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Bluericky



Member Since: 26 Jun 2014
Location: Cornwall
Posts: 647

United Kingdom 2009 Defender 110 Puma 2.4 DCPU Keswick Green
Freewheeling , how much ?
Hi All

Having replaced 99% of my drivetrain , I’m still getting an unpleasant reverberating through the vehicle, in all gears , at any speed , neutral or in drive . I’m eliminating everything bit by bit , I will be replacing all bushes shortly although they are all quite new anyway ! But we’re Britpart Poly

My question is , when you have a wheel jacked up and spin it , how much of a revolution do you get once you’ve stopped applying force ?
Mine stop pretty much immediately regardless of how much “oomph” I give it , it doesn’t seem normal to me .

I have an Ashcroft ATB in the transfer box and I’m wondering if this is a symptom of the system or whether something has gone awry .
Interested to hear from anyone with or without an ATB in the centre

Thank you

Rich https://www.instagram.com/hustynminepark/
Post #809147 7th Jan 2020 9:42am
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oneten110



Member Since: 02 Jul 2011
Location: Wish I was still in France
Posts: 741

United Kingdom 
Honestly I would anticipate very little freewheeling once you have stopped trying to turn it.
If you have one wheel jacked up you are turning the whole of the differential as well. Against the resistance of all the gears and the oil. It is not a Defender, it is a One_Ten
Post #809358 8th Jan 2020 2:27pm
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Bluericky



Member Since: 26 Jun 2014
Location: Cornwall
Posts: 647

United Kingdom 2009 Defender 110 Puma 2.4 DCPU Keswick Green
Thank you , I’m really clutching at straws now !
It does appear that all four brakes are scuffing the discs, one corner is mildly worse than the others.
Is that normal ?!

What I really need is another defender parked up along side that I can compare !! https://www.instagram.com/hustynminepark/
Post #809363 8th Jan 2020 3:08pm
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Bluericky



Member Since: 26 Jun 2014
Location: Cornwall
Posts: 647

United Kingdom 2009 Defender 110 Puma 2.4 DCPU Keswick Green
I’ve just booked it in with an independent specialist called highlanes in perranporth , I’ve heard good things .
Hoping not to get the response “I’ve driven worse” or “they all do that” , like my other Indy . https://www.instagram.com/hustynminepark/
Post #809364 8th Jan 2020 3:11pm
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sako243



Member Since: 08 Jul 2014
Location: Wales
Posts: 1218

Wales 1994 Defender 110 300 Tdi CSW Alpine White
Is the reverberation in sync with engine RPM or road speed?

You say in drive and neutral - is this in an auto? What engine and gearbox do you have? Ed
82 Hotspur Sandringham 6x6
95 Defender 110 300Tdi
Post #809377 8th Jan 2020 5:45pm
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Bluericky



Member Since: 26 Jun 2014
Location: Cornwall
Posts: 647

United Kingdom 2009 Defender 110 Puma 2.4 DCPU Keswick Green
Hi Sako ,

Vibration at all speeds even noticeable in 1st gear , worse once been driving for a while and all warmed up . Also whilst coasting in neutral. Vibration is probably the wrong word , it’s more of a Pulsing reverberating

Standard gearbox with new transfer box and ATB fitted . 2.4tdci

Here’s a list of what I’ve replaced to try and eliminate it , whilst also upgrading

New Gwynn Lewis HD propshafts (make it a lot worse, no idea why) now removed.
New Ashcroft transfer box with ATB
Front Diff
Rear Diff
Front driveshafts, Cv’s and flanges
Rear driveshafts , one piece
All bearings
New brake pads
New transfer box mounts

Fitted maybe a year ago before problem arose :

New Poly Bushes all round
New Bilstein Shocks
New OEM springs
Recon PAS box
A-frame ball joint

The only lead I have is that all four brakes appear to be dragging slightly , not by much at all and the hubs are all cool to the touch after a good drive.

I’m literally at my wits end ! https://www.instagram.com/hustynminepark/
Post #809382 8th Jan 2020 6:26pm
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sako243



Member Since: 08 Jul 2014
Location: Wales
Posts: 1218

Wales 1994 Defender 110 300 Tdi CSW Alpine White
OK but is the vibration in road-speed or engine-speed related?

If it's not related to either then may not be drive train related at all. Ed
82 Hotspur Sandringham 6x6
95 Defender 110 300Tdi
Post #809384 8th Jan 2020 6:37pm
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Bluericky



Member Since: 26 Jun 2014
Location: Cornwall
Posts: 647

United Kingdom 2009 Defender 110 Puma 2.4 DCPU Keswick Green
100% road speed, hence it does it whilst coasting in neutral .

