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The answer in a nutshell is... NO !! Knocking indicates excessive clearances between the rod bearing & crankshaft journals. These two areas will develope an out-of-round condition, wich MUST be machined back to acceptable tolerances. Any competant auto machine shop can perform this for you, & fit new bearings that will last a long time. Just putting new bearings will quite the engine for a short time, but will fail quickly, putting you right back in the same situation in short order! The time and money spent on just new bearings will have been wasted.

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โˆ™ 2005-10-01 14:22:59
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Q: If you hear that the bottom end is knocking can you get away with just changing rod bearings?
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In a 2000 Pontiac grand am you have a knocking noise in the front end that goes away when you accelerate and break but it is there when coasting?

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Sorry bud but that means that you have what's called a " Rod knock", one or more of the main and or the rod bearings have gone away, need to break that engine down to fix it. jr

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trouble came knocking at the door hearing laughter it quickly scurried away

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