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- - 5.4 motor knock at start up (https://www.fordforum.com/forum/ford-f-250-ford-f-350-15/5-4-motor-knock-start-up-19702/)

adam10

03-18-2010 06:32 PM

5.4 motor knock at start up

for the first 3or4 minutes the after startup the motor sonds like a diesel and eventualy gets quiet till you cant hear it.its a 99 5.4. thinking rod bearings?anybody else have this problem?

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