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Old 05-22-2012, 09:56 AM   #1
cityhawk
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Join Date: Feb 2000
Location: Boston
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1993 SW2
2001 L-Series 3.0L Wagon
Default Removing front exhaust pipe from manifold, V6

Hello, I thought I'd post this in a new thread since it may not get seen in my subframe replacement thread....

I am trying to remove the front branch of the "Y" pipe from the front exhaust manifold on my 2001 LW300. Due to the presence of a heat shield just below the manifold that effectively acts as a large bulge in the pipe, it is extremely difficult to get any kind of wrench or socket on the nuts, but I was able to get one on two of them from below with a very long extension (two extensions together) and getting the socket on sort of kitty-corner but enough to grab hold of the nut.

The third nut/stud combo is on the side of the pipe closest to the alternator. Even with a wobbler/universal joint, I cant get around the heat shield in such a way to get any kind of traction on the nut. The alternator and part of the subframe get in the way to tilt the extensions at an acceptable angle. I'm sure people can get this pipe off without taking out the alternator (not a trivial task).

I tried bending a cheapie 5/8 box wrench (5/8 fits the 16mm nuts) at a right angle with the hope of getting it around the flange from above but, being a cheapie box wrench, it broke while I was trying to bend it.

Is there some kind of special tool to get this nut off, or does anyone know of a technique to get it off?

...
Saturns:
1993 SW2 MT 193,000 hard Boston city miles ("Rozzie")
Gone but not forgotten:
2001 LW300 ("Elle")
1999 SW2 MT
Project cars:
1966 Corvair Monza convertible
1928 Ford Model A Tudor Sedan

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Old 05-23-2012, 01:42 AM   #2
cityhawk
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Join Date: Feb 2000
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1993 SW2
2001 L-Series 3.0L Wagon
Default Re: Removing front exhaust pipe from manifold, V6

Nobody's ever changed the exhaust on an L-series V6?

...
Saturns:
1993 SW2 MT 193,000 hard Boston city miles ("Rozzie")
Gone but not forgotten:
2001 LW300 ("Elle")
1999 SW2 MT
Project cars:
1966 Corvair Monza convertible
1928 Ford Model A Tudor Sedan

REWARD EXCELLENCE!

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