loud knocking/clunking - Ford Forum - Enthusiast Forums for Ford Owners


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Old 08-05-2017, 06:29 PM
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Default loud knocking/clunking

I'm not sure if it will be worth buying for $150? It runs and drive but its super loud knocking/clunking noise can this be a spun rod bearing any tips and tricks to diagnose myself would be grateful thanks
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Old 08-06-2017, 04:35 AM
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Depending on the year, unplug the coolant temp sensor which will throw it into open loop (no computer control) .If you can ground each plug wire one at a time, if it is a rod brg it will lessen the knock when you hit the right cyl.

You will get multiple codes from the computer, just remove the negative battery cable for 15 min , depending on the year, and the computer should reset.

Last edited by hanky; 08-06-2017 at 04:38 AM.
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