 | Home > Puma (Tdci) > Revs not Falling Away |
 
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| Swollock Member Since: 16 Mar 2013 Location: Wellingborough Northants Posts: 259   
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I had the same the micro switch on the top of the clutch reservoir has failed and needs replacing. 2008 Defender 110 XS CSW
Volvo S60 T8 Triumph 1200 Rally Explorer G0UBX |
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26th Jun 2019 12:44pm |
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| lohr500 Member Since: 14 Sep 2014 Location: Skipton Posts: 1285 
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I wonder if your clutch switch is faulty and this may be causing the symptoms you describe?
There have been a few previous posts about the clutch switch and as far as I can tell from several replies, the switch is normally open. So you could try disconnecting the clutch switch plug and temporarily bridging the two terminals in the connector to see if this makes any difference. Or use a test meter to see if the switch closes when the clutch pedal is pressed. It may of course be nothing to do with the switch, but that's where I would start. Picture of the switch/connector in the 3rd response in the following thread : https://www.defender2.net/forum/topic64710...tch+switch |
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26th Jun 2019 12:45pm |
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| rockster57 Member Since: 15 Nov 2014 Location: West Yorkshire Posts: 937 
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Swollock, lohr500, I appreciate your ideas and suggestions. Thank you
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26th Jun 2019 12:53pm |
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| CDN38 Member Since: 14 Nov 2014 Location: Courtenay, BC Posts: 729  
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Had the same issue on my Td5, disconnected the clutch switch, problem went away.... which leads to the next obvious question. What is the purpose of the switch? it's a Landrover thing...
my renovation thread: http://www.defender2.net/forum/topic40792.html |
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26th Jun 2019 4:49pm |
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| sweatysock Member Since: 17 Jul 2011 Location: Warwickshire Posts: 283 
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plus 1 for clutch switch replacement Sweatysock
------------- 110 CSW TDCI (Puma) 2007 |
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26th Jun 2019 4:57pm |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 19578
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Sounds like the clutch switch. Bear in mind unlike the TD5, in a Puma you cannot just unplug it. It must be bridged. The connectors are Junior Power Timer.
The clutch switch is supposed to momentarily reduce torque load between gear changes. (Interfering with driver input.) If driven properly and with mechanical sympathy as everyone should it’s better to drive with it bridged. (You can make your own choices, your vehicle you chose.) Mine has been bridged for a few years now, I had the same symptoms as you had and it’s superb to drive now. It gives you better feel, better gear changes less sloppy gear changes and removes that aggravating increase in revs in low range. Anti stall in both high and low range are all kept working in perfect order, in low range even better in my opinion. If you get JPT connectors, get both male and female and a little bit of black thinwall 1mm2 with the seals and pins for the male You can then bridge it in a waterproof and dust proof manner. The other female plug, simply plug that on the obsolete clutch switch connector and seal the rear entries with black sealant. Then everything is kept clean and tidy. I wouldn't go back to the way it was before! Some may like it, others disagree but I prefer it. Cost is less than £15 for a fit and forget job. Diesel$ Live$ Matter. ⛽️🛢️👨🔧🧰⚙️ RED, WHITE & BOOST! 🇬🇧 |
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26th Jun 2019 5:08pm |
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| rockster57 Member Since: 15 Nov 2014 Location: West Yorkshire Posts: 937
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^^^ Steve, cracking explanation. I wasn’t aware of any of that. I fancy that solution. Thank you for sharing. I now know what to do, why I’m doing it and what to expect out of it. Nice one
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26th Jun 2019 5:23pm |
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| rockster57 Member Since: 15 Nov 2014 Location: West Yorkshire Posts: 937
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Update - turns out it was indeed a faulty clutch master cylinder switch. Thank you everyone for your input. Custom90steve, thank you also for taking the time and trouble to detail how you dealt with the problem when you experienced it. I’ve followed your example. Instant cure |
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2nd Jul 2019 9:23pm |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 19578
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Good job, glad your fixed and up and running.
I very much prefer the operation of it in low range, less rev rang and more control. Diesel$ Live$ Matter. ⛽️🛢️👨🔧🧰⚙️ RED, WHITE & BOOST! 🇬🇧 |
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2nd Jul 2019 9:40pm |
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| jst Member Since: 14 Jan 2008 Location: Taunton Posts: 7687 
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I need to do this, where can you get the aforementioned jot connectors? Cheers
James 110 XS Utility 130 Puma Station wagon/camper (in the making) 90 Puma Hardtop |
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3rd Jul 2019 9:15pm |
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| jst Member Since: 14 Jan 2008 Location: Taunton Posts: 7687
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https://www.ebay.co.uk/itm/VW-AUDI-VAG-2-W...SwVqlZ91Lz
Would this be right? Cheers James 110 XS Utility 130 Puma Station wagon/camper (in the making) 90 Puma Hardtop |
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3rd Jul 2019 9:58pm |
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| rockster57 Member Since: 15 Nov 2014 Location: West Yorkshire Posts: 937
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James,
I bought mine from here.... http://www.vehicle-wiring-products.eu/sect...connectors I bought the 2 pole female and male housings plus the corresponding terminals and a few plugs to create a dust and water resistant seal. |
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3rd Jul 2019 10:02pm |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 19578
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^^^^ That's the ones. There are a few suppliers around that sells them also. 2 pole for the clutch switch.
If I knew the positive effects before my clutch switch failed I would have done this sooner. Diesel$ Live$ Matter. ⛽️🛢️👨🔧🧰⚙️ RED, WHITE & BOOST! 🇬🇧 |
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3rd Jul 2019 10:09pm |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 19578
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Pics maybe of interest. Just stumbled across them from when I did mine. So thought I’d post up here.
 Click image to enlarge Click image to enlarge Diesel$ Live$ Matter. ⛽️🛢️👨🔧🧰⚙️ RED, WHITE & BOOST! 🇬🇧 |
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4th Jul 2019 4:52pm |
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