Vauxhall Zafira Starting Mystery!

23 Sep 2009
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United Kingdom
Hi, twice in the last month my car (03 Zafira 1.6 Petrol ) has failed to start and had to be jump started. This is the only times this has happened (had car 18months) and on both occassions it happened after the engine had been running in idle for a few minutes with the heater on. Jump/push starting worked.

Simple as a battery problem or something related to starter motor?

Another issue which may or may not be related is that my heater had not been working for a week or so (only cold air blowing) I topped up the coolant and that sorted it. Not sure if I have a coolant leak as I had to put a lot in!

Any detectives who can help?
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Sounds as though the battery is on its last legs, they will go on starting the engine with only a very small reserve capacity but a relativly small continious load will soon flatten them.
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