a D2 quirk. But i’ve noticed whilst scanning through in the HAYNES manual researching another job that the steering box adjustment is a maintenance item every 48000 miles / 4 years (72000kms). Okay!! ....so I eyeballed the steering box to assess the task and noticed a very dry dusty grease nipple on the top of the box. It doesn’t look like it’s ever seen grease since she rolled off the assembly line 18 years ago and i’m wondering if that is a contributor to the steering lash. I jacked and put chassis stands under the cross axle to get the front wheels off the ground and “exercised” the steering. Found the steering is smooth in operation but backlash is greatest at each lock, happily the steering column uni joints are good. Before i attempt to adjust the steering box i want to put some grease in it - so does anyone know how many pumps on the grease gun? or is it just keep going until it purges from somewhere and hope it doesn’t blow out a seal. Online research suggests if the backlash cannot be adjusted replace the box! Any advice welcome .......
LROCV member #131
1999 build D2 TD5 Auto, Mantec snorkel, 2" LRA spring lift, ARB on board air, Ashcroft ATB, CMM air ram CDL shifter, swag & gold pans ....
The grease nipple you can see is a bleed nipple for bleeding PAS fluid. Do not inject grease into it.
Free play adjustment is via the locknut in the centre of the top plate.
2014, MY14 Discovery TDV6, Fuji White (2018-Now)
2003, Discovery 2a, Td5 Manual, Zambezi Silver (2012-2018)
2007, Adventure Offroad Campers, Grand Tourer (2015-Now)
Ah! bleed nipplethanks. Is that RAVE you quoted from? Although same instructions as in HAYNES it’s easier to read....
LROCV member #131
1999 build D2 TD5 Auto, Mantec snorkel, 2" LRA spring lift, ARB on board air, Ashcroft ATB, CMM air ram CDL shifter, swag & gold pans ....
Quoted from the workshop manual/RAVE.
This shows the bleed nipple.
2014, MY14 Discovery TDV6, Fuji White (2018-Now)
2003, Discovery 2a, Td5 Manual, Zambezi Silver (2012-2018)
2007, Adventure Offroad Campers, Grand Tourer (2015-Now)
LROCV member #131
1999 build D2 TD5 Auto, Mantec snorkel, 2" LRA spring lift, ARB on board air, Ashcroft ATB, CMM air ram CDL shifter, swag & gold pans ....
Lash should be adjustable at the box via that locknut and set screw.
But before I check this, I always check/test tie rod ends.
As there are 4 of them there's a good change one of them may be just slightly loose/weak.
And definitely don't grease up that bleed nipple!
Vague steering could be any number of loose/worn items in a complicated front end setup like a live front axle.
Are you getting any kickback through the wheel over rough parts of the road or through some faster turns?
What tyre pressures you running?
etc.
Arthur.
All these discos are giving me a heart attack!
'99 D1 300Tdi Auto ( now sold :( )
'03 D2 Td5 Auto
'03 D2a Td5 Auto
Thanks AK83, front tyre pressures are 30psi for BFG AT KOs. No kick back through steering at all - changed changed LHS track rod balljoint some months ago yesterday noticed very slight movement at other end but not so bad that you can feel it. Decided today that i will replace the track rod so will have all new ball joints there. Any ideas why steering free play would be worse at full lock??
LROCV member #131
1999 build D2 TD5 Auto, Mantec snorkel, 2" LRA spring lift, ARB on board air, Ashcroft ATB, CMM air ram CDL shifter, swag & gold pans ....
Worn sector shaft(in the steering box) could be the most likely cause.
My old RRC had this(3 bolt box) and the cheapest way to fix it was to source a second hand 4 bolt box(back then hard to find to tho).
I dunno nuthin about the front end of a D2(yet), but could be main balljoints?(someone with experience will have to chime in about worn balljoints)
I recently had to deal with an occasional death wobble on my D1.
By accident I found that the two front tie rod ends(drag link) were more worn that I initially tested them to be.
When I tested them they were tight up to almost full articulation, but I didn't push to full articulation as they felt tight, and it needed more force than my pathetic wrist could manage.
But one day when I was lowering myself under the front, I grabbed the drag link and my weight pulled on the bar to fully articulate the tie rod ends and they went loose past that point I could (be stuffed) to pull past earlier.
Two new tie rod ends later and death wobbles gone
But it didn't end there!.
I usually run my tyres at 36psi, but in search of a bit more comfort in the colder weather I lowered them to about 28psi one day .. death wobbles came back much worse than before.
Came in lower than the normal 80k/h before I changed the tie rod ends, but now they came and stayed.
Pulled off the freeway ASAP, to the first servo and popped them back up to 38(now), hit the freeway and no more death wobbles that I could induce(up to 100k/h)
I've been meaning to change the track rod ends too one day(I got all for ends at the same time) .. but I'm a lazy bugga.
Other thing I've been wanting to check out is the outer ball preload too.
So like I said, I know just enough about the D1/RRC type front end, but very little on the D2 open knuckle balljointed type.
Arthur.
All these discos are giving me a heart attack!
'99 D1 300Tdi Auto ( now sold :( )
'03 D2 Td5 Auto
'03 D2a Td5 Auto
Don’t know if it’s same setup as defender, but I had annoying play that was also particularly obvious when cornering over a rough patch of road where I could feel it through the steering wheel. I adjusted the steering box which helped a lot, but still there. Checked uni joints, all good. Tightened bolts on shafts, all tight. But then got someone to sit in car and move wheel left and right. The problem was the top joint spline. The bolt was was super tight but there was still movement in the spline. I couldn’t tighten it any more, so removed the bolt to find that it had been partially stripped and locked up. I replaced it with a new bolt that let me tighten the joint onto the spline properly and all good. No slop in the steering and no shudders etc through the steering wheel.
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