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Old Feb 16th, 2006, 07:52 PM   #2 (permalink)
tserold
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Join Date: Feb 2006
Location: San Antonio,TX
Posts: 15
I've got the same truck and have never heard any popping noises, even in 4LO. I'd make an appointment and have that checked out, after all, thats what the warrenties are for. Good luck ,hope it's something minor.
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