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#1
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603.970 coolant leak at heater outlet fitting
My 350sdl is losing coolant at the aluminum fitting in the rear driver side of the aluminum head at a rate of about a 1/2 pint in 300 miles. It's a long story but the theads are stripped. Is there an easy fix out there or does the head have to come off?
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#2
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The fitting attaches to the head with a fancy circlip. Remove the circlip, easiest to turn it so you pull straight up, pull the fitting out of the head, replace the o-ring. That should do it. The o-ring comes in gray and green. I don't know the difference.
Sixto 87 300D |
#3
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The o-ring at the water pump is 012 997 51 48. IIRC it's the same o-ring at the back of the head but I can't find the part in EPC.
Sixto 87 300D |
#4
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Let me know if something gets damaged back there, I pulled that pipe out of my '91's head, it is in the scrap pile.
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Gone to the dark side - Jeff |
#5
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Thanks guys, but like I said, it's a long story. I know it's not the O Ring, the threads are really stripped in the head and the aluminum plumbing fitting didn't look much better apparently. The Indy who did the work, I found out, put it back in with epoxy but it still leaks. I won't take it back there for obvious reasons.
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#6
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Why were the threads touched?
Do they make Helicoils that big? Might have to pull the oil filter housing to fix the threads. Sixto 87 300D |
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