126 300SD broken nipple on radiator to exp. tank.

1... Swear a lot!!!

2... cut and smoothed flush.

3... drilled hole (smaller than the tap)

4... 1/4" mpt tapped hole.

5... 3/8" barbX 1/4"mpt brass fitting (tough to find) with "O" ring for seal.

Larry's method is really the way to go because the wall of the radiator tank is "backed" by the flange and rubber on the inside. I'll probably redo mine using his technique tomorrow. Wish I'd known before. Mine works, but the tank wall isn't thick and the "bulkhead" effect of the tire valve seems better. Hope I can fish the wire through. Thanks, Larry.

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The Golden Rule

1984 300SD (bought new, sold it in 1988, bought it back 13 yrs. later)