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post #1 of 26 (permalink) Old 2 Weeks Ago Thread Starter
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Light brown sludge in coolant

Hi all. This is my first time posting, and my first Renault. I'm wondering if anybody can help with this.
I bought a 2006 Megane Coupe Cabriolet 1.6 with 119,000 km on the clock.
I did a full history check on the car before I bought it and there has only been one owner from new.
It has been running fine except for it missing a couple of times first thing in the morning, then it's ok for the rest of the day.
I bought it from a reputable dealer and I trust him so I didn't check anything under the bonnet.
After the 5th day of owning it I got a " Oil Low" message so I topped up the oil . While I was topping up the oil I decided to top up the coolant, and when I opened the reservoir cap it was FULL of light brown creamy sludge. I asked a mechanic friend to have a look and he said, straight away that it's a leaking head gasket.
He unclipped a pipe (I'm guessing from the radiator) and it had some water/coolant in it and also the brown sludge.
He checked the oil cap and dipstick and they both look fine (just oil and no sludge).
The car was running fine (except for the cold start thing I mentioned) and the temperature gauge never went any further than two thirds up the dial.
I took it back to the dealer and he also suspected the head gasket has a leak so he has the car this week to work on it and (hopefully) sort it out.
My question is, have I bought a dud? or does a head gasket wear out like that? Should I be looking for my money back?
I'd appreciate any expert feedback on this.
Cheers
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post #2 of 26 (permalink) Old 2 Weeks Ago
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Re: Light brown sludge in coolant

a head gasket will fail at some point and those that drive when it is overheating evan more so
i am not saying he will but make sure it has a new gasket not just some gunk put into the water to seal the gasket for a very short time
as the head has to come off at the same time the cambelt and water pump should be changed so i would expect a service stamp /receipt to show this
he should only have the car for a day
Ron
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Re: Light brown sludge in coolant

Thanks bugsb I appreciate your quick reply. I was wondering how long it would take (it's all new stuff to me).
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Re: Light brown sludge in coolant

Wont he have the head skimmed,,,,,,,,..

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Re: Light brown sludge in coolant

Quote:
Originally Posted by ours2012 View Post
Wont he have the head skimmed,,,,,,,,..
Does the head need to be skimmed (in general) even though there was no overheating? Sorry for my ignorance on this, I'm a complete novice with engines
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