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Old 11th October 2015, 15:43
WorldClassAccident WorldClassAccident is offline
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Default Car overheating - air lock or water pump?

I have replaced the air intake and the engine runs. Hooray.

A quick test run showed everything was good. After about ten minutes driving I decided to head over to my favourite private stretch of road. As I was driving there I noticed the thermostat was starting to rise. It was quickly approaching the red and coasting down a hill didn't seem to stop it.

I pulled over and left it to cool before driving slowly home. The temperature rose quickly even when just pootlng home.

Sat on the drive just ticking over the fan is on and the temp sits about right in the middle of the gauge. If I turn the interior heater on full thee is no warm air blown through.

If there is some kind of air lock, is there an easy way to clear it?
Any way to tell if the pump has definitely failed!
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