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okay its just dawned on me i may have a bigger issue with my new purchase than i thought. Its a '96 cordoba 1.9D and it has an overheating problem, i bought it cheap thinking 'ahh that'll be thermostat, piece of pi$$' my train of thought is this.. after 7/8 miles it gets too hot for me to want to continue, except it blows cold air from the heaters while doing so.. would this be a classic sign of water pump failure? i have no experience with this sort of thing so any help/suggestions are greatfully recieved!
chris
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Is it just the temp gauge? Does it actually blow steam?
First things first, check the basics. Is there water/coolant in it? Does the radiator get hot, or just the engine? Do both the top and bottom radiator hoses get hot? If you take the radiator cap off (from cold) and start it up, can you see water circulating in the radiator once (if) the thermostat opens? Normally the radiator water should be still to start with, and if you leave it idling with the cap off for a few minutes, the thermostat will open and you should be able to see the water moving around.
If the rad is cold and the engine is hot, then obviously you have a complete lack of water circulation. If the rad is hot and you can see water circulating around it, then you might need to check for blocked airflow to the radiator, or the thermostat or fans not functioning correctly.
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It's funny you mention the guage as the rev counter doesn't work, but it's deffinatly getting too hot, not checked any of the above yet, there is a small hiss when it's hot, and the cap on the resevuoir popped and steamed(well under pressure) when I topped it up
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If the heater is blowing cold, check to see if the heater hoses are actually getting hot ( both in and out of the matrix). Some cars ( not sure if these do) have a bleed point in the coolant system usually at the highest point. If there has been a problem in the past that someone has tried to repair, it COULD ( not shouting, don't know how to underline) be as simple as they didn't bleed the system when they refilled it which could give you the symptoms you describe, it could also be that the matrix is blocked and needs back flushing, however, this wouldn't stop the rev counter working.
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Rev counter and flashing oil light are down to an isolator switch someone has bodged in according to an eleccy..?
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Apr 28, 2013 10:39:18 GMT
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The water pump is sometimes driven by it's own belt on these depending on whether you have pas or air con or both - is this belt even on? Could also explain the lack of revcounter which are sometimes driven off the alternator.
Rev the engine with the filler cap off, you should see water circulating. If the stat is stuck shut, the heaters will blow hot, unless the matrix is blocked or something.
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Apr 28, 2013 15:39:28 GMT
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Used it for work this morning as temp insurance doesn't finish til tonight, I also clocked a slipped belt that has moved across a tooth and its pretty much foobared. It will have to wait until I'm off during the week, Luckily I still have the polo for now
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Apr 28, 2013 22:17:39 GMT
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rld14
Part of things
Posts: 351
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You've either got an air lock in there or the heater core is blocked/bypassed.
I'd check for an air lock first...
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88 BMW E28 M5
62 Vauxhall Velox
60 Vauxhall Velox
60 Lincoln Premiere Coupe
60 Lincoln Continental Mark V Convertible
54 Ford Customline Fordor
32 Ford Roadster
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