Club126UK
Fiat 126 Chat => Fiat 126 Mechanical Problem Solving => Topic started by: Westy on February 01, 2012, 03:55:11 PM
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My fan belt snapped on way to work this morning, I had about a mile or 2 to go so limped the last bit when I got there my engine smelt very hot would any permanent damage been done by allowing the engine to get so hot? I hear of head gasket trouble but I think that's the Bis mines an air cooled and they are quite alot tougher?
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did it stop? sounds like a bag of nails? then i wouldnt have thought it would have done to much damage. might be worth changing the oil if you havent done so in a while for piece of mind
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When my fan blew (but I did not know it) I knew something was wrong and tried to make it the 4-5 miles home . That was just a tad too far and the power had been tailing off until I had almost total loss of power about 300 yards to go at the bottom of a steep hill. When I opened the engine cover the heat was intense, the plastic fuel filter had blown up like an orange , was soft like a plastic bag and the petrol inside was bubbling with the heat. Vary , very scary which is why I will never use a plastic filter again. It was still pretty hot after about an hour & would not start.
All of the excess heat is around the top end , cylinders & head & in my case the stress made the cylinder head nuts loose and stripped the threads on the rocker mounting studs. However no major damage was caused so after a top end strip down and re-assemble the engine is now fine. I think I pushed my engine to the extreme limit at the time but if you only covered a short distance I suspect all will be fine but a good test would be to check cylinder head torque and tappet clearances :)
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My belt broke, I only drove about 2 miles, Head gasket went. They really don't like getting that hot.
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I think the freezing weather would have helped and you might get away with it without any serious damage.