My car I slosing coolant

  • 99,000 MILES
My car I slosing coolant. I travel approx 35 miles to work and back. The coolant light comes on in the morning as I reverse from the drive. I top up, and drive with no problems. I get in the car 6 hours later, as soon as I set off the coloant light comes on, and resovior is very low. Ive been doing this daily now for approx 2 weeks. The car has been pressured up with a machanic and no leaks detected. I was however able to collect some (not a lot) water with anitfreeze by placing a roasting tin underneath the drivers side when left overnight. For this reason, it was assumed it was the water pump, and this was replaced. Car ran fine for a day, then problem occured again. The whole system has been flushed at least 3 times. Ive laso had a sealant added to the radiator incase of pinholes. Im not showing the typical signs of blown head gasket, except a slight misfire when engine is cold, but this has been there for months. I can smell coolant through my heaters as car warms up too.
Oh, and when it first started, my temp was running up to 130, then back to 90, so the thermo was also changed. Temp gauge has been fine since, but im still slosing collant somewhere. Please help!
Friday, December 7th, 2012 AT 7:12 PM

1 Reply

Common leaks are from the plastic coolant flange on the side of the cylinder head.

The water pump is on the passenger side (here in North America), so if the leak is on the driver side, check that coolant flange.

What size engine?

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Saturday, December 8th, 2012 AT 12:36 AM

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