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Some cars will knock for th first minute or so on a cold start until the oil starts to circulate through the engine

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14y ago

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It's time for a new engine.


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Why does your 94 Olds 3.4L Engine Knock?

Not really an answer, more to the question. You can hear the knock at idle. However, if the engine has time to cool, it's not so audible. Also, if you hit the accelerator, the sound seems to die away when the engine returns to idle. The sound is coming from both the top and bottom of the engine.


1995 1.8 Mirage When rains it will not start and the battery goes dead after a few cranks you changed the battery took a water hose and wet down the engine did not flood it and now it will not start?

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What would cause a knocking sound after you start your car It olnly last a few seconds but does it every time especially after ir has set awhile?

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What is a rod bearing knock?

bearing on crankshaft worn or damaged, caused by lack of oil. start engine if it will and pull plug wires off one at a time and you'll find out wich one. do not rev up engine too high. do not sell car to a friend. motor has to come out and extensive repair on lower end required. if you do not know what a rod bearing knock is then it is not a do it yourself fix. major repair.