Our 240 has a knocking noise under the cab when I'm getting up to speed, but stops when I'm out of the low gears and leveling out on speed. From some of the searches I've found, (and my brake and muffler guys opinion) is that it's carrier bearing needs replaced, and his brother (part owner), threw in the universal joint on the "needs replaced list" just for good measure. I've read on this forum that replacing the u-joint is a bad idea on these cars, but it seems the carrier bearing is ok. My question, besides wanting to know what everyone thinks, is how tough is it to replace the bearing, and what all does it entail? I appreciate any help I can get on this subject. Lee

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Willing is not enough, we must do." Goethe

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1951 Chevy 3100

2003 Indian Chief Roadmaster

1983 GMC 1 ton Dually

1982 Chevy 1 ton Dually, service body (sold)

'90 GMC Suburban 6.2 "SS Veg-Burban"
(single tank WVO\diesel conversion) SOLD

'81 300D ~ Mama's car...my job (now my car)(but still my job) SOLD

'83 300sd ~ rescue car SOLD

2005 Ford Taurus (Mama's new car)(NOT my job!)