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| HansT Member Since: 25 Dec 2012 Location: Mariefred Posts: 173   
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Today when I topped up the expansion tank with coolant I noticed that the coolant cap was a bit odd. The o-ring on the cap has nothing to seal against in the tank - see picture.
Also when I squeezed the top hose you could hear air escaping through the cap. I have not noticed this before and I have had the car now for a year and a half and I have topped up with coolant 3-4 times. Is it the wrong cap or is something missing in the tank? I guess the engine is running too cold if the cap is not tight? If it is wrong cap - what is the correct part No? My defender is TD5, MY 2004.  Click image to enlarge Last edited by HansT on 26th Nov 2014 5:40pm. Edited 1 time in total |
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26th Nov 2014 4:48pm |
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| Fifth Horseman Member Since: 08 Mar 2011 Location: Lanarkshire Posts: 323  
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TD5 and TDCi indeed share the same cap PCD100160
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26th Nov 2014 5:11pm |
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| driver9 Member Since: 15 Oct 2012 Location: Suffolk Posts: 111 
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The colour of the cap is either yellow or black depending on the manufacturer. The one in the photo is not correct design. The part number is PCD100160.
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26th Nov 2014 5:11pm |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20376
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Yellow normally signifies Britpart.
 Blue Bearmach.
Neither would be of much interest to me. |
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26th Nov 2014 5:18pm |
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| michaelwl Member Since: 19 Nov 2014 Location: Durban Posts: 65  
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Genuine LR one is black PCD100160 2002 110 TD5 White
1981 S3 R6 Matt Green - Now used as game viewer 2013 Discovery 4 XS |
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26th Nov 2014 6:01pm |
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| HansT Member Since: 25 Dec 2012 Location: Mariefred Posts: 173
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Thank you very much guys for this information. I will order the correct cap from one of the sponsors
Do you think that fitting a correct cap will also improve the cab heating performance? |
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26th Nov 2014 6:33pm |
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| michaelwl Member Since: 19 Nov 2014 Location: Durban Posts: 65
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What heating performance.
 2002 110 TD5 White
1981 S3 R6 Matt Green - Now used as game viewer 2013 Discovery 4 XS |
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26th Nov 2014 6:35pm |
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| HansT Member Since: 25 Dec 2012 Location: Mariefred Posts: 173
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I know that in Johannesburg you do not have to worry that much about cab heating but here in Sweden it is another matter
I have fitted electrical block heater, electrical and diesel cab heaters and maybe it was enough to replace radiator cap  |
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26th Nov 2014 6:46pm |
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| shaggydog Member Since: 12 Aug 2012 Location: Kent Posts: 3347 
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Might be worth giving your Heater Matrix a good flush through with a hose and checking your heater control cables are set up properly.
Early defenders can have very good heaters- as long as they are set up and looked after properly. Running Restoration Thread http://www.defender2.net/forum/post323197.html#323197 Self confessed mileage hunter  |
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26th Nov 2014 7:03pm |
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| 110MGD Member Since: 17 Oct 2013 Location: Wear Valley Posts: 153 
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It hasn't been unknown for older caps seals to wither with age, and not form a seal around the top... I was thinking of cracked heads and allsorts due to overpressurizing etc etc. . So bought a new cap for about £6.00 - hundreds of miles have now been done, not even a dribble around the top! Job done! 2001 Td5 CSW (weekend and snow mobile) Plenty of lights, M/T tyres EGR delete, roofrack, swing away wheel carrier, snorkel.
2016 E220 CDI Night Edition Estate 2014 VW UP! 2x D3 and 1x D4 GONE |
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26th Nov 2014 7:16pm |
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