Great Lakes 4x4. The largest offroad forum in the Midwest - View Single Post - 97 7.3 powerstroke whistles/hiss at a constant speed
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Old January 27th, 2013, 09:58 AM   #25
diesel fever
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Join Date: 09-09-11
Location: union city, mi
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Crawl underneath and check where the uppipes meet the Y collector. They use exhaust donut gaskets to seal and are prone to leaking. This is what mine looked like when I was changing my clutch.
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