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A hot affair

Question : My 1998 Integra has served me well. A year ago, a leak in a radiator hose caused the car to overheat a few times. I kept putting in coolant whenever it overheated until I realised it was a hose leak, and got it replaced. Now the car starts and runs well until it gets hot. Then It starts to misfire and have very rough idle.

There was grey smoke from the exhaust after driving for a while. When the car is cold, it runs well for about 30 minutes before starting to misfire and smoke. I also have to refill the coolant.

Answer : It looks like when your car gets overheated, the head gasket becomes distorted and allows coolant to leak into the combustion chamber whenever the engine heats up. When the engine is cold, there is no expansion of the cylinder head but when the engine heats up, the expansion allows the leak to occur.

 
 

Metal head gasket

One hot problem

A hot affair

Tough nuts to crack

 

 

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