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Originally Posted by sporty I have a knock in the back of my lower end. But I also had a blown rear jug gasket and a burnt valve in the rear jug could that burnt valve and lower jug gasket make a knocking sound ? It was not loud. |
Have or had a burnt valve etc? I hope it is 'had' or you are not rinding it until fixed.
A knock is not usually the result of burned valves or blown gaskets. An intake or exhaust pop from the valve and a whooshing, whistle sound from a head gasket is more likely. Knock are not usually a good thing and can indicate a bad crank pin, bearing, wrist pin etc.
Time to take it to a shop and get it checked out.
