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2003 Chevrolet Silverado 1500

Question: Banging Clunking when 4x4 engaged and under strain

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mbansk, 5.3L V8, Madison, OH, September 16, 2011, 17:47
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 Rookie

Sounds like real bad CV joint but they are all fine. I suspect the gears are slipping in the front diff. - Only happens under load so I can't duplicate on a lift. How do I diagnose this?

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  • Answer #1

    patrick mannion from Greg Solow's Engine Room, September 16, 2011, 20:28
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     Master

    Check or perhaps drain the oil in the differential and see if there is debris in the oil. For test procedures you will need good jack stands and a jack. here is a company that independent auto repair shops get their information from, this same information is available inexpensively for people that work on their own cars.. The information is year make and model specific, covering repair procedures, torque specifications, fluid capacities and specifications, service bulletins, component locations, wiring diagrams ect.... Alldata is very easy to navigate http://bit.ly/AllData_Repair_Manuals_Online

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