 | Home > Puma (Tdci) > Diff lock won’t engage |
 
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| Julie Member Since: 07 Oct 2017 Location: Nantes Posts: 466   
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Is it the diff or is it just the yellow control light ?
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6th Mar 2022 9:20pm |
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| Charlie_landy Member Since: 06 Mar 2022 Location: Nottinghamshire Posts: 8 
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Thanks for reply, it’s the diff that won’t engage aswell as the light.
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7th Mar 2022 6:44am |
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| Bluest Member Since: 23 Apr 2016 Location: Lancashire Posts: 4196  
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I have this issue too, but my lever doesn’t feel like it’s moving properly. I just haven’t had chance to investigate yet. 2007 110 TDCi Station Wagon XS
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7th Mar 2022 8:42am |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17327 
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Usually this is because the selector mechanism has atrophied through lack of use and consequent lack of lubrication, but remedying it is not necessarily straightforward since it depends on which part has atrophied.
The first step is to get underneath and ensure that the external linkages are moving freely and fully. If they're not, you've probably identified the problem, and judicious application of lubricant and moving the linkage may solve it. If the external linkages are moving freely and fully and you still have no difflock, then it is overwhelmingly likely that the selector fork has seized on its shaft in the transfer box. It is possibly (but extremely tricky due to poor access) to deal with this with the transfer box in situ if you remove the access panel (7 bolts on the nearside face of the front output housing of the transfer box) and lubricate the shaft and fork and manipulate the fork manually. It is sensible to operate the CDL fairly regularly to make sure that it remains free and lubricated especially on vehicles which do low mileages. |
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7th Mar 2022 8:56am |
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| Charlie_landy Member Since: 06 Mar 2022 Location: Nottinghamshire Posts: 8
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I took the chubby box out and can see it all moving freely. I use the diff once a month to make sure it doesn’t seize. Looks like it’s gonna be a trip to the garage. Thanks for your help
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7th Mar 2022 10:13am |
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| Charlie_landy Member Since: 06 Mar 2022 Location: Nottinghamshire Posts: 8
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I engaged the diff lock this morning. Reversed on the drive, jacked it up and the wheel unspun a few inches. When the wheel was jacked up it wouldn’t spin.
Then I took it out of diff lock jacked one wheel up and the wheel would spin. Does this mean diff lock is engaging and the light on the dash isn’t working? It has worked in the past. |
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13th Mar 2022 11:22am |
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| Charlie_landy Member Since: 06 Mar 2022 Location: Nottinghamshire Posts: 8
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I engaged the diff lock this morning. Reversed on the drive, jacked it up and the wheel unspun a few inches. When the wheel was jacked up it wouldn’t spin.
Then I took it out of diff lock jacked one wheel up and the wheel would spin. Does this mean diff lock is engaging and the light on the dash isn’t working? It has worked in the past. |
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13th Mar 2022 11:22am |
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| htb2 Member Since: 02 Nov 2018 Location: Carmarthenshire Posts: 524 
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Yes correct, Diff lock is engaging but the light is not working, could be be switch on transfer box or wiring further upline.
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13th Mar 2022 12:44pm |
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| Charlie_landy Member Since: 06 Mar 2022 Location: Nottinghamshire Posts: 8
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We’ll that’s good news, thanks for your help. I’ll have a search and see if I can diagnose which one it is. Thanks again charlie
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13th Mar 2022 2:20pm |
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| Charlie_landy Member Since: 06 Mar 2022 Location: Nottinghamshire Posts: 8
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 Click image to enlarge I’ve had another look under the cubby box and the black cable is disconnected on the connector. Does anyone know what it’s for please? |
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13th Mar 2022 8:02pm |
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| CallumB Member Since: 22 Sep 2018 Location: Norfolk Posts: 87 
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Hi Blackwolf, hoping you can add further advice to this thread. I've just been under my 2.2 110 trying to free my diff lock to no avail. All oiled up and the mechanism appears to move OK*, as well as the shaft into the transfer casing. *However, the shift lever doesn't seem to want to stay either to the right or left when selecting CDL off or on respectively. The shift lever springs back to more like the middle of the travel (you can see this on the video I shot of it: https://youtube.com/shorts/8eJMydeqJXc?feature=share). This doesn't effect either High or Low range selection (I get why as this is a separate linkage as you stated in another post I think). Do you think its the fork issue you described or maybe a faulty shift lever? I'm worried that the previous owner has stripped something by maybe accidentally having it in CDL on and driving fast! Thanks in advance. |
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25th Aug 2024 1:35pm |
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| Mo Murphy Member Since: 01 Jun 2008 Location: Letchworth Garden City, Herts Posts: 2215 
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Try driving slowly forward holding the lever over in diff lock until it engages. You need to have the diff rotating to engage diff lock.
Mo The Land Rover 90 - Many are called, few are chosen. 50 Shades of Pennine Grey |
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25th Aug 2024 1:49pm |
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| CallumB Member Since: 22 Sep 2018 Location: Norfolk Posts: 87
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Thanks Mo. Tried that a dozen times and no luck
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25th Aug 2024 2:16pm |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20290
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This.  ⭐️⭐️God Bless the USA 🇬🇧🇺🇸 ⭐️⭐️Last edited by custom90 on 25th Aug 2024 4:21pm. Edited 1 time in total |
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25th Aug 2024 3:55pm |
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