 | Home > Technical > Drive Train Slack |
 
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| Grenadier Member Since: 23 Jul 2014 Location: The foot of Mont Blanc... Posts: 5804   
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Morning all,
Noticed a lot more drive train slack when pulling away in 1st or in reverse. Requires a lot of feathering of the clutch to avoid a huge clunk, audible middle to rear of the vehicle. I had the clutch replaced six months ago, although I've never been happy with it as it is noisier, more rattly, the gear selection clunkier and more difficult, and there has always been a little slack from the get go. Originally the gearbox and clutch were perfect. Very smooth, very quiet. The clutch was fitted whilst the vehicle was broken down abroad, OE fitting, by a LR dealer in Spain. So as I wasn't there I can only presume it was done properly and with an OE part as stated. So I can I check what the clunk is and where the slack is located. Clearly I'm thinking half shafts, but should I be checking for anything else? Thanks in advance  Monsieur Le Grenadier
I've not been everywhere, but it's on my list..... 2011 Puma 110DC - Corris Grey |
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1st Mar 2019 7:09am |
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| rallysteve Member Since: 10 Feb 2014 Location: Cumbria Posts: 2227  
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Have a good check/pry of the A-frame balljoint! 02' 110 TD5 Double Cab Rebuild Thread
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1st Mar 2019 12:15pm |
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| DG123 Member Since: 29 Aug 2015 Location: North West Posts: 133 
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Was output shaft on mine - same symptoms
 2012 110 XS SW Orkney Grey
2003 D2 Td5 Black [SOLD] |
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1st Mar 2019 1:37pm |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20334
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Check the easiest cheapest things first is what I'd recommend. Then go upwards in value abd work from there so to speak.
⭐️⭐️God Bless the USA 🇬🇧🇺🇸 ⭐️⭐️ |
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1st Mar 2019 2:03pm |
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| JOW240725 Member Since: 04 May 2015 Location: Suffolk Posts: 7905
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When I read this my first thought output shaft. I was surprised how much slack disappeared when I had mine replaced. James
MY2012 110 2.2TDCi XS SW Orkney Grey - http://www.defender2.net/forum/topic43410.html MY1990 110 200TDi SW beautifully faded Portofino Red - https://www.defender2.net/forum/post743641.html#743641 MY1984 90 V8 Slate Grey - https://www.defender2.net/forum/post744557.html#744557 Instagram @suffolk_rovers |
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1st Mar 2019 2:04pm |
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| Bongo1 Member Since: 02 Nov 2018 Location: Cheshire Posts: 815
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Had this with mine and changed the A frame , Turned out to be the rear prop UJ was as stiff as ducks @@@@ , once it was off . Looked and felt fine .
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1st Mar 2019 11:53pm |
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| Bluericky Member Since: 26 Jun 2014 Location: Cornwall Posts: 647
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If the symptoms have come on fairly rapidly then I would take a long look at your diffs as well as half shafts , flanges etc
It was the huge slack in my drivetrain that was the precursor to diff failure . Once it was replaced nearly all play has gone and no more riding the clutch !!! https://www.instagram.com/hustynminepark/ |
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2nd Mar 2019 1:10am |
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| Grenadier Member Since: 23 Jul 2014 Location: The foot of Mont Blanc... Posts: 5804
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Thank you all, will try and figure it out next week...
Monsieur Le Grenadier
I've not been everywhere, but it's on my list..... 2011 Puma 110DC - Corris Grey |
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2nd Mar 2019 7:22pm |
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| Grenadier Member Since: 23 Jul 2014 Location: The foot of Mont Blanc... Posts: 5804
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Quick one, how do I test diff slack/wear? Twist the prop and see how much play there is before biting? If so, how much play should there be, by degrees or mm? Monsieur Le Grenadier
I've not been everywhere, but it's on my list..... 2011 Puma 110DC - Corris Grey |
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2nd Mar 2019 7:37pm |
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| Caterham Member Since: 06 Nov 2008 Location: Birmingham Posts: 6298  
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am I the only optimistic one here?
check rear drive flanges  |
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2nd Mar 2019 7:39pm |
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| Grenadier Member Since: 23 Jul 2014 Location: The foot of Mont Blanc... Posts: 5804
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Will do that as well Caterham. I drive daily and negotiate a huge number of bends/hairpins, which on reading up seems to stress flanges/half shafts. Easy fix, so hoping its the cause. Monsieur Le Grenadier
I've not been everywhere, but it's on my list..... 2011 Puma 110DC - Corris Grey |
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2nd Mar 2019 7:53pm |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20334
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Bongo1 - Yes, same here but prop in situ all UJ's seemed fine when checked. It was only once off I could tell a single UJ had completely failed and the UJ spider arm was loos in the bearing cup and the roller bearings were mashed to dust non existent.
The rest were fine. All seemed okay in situ but once the prop was removed it was evidently clear. It seems to the the UJ's to the rear diff that are often the culprits and often on an 90. ⭐️⭐️God Bless the USA 🇬🇧🇺🇸 ⭐️⭐️ |
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2nd Mar 2019 8:12pm |
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| Grenadier Member Since: 23 Jul 2014 Location: The foot of Mont Blanc... Posts: 5804
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Noise is getting worse, so I took a video of the slack/play I have between T-box and Diff. There is little or no sound when slack has been picked up, gear engaged and in drive, but there is a distinct rattle the moment I clutch or disengage drive but the shaft is still turning. T-box, Diff, UJ?
Monsieur Le Grenadier I've not been everywhere, but it's on my list..... 2011 Puma 110DC - Corris Grey |
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13th Mar 2019 10:43am |
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| MK Member Since: 28 Aug 2008 Location: Santiago Posts: 2414  
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Actuaĺly you would need to remove the propshaft to asses the cause of the slack. Puma 110" SW
............................................................. Earth first. Other planets later |
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13th Mar 2019 11:09am |
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