It becomes progressively more noticeable the faster you go , by 60mph it feels very unpleasant but doesn't make the entrire truck shake violently, you can feel it through the floor and a resonating from the rear but in my experience that could be originating anywhere .
Once you get up to those speeds, it can also be felt through the steering wheel and gearstick but I would say the floor is the most obvious . https://www.instagram.com/hustynminepark/
Post #809385 8th Jan 2020 6:42pm
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sako243



Member Since: 08 Jul 2014
Location: Wales
Posts: 1218

Wales 1994 Defender 110 300 Tdi CSW Alpine White
OK have you tried changing wheels and tyres (just for a test drive)?

I've had a little bit of a vibration but only really noticeable at 60+ because a wheel is very slightly out of shape. If it's not vibrating the steering wheel then I would hazard its likely to be rear end related if downstream of suspension.

Have you checked the simple stuff like wheel bearings, tyre pressures and diff oils?

When did it start? With one of the bits you've changed? Ed
82 Hotspur Sandringham 6x6
95 Defender 110 300Tdi
Post #809390 8th Jan 2020 6:55pm
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sako243



Member Since: 08 Jul 2014
Location: Wales
Posts: 1218

Wales 1994 Defender 110 300 Tdi CSW Alpine White
If you knock the transfer box into neutral and it still does it then that eliminates half the transfer box as well. Ed
82 Hotspur Sandringham 6x6
95 Defender 110 300Tdi
Post #809391 8th Jan 2020 6:56pm
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Bluericky



Member Since: 26 Jun 2014
Location: Cornwall
Posts: 647

United Kingdom 2009 Defender 110 Puma 2.4 DCPU Keswick Green
Cheers Sako

I’ve swapped wheels front to back , made no difference . Tyre pressures are all checked
Diff oils were changed when diffs were swapped .

The problem has sort of crept up on me and got progressively worse . A mechanic friend suggested I therefore drive it until something breaks , bad advice I feel !

Two other mild symptoms I get but may be unrelated .
When I floor it and release the accelerator, it feels as though it momentarily speeds up , like a power surge .
Equally when I dab the brake firmly it feels like I’m being pushed from behind, again like a surge .
That along with the HD props making things worse makes me think it could be an item that carries momentum, such as a flywheel but my mechanical knowledge at this depth becomes patchy .
A couple of weeks ago I got a waft of what smelt like a burning clutch whilst cruising at 60mph but it was only replaced around 8000 miles ago . https://www.instagram.com/hustynminepark/
Post #809395 8th Jan 2020 7:14pm
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LR90XS2011



Member Since: 05 Apr 2011
Location: bickenhill
Posts: 3639

United Kingdom 2011 Defender 90 Puma 2.4 XS CSW Galway Green
is the hand brake clearing correctly DEFENDER 90 TDCI XS,

I hope everyone is well and your land rovers make you happy
Post #809415 8th Jan 2020 8:25pm
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Bluericky



Member Since: 26 Jun 2014
Location: Cornwall
Posts: 647

United Kingdom 2009 Defender 110 Puma 2.4 DCPU Keswick Green
Thank you .

Yes I forgot to add that to my list !
I’ve overhauled the hand brake , replaced the drum and adjusted the cable https://www.instagram.com/hustynminepark/
Post #809418 8th Jan 2020 8:45pm
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doublecabjon



Member Since: 28 Sep 2014
Location: Dorset
Posts: 31

United Kingdom 
Don’t know about the puma defenders but the dual mass flywheel fitted to td5 can give some problems with vibrations on over run and acceleration.

Do you ever have difficulty selecting gears?
Post #809421 8th Jan 2020 9:00pm
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sako243



Member Since: 08 Jul 2014
Location: Wales
Posts: 1218

Wales 1994 Defender 110 300 Tdi CSW Alpine White
Since you've changed so much I'd be looking at removing bits to see what makes it go away. First thing that might help is remove each prop in turn and lock the centre diff and test. That might at least narrow it down to front/rear if indeed it is a drive-line issue. Something that I hadn't mentioned - you've checked everything's attached such as the exhaust? You don't have any holes in the exhaust?

If your brakes are binding I'd expect the discs to be roasting hot after a good run. Anyway of disabling the ABS on a Puma to see whether it might be a sensor misbehaving? Not being used to all this electrickery on a Defender but have you had the codes read - just in case something's actually showing up?

If the burning clutch disappeared more than likely it was something outside - as you're listening / feeling / smelling for something you normally become more sensitive to external smells etc., always happens with me and a few miles later is disappears and the Defender keeps plodding along. Ed
82 Hotspur Sandringham 6x6
95 Defender 110 300Tdi
Post #809431 8th Jan 2020 9:30pm
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