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Before lashing out on a new pump, it might be worth taking the cover off the terminal box to make sure there's no damp. Perhaps get a hair drier on it.

There has to be a temperature difference between the grid and the air in order to dissipate the heat. The maximum grid temperature must be in the design. Not really. Maybe it's down to type of refrigerant - perhaps some will freeze solid at too low, not a good idea! Perhaps types that can't...

I assume it's that with the installed compressor power there is a maximum heat flow, at design maximum ambient temperature, and minimum freezer temperature. If the ambient temperature goes higher, the heat flow falls, because the grid cannot dissipate the heat. But it would be nice to think...

You've been reading your Karl Popper!

So would I

I wouldn't disagree with that :giggle:

Well yes, there must be a limit on ambient temperature above which it can't do the job

As well as more heat entering when ambient is higher, it has to reject heat via the heat dump grid, which also gets harder. It seems to be doing pretty well! We're not suffering quite as much round here, but it's bad enough. I've had a few, but none has lasted as long as the current Bosch...

Good explanation! I don't think that's quite right, as lower temperature makes it easier to liquefy the refrigerant (in the heat dump grid on the back of the freezer). I would guess it's down to the choice of refrigerant. The temperature in the evaporator must be something like -25°C (at a...

As I said in #101, my current car has tyre pressure sensors installed in the valves (works very well). Tyre fitters don't mention changing them, but I don't suppose the seal into the rim is any less likely to leak than conventional valves. Have motorists been ripped off for decades paying for...

Still not answering. I'm sure you'll be back for the last word, please yourself, I won't be reading any more of your idiotic posts

As usual, don't answer a question, just troll on.

I know you're just trolling, but earlier you said the reason you knew it was losing air was because it wasn't as round as it should be. Apart from that being nonsense, have you done any proper tests, like with soapy water, or immersion in a tank?

So you've no idea whether it's leaking between valve and rim or not. OK I know you're having a game

Yes, a bit odd there is a minimum temperature, I'd have thought the colder the ambient the less work for the freezer! But apparently not. Minimum varies between brands, deffo worth checking before buying. OP's shed likely to get cold.

Is there a flatter bit where it sits on the road? All the more reason to take it back and have a barney with him

If so it's the fitter's problem, so take it back. And you haven't answered but how do you know? Soapy water bubble test?

I know this has been done to death, but how do you know? Soapy water bubble test? I've always been sceptical about need for a new valve at each tyre change, just something to get a few more ££ out of you. Valve in rim should last the life of the car IMO, and if the core leaks it can be...

Made worse when patients who should be confined are let out because of racist quotas.

Who's speculating? Mental illness would be a less blameworthy explanation than some alternatives Yes, but that doesn't alter the fact that they should be taken out of circulation if they're a danger to themselves or others. Is that supposed to be an answer to my question? Haven't you anything...