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Showing results for tags 'coolant system'.
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I have a lister LPW3 water cooled engine. I noticed that after driving for around 3 hours, my coolant level rises approx 20cm in the header tank. After 3 hours, I should be getting hot water, but it's luke warm. Could there be an air gap being created each time the engine runs? If so, how can the radiator/coolant system be bled?
- 19 replies
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Hi peeps. Some advice needed please. I'm in the midst of the first full service our Isuzu 42. I'm endeavouring to do it all, and to do it properly, as the previous owners seem to have done nothing. Ever! I need to drain the coolant from the system, as it certainly hasn't been done for three or more years. The tank on the swim has two hoses, but both are at the top, at either end. (I'd have thought that one would be at the bottom, from what I've read here.) There is no obvious drainage point, but quite a few bleed valves. There is also a calorifier circuit. We are trying to not spend lots of cash, so I can see three options: The brass hand pump that's set up for pumping oil from the sump. Modify an old bilge pump that I have recently replaced. Use the engine's coolant pump to push everything out. The bilge is clearly the better solution, in terms of time and energy. I figure I can dismantle it, and then attach an intake hose, which can be placed into the keel tank/radiator, once the top half of the system has been drained (either by gravity or by the pump.) If I were to use the engine pump, I imagine I'd disconnect the hose that sends coolant into the engine. The problem I can foresee is that the pump might need to be primed, or might be damaged by pumping air? I don't think that the engine could be damaged by such a short run... but am uncertain. The brass hand pump would be laborious, and also, I would have to find a way of fitting a tube to the thread at its base. In any of these scenarios, I would of course store the coolant in a suitable container, and dispose of it properly. Thanks for suggestions!
- 15 replies
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- bilge pump
- coolant system
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