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Littlegreenmini Prep And Refinish @ Mill Road Garage Iow

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#136 Ben_O


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Posted 12 September 2021 - 06:22 PM

The other hose connection on the float chamber is for overflow. Take a hose off of it and run over the transfer case and down.


I believe it is normal for the inner cylinders to run richer so is probably fine.


Didn't you say you flushed the rad and it seemed fine?

It does sound like a blockage possibly though.


Might be worth sticking a hand in the heater box inlet beside the clutch pedal and try turning the plastic barrel fan to see if it's caught up.




#137 LittleGreenMini


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Posted 12 September 2021 - 07:23 PM

Thanks Ben,


I wonder if the bottom hose is blocked, it's the replacement that I bought before taking it off the road several years ago, I reused it as it seemed supple and hadn't perished at all, but could be blocked by all manner of things! I think I'm going to have to strip the cooling system down and check it all. 


I hadn't thought about accessing the fan from the side. I'll get in there and check it tomorrow evening.



#138 LittleGreenMini


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Posted 13 September 2021 - 08:04 PM



I've now got the water pump off, and this still looks fine, shaft in tact, no major corrosion etc. Anything in particular I should be looking out for?


I've flushed the engine, radiator and heater system through and everything looks clean as anything and flows really easily.


Checked the thermostat again and this opens fine.


I'll be removing the head tomorrow as i need to inspect the mating surfaces and replace the gasket for a higher quality one (seemed to be weeping from between the top and bottom faces of the gasket). When I do this I'll check the waterways in the head too.


Heater fan moves freely. Now I've drained down the system I'll remove it and check it from a secondary supply to find out where the problem lies.


I'll get it all back together and see how i get on.



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