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Not sure what your asking exactly. But I will tell you this about knocking in Montanas. I have seen a few of them that will start sucking oil into the combustion chamber through a leaking intake manifold gasket. The motor goes dry enough to cause a knocking on the lower end of the engine. End of motor! Check your oil!!!

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โˆ™ 2006-04-18 01:19:34
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Q: 2001 Montana What would cause knocking as well as a maximum speed of 80 km on the highway?
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