Radiator Expansion Water Tank Cap Compatible for Fiesta Focus C-Max Mondeo

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You can of course improve your personal cooling a bit with various supplementary fan and evaporative solutions. Look up “swamp cooler” if interested, though I doubt you want to get quite that elaborate. IF your mechanic says he has done that test (its a chemical test kit) and you believe him, that seems to be that, unless that kit does false positives, which AFAIK it doesn't. Its not really a compression tester as the term is usually used. Its testing for radiator pressurisation, with a FSD of 5 psi, so it'd be more sensitive to damage than a compression test, but perhaps still not sensitive enough. So much confusion over a simple system! I take it none of you are plumbers or heating engineers? It works exactly the same way as your hot water tank or central heating radiators at home.

IIRC, the OP did not tell us the reasons for the water pump replacement, referring only to a coolant leak, but the reservoir blowing was said to follow-on from it,In the winter, engines need to be stopped from freezing up and causing irreparable damage. You may need a replacement car cooling fan, car radiator, expansion tank, or intercooler, and at Halfords we’ve got it all. Car Air Conditioning Bit like windscreen wash can buy it concentrated or ready mixed strength depends on environment. Advantage premix you don't have to test it with an antifreeze strength tester. Yes thats why its called an expansion tank! When cold it should be at max level or close too in use it should not go below min level The puzzling aspect is the leak stopper suggestion. AFAIK there's no leak stopper to seal from within the combustion chamber (There are goos that are supposed to restore some compression but I THINK they are supposed to seal the rings).

Your car’s heating and cooling systems are important factors in having a comfortable ride all year round, but especially in extremely hot or cold conditions. Car Cooling SystemI wouldn't do that, and I probably wouldn't buy the kit they use, but it should be possible to adapt another form of pump. You can buy products in Halfords to seal leaks. There is no need to drain the coolant, just remove enough from the filler tank and add and follow the instructions. There is a lot of pressure in the cylinder head so how effective a seal you could get here is debateable, It'll only do that if it leaks coolant into the combustion chamber, or blows its coolant out / overheats during testing. As well as the temperature issue, the engine seems to start struggling, stuttering/jerking a little when I am pulling away from idle or accelerating (particularly in low gears) after I have been driving for about 20-25mins, although varies depending on how hot of a day it is so I assume this relates to overheating? The motion is similar to that when you're close to stalling but not quite as bad yet. A colleague has suggested that it could be head gasket related, however this was previously ruled out by a mechanic (and I have hoped and prayed that it isn't as I don't want it to conk out entirely one day on my way to work/home). Any advice would be greatly appreciated as I am desperately trying to keep the car going until Sept/Oct when I will be looking to replace it altogether.

I'd assume that'd be the chemical test for CO2, because I'd assume its commoner, but "some tests" isn't a specific description. The OP is unlikely to want to bother with that though, especially as he already has some blowing from the coolant reservoir so couldn’t easily detect any local boiling due to modification. The leak has definitely been repaired and despite the coolant bubbling after every trip to/from work, it doesn't look to have decreased in volume in the reservoir. The running temp (on the dashboard at least) seems to be normal, the only thing that's changed is that the fan boots in a lot sooner than it ever had done beforehandI did, however, realise that there are sometimes no bleed points, because I think that's all I've ever had on any of my cars. Can't remember it being a problem before. Clarkson cut holes in his classic Range Rover bonnet on the Bolivia Special to ameliorate an overheating problem, but that would affect resale. Less permanently you could remove the whole bonnet, but I donno how legal that would be in the famously anal UK. If there was no overheating, the water pump replacement is a bit suspect, but is unlikely to have caused a head gasket failure, which seems to be suspected by the OP.