Question about Mitsubishi Montero Sport

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1997 montero sport 3000 24valve v6

1997 monterosport: 3000 24valve v6. motor ran hot and shut down. motor cooled and restarted. smoke came out of drivers side timing belt cover and motor rattles from the opposite side. need help diagnosing problem and was the overheating caused by possible timing belt issue. is the likelyhood of catastrophic damage enevitable?

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The most likely senario is that the water pump went bad which caused the overheating in the first place. Then after the engine shut down, the water pump seized up. When the engine was restarted, the timing belt started to smoke because the water pump, which runs off the timing belt, was not turning. Since the engine overheated to the point of shutting down, blown head gaskets are a possibility. Put a new timing belt and water pump on it and start it up. If it runs OK, you're good to go.

Posted on Jul 26, 2008

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Sounds like a cooling issue. When the engine overheats it will get so hot that the metals expand making the motor sieze. When the engine gets that hot it thins out the oil making it less dense. This will make the oil thin thus reducing pressure.
When the motor restarts after cooling you will find the oil pressure returning to 40psi
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try replaceing your temp sencer. some time they are near the goose neck or on the block ok . and see if your fan sencer is working. good luck

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