I took off the right side transmission cooler line because it had a hole in it, and I wanted to weld it.

When I took it off, I had my oil drain pan under the connection to the transmission pan to get the little bit of fluid that comes out. Welded the hole, maneuvered it back into place, and found a washer in the funnel of the drain pan. Since the bolt for the line to the trans had one on it between the bolt head and line, I assumed this one went on the other side. I also wasn't able to get a torque wrench on the bolt because the handle is too long so I just tapped the wrench with a hammer after I got it as tight as I could.

I've got a drip from the bolt now. Is the line supposed to have two washers and it's just not tight enough, or do I need to take the 2nd one off?
TIA

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1984 300TD

if you are talking about the banjo bolt end of the trans lines I believe they have two washers, one on each side of the banjo fitting. Hand tight should be enough. Maybe the washers are too deformed to seal anymore.

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1987 300TDT
1981 VW MKI Caddy 1.6 diesel, waiting on engine swap
1983 D-50 Power Ram 4x4 "Mitsubishi" 2.3 turbo diesel
assorted gas powered crap and motorcycles

RIP: 1984 300TDT, 1982 300TDT, 1984 190D 2.2, 1992 300D 2.5, 1987 300TDT, 1982 Maxima LD28, 1983 Maxima LD28, Isuzu C223 P'ups X3, 1983 Holiday Rambler 6.2 Banks turbo diesel, 1984 Winnebago LeSharo 2.1 TD, 1985 Allegro 6.5

Reusing those seals is not a good practice. You can sometimes get away with reusing them is they are copper; aluminum seals really need to be retired after their first tour of duty.

Thanks. I'm off to buy a couple of new ones. I didn't know they were there when I took off the line.

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1984 300TD

Put new crush washers, but I'm still getting a leak.

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1984 300TD

banjo fittings always take a crush washer on each side. They can be a little tricky to get to not leak. If you don't tighten them enough they leak, a little too much and you can pretty easily twist off the hollow bolt.

Good luck.

Tom W

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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.