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Volvo MD2030: Draining Coolant

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Brightside View Drop Down
Commadore
Commadore


Joined: 07 October 2003
Location: United Kingdom
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Points: 378
Post Options Post Options   Thanks (0) Thanks(0)   Quote Brightside Quote  Post ReplyReply Direct Link To This Post Posted: 03 January 2010 at 09:40
Hi Gregor.
A close-up photo of the coolant drain valve would be good.

Regards
Mike
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echoofwight View Drop Down
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Joined: 08 August 2007
Location: Portsmouth UK
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Post Options Post Options   Thanks (0) Thanks(0)   Quote echoofwight Quote  Post ReplyReply Direct Link To This Post Posted: 03 January 2010 at 16:58
Hi all, 
 
Although the 2010/20/30 now come with the plug, early 20 series engines came with a tap.  As far as I know these taps are still available to buy from Volvo and cost about ten pounds (UK).  They are a direct replacement for the plug.  I fitted the tap to Echo’s engine the first time I changed the coolant.  Coolant changes now take about ten minutes.  I leave a hose permanently attached to the tap and I put the end of the hose in a bucked,  open the tap and the coolant drains,  then leave it open and flush through with fresh water.  Close the tap and fill with coolant.  I was advised by a Volvo engineer to change the coolant each year as it prevents corrosion.
 
I attach a picture of echo’s engine and you can see the plug.   If you look at a parts list for a 20 'a' series, it shows the tap, if you look at parts list for 20 b/c/d, it shows a plug, I guess the plugs are used, as they are cheaper than the tap.  Not as easy to change the coolant though!

You still have the problem of getting the plug off, I used a 3/8 socket the wrong way round as suggested.  To turn the socket I used an Allen key.

Steve. Hanse 341 Echo of Wight, . Deep draft and rudder, white hull, Single aft cabin. Raymarine instruments. Furuno radar. Garmin AIS. Wheel Steering,   Portsmouth.
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Brightside View Drop Down
Commadore
Commadore


Joined: 07 October 2003
Location: United Kingdom
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Points: 378
Post Options Post Options   Thanks (0) Thanks(0)   Quote Brightside Quote  Post ReplyReply Direct Link To This Post Posted: 03 January 2010 at 19:44
Hi Steve.
Thanks for the photo.
I've found a reference online.
Volvo Part Numbers:
VOP 861 824 Drain Cock
VOP 3850290 Adaptor.


My MD2030D 2002 drain plug showing damage by trying to use a 12 point socket (used on normal Hex nuts) which failed to shift it.


The Plug unscrewed using the 17mm 8 Point socket from UKTools.com.



Regards
Mike
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Gregor View Drop Down
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Joined: 11 February 2006
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Gregor Quote  Post ReplyReply Direct Link To This Post Posted: 03 January 2010 at 20:31
Hi,

As requested, pictures of plug on the VP MD2020D





Gregor
Uisge Beatha

Previous boat: Hanse 311 #80

http://www.uisge-beatha.eu
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