Question about 1993 Mitsubishi 3000GT

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Loud engine knock - 1993 Mitsubishi 3000GT

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I love these cars and have owned a 92 model from 98-09. These cars are infamous for lifter ticking noise. (look up lifter tick on youtube for sound comparison). Although this is not a problem, it is a big nuisance can be fixed by changing the lifters from a 97-99 model. These cars with high mileage also seem to be prone to engine rod knock. 3000gt's timing belts start slipping a tooth or so and the rods start to bang since the timing is off. These engines are interference motors, therefore if the timing is off and you drive around with messed up timing, your internals are all interrupted.(must be rebuilt)
If it is LOUD, I would say it is a rod knock. The best thing to do is add a can of thick oil(forget the name) and don't beat on it. This will reduce the noise alot. If you want to FIX the problem, you will need to rebuild.

Posted on Dec 04, 2010

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