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#Post#: 48736--------------------------------------------------
free wheeling hubs
DIR By: neverupright
Date: January 18, 2013, 6:05 am
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Hi all
question - if I put my free wheeling hubs into lock I understand
it engages four wheel drive and that my fuel consumption will go
up, other then that, can I just drive her as normal or do I have
to keep my speed down etc. My main concern is I may have to use
her tonight to get to work, a 30 mile commute mainly on
motorway.
Thanks
Carl F
#Post#: 48737--------------------------------------------------
Re: free wheeling hubs
DIR By: Willy Eckerslyke
Date: January 18, 2013, 6:17 am
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Putting them into lock doesn't put it into 4WD unless you also
push the yellow knob down (or pull the red one back, which also
gives you low range). You should lock the FWH occasionally (once
a week or so) and drive normally anyway, to lubricate the UJs.
Certainly lock them before setting out into snow, then select
4WD with the yellow know only if you need it. Driving normally
in 4WD strains the steering and buggers the tyres, so only use
it when necessary. But driving in 2WD with the FWH locked does
no harm at all.
#Post#: 48738--------------------------------------------------
Re: free wheeling hubs
DIR By: neverupright
Date: January 18, 2013, 7:02 am
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you learn every day, brings up another question, it's a 1975
series 3 diesel that I run, when out in wet it's very loose on
the back end, but when I lock the free wheeling hubs it's fine.
That's why I thought it engaged four wheel drive, now I am more
puzzled.
Thanks
carl f
#Post#: 48739--------------------------------------------------
Re: free wheeling hubs
DIR By: inglishg
Date: January 18, 2013, 7:22 am
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Since fitting FWH's to The Shed, I *think* the steering is
lighter...but it may be totally psycological of course!
I'm also hoping to start getting around 35mpg rofl
#Post#: 48745--------------------------------------------------
Re: free wheeling hubs
DIR By: Willy Eckerslyke
Date: January 18, 2013, 7:53 am
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--- Quote from: neverupright link ---
>
> you learn every day, brings up another question, it's a 1975
series 3 diesel that I run, when out in wet it's very loose on
the back end, but when I lock the free wheeling hubs it's fine.
That's why I thought it engaged four wheel drive, now I am more
puzzled.
--- End Quote ---
Try selecting 4WD properly (FWD locked + yellow knob down) and
turning a sharp corner, you'll should notice a big and
unpleasant difference.
Dunno about the loose behaviour in the wet, perhaps someone else
has an idea...
#Post#: 48747--------------------------------------------------
Re: free wheeling hubs
DIR By: stuey
Date: January 18, 2013, 8:20 am
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The reason why its light on the back end is due to 2WD only
driving the back wheels, you're probably used to driving a
modern car that is front wheel drive, but its something about
power and all that cant really explain as there's more
interesting things to do like drink beer and stuff like that.
With a series motor in 2WD mode, the front half shafts still
spin, thus creating drag. Increased drag means a greater fuel
consumption. To stop the front half shafts spinning whilst in
2WD then you need something to disengage the half shafts from
the drive member. This can be achieved by fitting FWH's, you
can disengage the half shaft or not at your will. Normally
they have labels / markings on them engage / dis-engage or 4x2 /
4x4. A common misconception with people that are uncommon to
series is that FWH automatically engage when they push the
yellow know down or that when they have changed the FWH from 4x2
to 4x4 then 4WD is engaged.
You need to engage FWH once a month or so that all the necessary
bits and pieces get lubrication, also you need to make sure that
the FWH are engaged when 4WD is in use otherwise you'll be
running in 2WD only!
That's all probably mumbo-jumbo and I might have got something
wrong but that's pretty much theory in it anyway :smile1
#Post#: 48752--------------------------------------------------
Re: free wheeling hubs
DIR By: Willy Eckerslyke
Date: January 18, 2013, 9:07 am
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--- Quote from: stuey link ---
> The reason why its light on the back end is due to 2WD only
driving the back wheels,
--- End Quote ---
But why would it improve when he locks the FWHs in 2WD? Just a
psychological effect perhaps?.
#Post#: 48755--------------------------------------------------
Re: free wheeling hubs
DIR By: neverupright
Date: January 18, 2013, 9:52 am
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defiantly not psychological, there is a definite difference in
handling, eg I once was struggling for traction on some grass,
not stuck as such, locked free wheeling hubs, traction no
problem at all. Though I do have psychological issues and a
drink problem and money issues etc etc etc.
thanks form replying every one
carl f
#Post#: 48775--------------------------------------------------
Re: free wheeling hubs
DIR By: stuey
Date: January 18, 2013, 1:10 pm
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Are you sure that it's not in 4WD so when you engage the FWH you
lock the hubs up and then when you unlock the FWH you have a
pseudo 2WD effect? OR is the 4WD selector is buggered?
Just a bit of confirmation you do know how to use the red lever
operates High / Low range and that the yellow lever operates 2WD
/ 4WD don't you? Sorry if it sounds like a bone question but
just a bit of confirmation, but the PO of Daisy thought that the
red lever was the overdrive!
#Post#: 48778--------------------------------------------------
Re: free wheeling hubs
DIR By: RMS
Date: January 18, 2013, 1:20 pm
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--- Quote from: stuey link ---
>
> Are you sure that it's not in 4WD so when you engage the FWH
you lock the hubs up and then when you unlock the FWH you have a
pseudo 2WD effect? OR is the 4WD selector is buggered?
>
> Just a bit of confirmation you do know how to use the red
lever operates High / Low range and that the yellow lever
operates 2WD / 4WD don't you? Sorry if it sounds like a bone
question but just a bit of confirmation, but the PO of Daisy
thought that the red lever was the overdrive!
>
--- End Quote ---
And red lever in low is 4WD all of the time :thumbs:
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