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10-23-2011, 05:03 PM
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Old Skool Club
 
Join Date: Jun 2001
Location: Benton, AR "The Heart of Arkansas"
Posts: 10,880
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'91 4.3 question - harmonic balancer
My son has a '91, with the 4.3/automatic. I think his harmonic balancer is bad. When the engine is cold, it is quiet. When it has warmed up, there's a knocking sound that isn't a bearing. I'm thinking the balancer is the source of the noise. He's down on money, so I'm trying to offer free suggestions so he won't do something stupid...well, anything else stupid.
Any easy way to know that the balancer is the issue?
__________________
Member Nr. 2770 '96 GMC Sportside; 4.3/SLT - Daily driven....constantly needs washed. '69 C-10 SWB; 350/TH400 - in limbo The older I get, the better I was. |
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