The radiator on my Peugeot 106 has started leaking very badly and need replacing. I don't have time to fix it at the moment, so I'm taking it to a garage. How far can I drive it without damaging the rest of the car? Or do I need to get it towed?
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In the case where you run it too hot, you could start messing up your head gasket or warping the head itself. If you have to, in a warm climate, use distilled water or just keep replacing the antifreeze until you can get it somewhere, after which you'll have to have the whole system flushed.
If you live in a cold climate your engine block could freeze and crack. Definitely do not use water in this case.
Are you just leaking from a hose or the radiator somewhere? You might already have a blown head gasket and you could be burning off the antifreeze in the engine. Is there any film or other liquid in your oil?
I would tow it if it's as bad as you say; head gasket repair can run $600 - $1,000 or more. A few bottles of antifreeze to get you there is obviously a considerably smaller investment (though I'm not sure how much your city will like you leaking antifreeze all over).
I would not recommend driving with an empty radiator, that could cause the engine to overheat as well as damaging the water pump.
It depends on how much you are leaking. I've had a leak in a radiator and had to take it somewhere a few times, here's what I usually do.
You should be able to take a vehicle at least 5, maybe 10, miles by following this advice. I should say that I live in an area that never freezes, so...
A much cheaper option then towing, but which will ensure that nothing gets damaged, is for you just to fix the leak temporarily on the spot with some putty. I've seen cheap putty specifically for the purpose of fixing leaking radiators sold at many gas/petrol filling stations.
As with many things, it depends. I was once in the car when my dad drove about 15km at highway speed, not taking any special care, before remembering that he’d drained the coolant system of his Saab 900 and forgotten to re-fill it. The engine was up to temperature by that point, but we stopped straight away, found some water, and filled it up, and no obvious damage occurred — the car still runs fine years later.
On the other hand, you could drive a few hundred metres and blow your head gasket. In your situation, I would get a friend to tow the car to a garage, or maybe ask the garage if they can tow you — maybe New Zealand garages are just friendly but a lot of them are happy to!
If towing is not an option for some reason, and it’s not leaking too quickly, I’d just pull over regularly to top the radiator up.
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