 | Home > Maintenance & Modifications > Coolant flush.. Help |
 
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| grumpy old git Member Since: 16 Nov 2013 Location: United Kingdom Posts: 153  
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i did ours just before last winter using the Holts Rad Flush kit. One part goes in to descale and clean, the other neutrailises this. During the flushing phases I gave it a good blast with the hose, especailly the heater then filled it with 50% distilled water. I didn't remove the fan or the rad, all flushed in situ. After a new stat even though the old one was fine the heater is much better now.
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21st Jul 2014 11:58am |
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| souster4 Member Since: 11 May 2014 Location: West midlands Posts: 153
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Thanks grumpy old git very helpfull.
Did you remove top and bottom rad hoses? And flush through Same with the heater hoses? What about the drain plug on the block? And I think I'll use the holts also. Then how did you go about re filling the system? Did you bleed it? Sorry for all the questions |
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21st Jul 2014 2:17pm |
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| grumpy old git Member Since: 16 Nov 2013 Location: United Kingdom Posts: 153
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No problem
Did you remove top and bottom rad hoses? And flush through Same with the heater hoses? I removed the top / bottom hoses and flushed though. Took the top plug out of the rad and stat housing and gave it a good blast with the hose in as many directions as possible. I undid the heater hoses from the rail and flushed in both directions. What about the drain plug on the block? I didn't remove this, I figured that enough water was going in all directions that it should shift most of the old coolant. I was worried about it shearing to be honest as I have no idea when it was last removed. And I think I'll use the holts also. There is a fill / run / flush to be done with both parts so you can be sure most of the old coolant is out or at least so diluted not to be a problem. Then how did you go about re filling the system? Did you bleed it? I refilled the rad though the top plug until it was full, them moved onto the stat housing until it overflowed. I put the full 5L of concentrate in first, then topped up with distilled water. The heater was on full. This was roughly up to the seam in the header tank. Gave it a run until the temperature was up to normal then checked levels. The heater was actually hot so I must have shifted a bit of crud! Sorry for all the questions It might be worth you getting a pair of the brass rad plugs, part number ERR4686B , O rings ERR4685 |
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21st Jul 2014 5:42pm |
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| jst Member Since: 14 Jan 2008 Location: Taunton Posts: 8155  
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just dont be too ham fisted with the brass plugs, the thermostat housing thread is easy to mangle. Cheers
James 110 2012 XS Utility 130 2011 M57 bespoke Camper 90 2010 Hardtop 90 M57 1988 Hardtop |
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21st Jul 2014 7:52pm |
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