Home > Technical > Heater matrix |
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landy andy Member Since: 15 Feb 2009 Location: Ware, Herts Posts: 5707 |
Disconnect the lever on the top of the heater box (under bonnet) and operate lever manually.
How does it feel? Can you hear it move/close flap? Does it stop the heat on test drive? |
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7th Jun 2019 5:46am |
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geobloke Member Since: 06 Nov 2012 Location: Nottinghamshire Posts: 4410 |
As above. likely to be either a slipping cable or a broken cable.
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7th Jun 2019 6:31am |
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donmacn Member Since: 06 Nov 2017 Location: Nth Scotland Posts: 1841 |
... even a visual check? Note the position of the lever on top of the heater, move the cable, is the lever moving at all?
It's a really basic thing. I have some pics somewhere of a dismantled heater, which from memory shows how the lever/flap works - if that would be any use to you. Donald 1994 Defender 300Tdi 110 SW - owned since 2002 - 230k miles and going strong (The 'rolling restoration' or tinkering thread: http://www.defender2.net/forum/topic58538.html ) 2000 Range Rover P38 4.0L V8 in the past.. RR classic - fitted with 200Tdi 1984 RR classic - V8 with ZF auto box 1993 Discovery 300Tdi not to mention the minis and the Type 2 VW camper... |
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7th Jun 2019 8:21am |
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Paddie42 Member Since: 24 Apr 2014 Location: Hamphire Posts: 230 |
I had a similar issue where is was very stiff to move the selector.
I removed the cable from the lever ontop of the heater box in the engine bay. Where the cable joins the lever there is a joint that should move so that the cable is always in the correct position to the heater matrix. This was very stiff. Some 3-in-1 oil and a little patience got this moving again. The cable was also a little stiff, so some 3-in-1 on that helped as well. I hope the above makes sense. Happy to take picture if it helps. |
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7th Jun 2019 11:01am |
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Procta Member Since: 03 Dec 2016 Location: Sunderland Posts: 5172 |
yeah lads get me some snaps, just so I have a good idea on what why and when, The old landy was spot on, but this one seems to be on constant warm or hot. Defender TD5 90 ---/--- Peugeot 306 HDI hatch back
Success is 90% Inspiration and 4 minutes Preparation # you can make it! |
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7th Jun 2019 3:09pm |
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Procta Member Since: 03 Dec 2016 Location: Sunderland Posts: 5172 |
I gave this a spray down and looked at the control on the heater box itself, on cold its pointing horizontal, then it moves to the driverside for the hot air, so I am suspecting something not right there. Defender TD5 90 ---/--- Peugeot 306 HDI hatch back
Success is 90% Inspiration and 4 minutes Preparation # you can make it! |
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21st Jun 2019 8:24pm |
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donmacn Member Since: 06 Nov 2017 Location: Nth Scotland Posts: 1841 |
Hey mate,
I mentioned pics a while ago - and then forgot I haven't got them here at the moment, but I did post them on this thread: https://www.defender2.net/forum/topic60066-30.html If you can, have a look and see if that helps? The flap in the box isn't sprung at all, so any movement will be coming from the cable. Donald 1994 Defender 300Tdi 110 SW - owned since 2002 - 230k miles and going strong (The 'rolling restoration' or tinkering thread: http://www.defender2.net/forum/topic58538.html ) 2000 Range Rover P38 4.0L V8 in the past.. RR classic - fitted with 200Tdi 1984 RR classic - V8 with ZF auto box 1993 Discovery 300Tdi not to mention the minis and the Type 2 VW camper... |
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21st Jun 2019 9:25pm |
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Procta Member Since: 03 Dec 2016 Location: Sunderland Posts: 5172 |
its moving, I am suspecting that the cable is seized. I will have bum up to my dad with his, just in case, mine is ok, and there is something else wrong Defender TD5 90 ---/--- Peugeot 306 HDI hatch back
Success is 90% Inspiration and 4 minutes Preparation # you can make it! |
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22nd Jun 2019 2:52pm |
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landy andy Member Since: 15 Feb 2009 Location: Ware, Herts Posts: 5707 |
You have previously mentioned that the spacers were missing from the in cab controls. Did this bend / kink the cable too tight? Maybe worth disconnecting both ends of the cable straightening as much as poss and work it back and forth.
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22nd Jun 2019 3:14pm |
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Procta Member Since: 03 Dec 2016 Location: Sunderland Posts: 5172 |
you know something, now that you mention it, I think I will buy the proper spacers and a new cable, in case that's been damaged as you say. Defender TD5 90 ---/--- Peugeot 306 HDI hatch back
Success is 90% Inspiration and 4 minutes Preparation # you can make it! |
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22nd Jun 2019 3:55pm |
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