Quizzes & Puzzles18 mins ago
Diagnosing a blown head gasket
I recently had to top up the coolant when the heater output started to fluctuate without any advance warning. It's been back in and checked out under guarantee but I'm still not 100% happy. Also noticing the famous sludge in the oil filler cap, and a fair amount of steam out of the exhaust.
Am I being paranoid?
Answers
No best answer has yet been selected by ianess. Once a best answer has been selected, it will be shown here.
For more on marking an answer as the "Best Answer", please visit our FAQ.How is the engine running ? I'd have thought that if the head gasket was blown from a cylinder to both water and oil, it would be running like a bag of spanners.
Have a look at your spark plugs, ideally they should be dry and a tan colour, there is a series of pictures in all haynes manuals to compare them to to aid diagnosis.
To be absolutely 100% though, the best bet would be to call out a diagnostics guy, he will do compression tests, use a probe in the exhaust to test for water and/or unburnt fuel and test your coolant for traces of hydrocarbons too for about �35, at least then if there is a problem, you will have it in black and white for your warranty.
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