The manual says to remove the exhaust system to remove the driveshaft. I am VERY afraid to move the cat since it is fragile but still works. But I can't get at that big 4x mm nut otherwise. No shortcuts, I suppose?

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1985 380SE Blue/Blue - 230,000 miles
2012 Subaru Forester 5-speed
2005 Toyota Sienna
2004 Chrysler Sebring convertible
1999 Toyota Tacoma