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shughes

1995 VW Golf overheating - sometimes.

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Hi, i got a 1995 VW golf (automatic) about 4 weeks ago. All was fine until it started overheating - checked coolant, it was empty, so topped it up. Was fine for a week or so but pass few times i have driven has started over heating again.

the strange thing is, the temp goes up and down. and there doesn't seem to be any particular reason for heating up - temp can go up when the car is going or when stationary. But then 5 mins later the temp is back to the middle of the gauge again.

anyone come across this problem before?

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Could be the thermostat. Coolant sensors are also prone to failure on these cars as are the fans

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Thank you! think i'm going to have to get it looked at. Just drove for 30mins and it was flashing at me 15 mins in. Got home, parked up, turned the engine off the the coolant went mental - bubbling, a lot of steam. Fan didn't kick in either :(

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As I said fans are a common failure but don't drive it until yoh get it looked at. If it's getting that hot there is a risk of warping the head.

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I have a 1994 1.4L Petrol VW Golf.

The car froze in the winter and pushed out some plug on the left of the engine block. This would just leak coolant (water) quickly. Once replaced I found that I had a couple of leaks in the rad. Used rad weld to sort out the leaks - which it did.

2 months later: Whilst driving, water temp has been going up to 110C, internal heater stops working - then heater would kick back in and temp would drop back to around 75C (I think the sensor's pretty knackered)

Driving yesterday on motorway. Steam entering cockpit from dashboard and steam from bonnet. Pulled over to find no water left in reservoir. Let cool - filled with water and drove home.

Today: Have flushed out the rad weld and remaining coolant, as I thought it might be causing a blockage. Water flowing freely through radiator. It appears that the water is circulating into the reservoir - so i'm assuming the pump is working.

I can't see any water under the car or leaking from anywhere, but there is a large amount of pressure building up in the pipes too and from the radiator whilst the engine is running. All pipes are hot (inc. too and from rad)

Is this a head gasket problem? Or could it be as simple as broken impeler on the water pump?

I can't see any emulsified oil in the water or in the oil filler cap.

If it is a head gasket, how can I fix it - I like a challenge, but i also like to know what I'm doing!

Any help much appreciated!

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