banjo housing drips oil

D

Don S

Senior Member
My banjo housing drips a small amount of oil even when not used for awhile. I have removed and sealed all the bolts ,and they are the proper type for this installation. I removed all the oil and checked the housing for cracks, but could not find any. Is there a colored fluid that I could use to find the crack ,? Or is there an additive to the oil that might take up the gap. This is more of a nuisance than a problem, unless there is a crack that could progress, then a banjo change would be needed, a bigger job that I want to take on right now. This small amount of oil loss has not changed in the last 2000 miles.
 
If you have removed all the oil.........tray a quart of acetone or alcohol. if there is a leak you'll see it fast. After locating the spot its a matter of choosing the best way to plug it up.
Just remember to re-install the lube before testing.
 
Mine had a small persistent leak similar to what you describe.

I tried sealing all the bolts with Permatex#2 but that didn't stop it from leaking.

I was doing some brake work anyway so I separated the left axle housing and found just fragments of gasket material.

I cleaned it up and used "The Right Stuff" gasket maker and no more leaks...

It's a big job just for a drip, but if you happen to take it apart for another reason it's not too bad...
 

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Thanks guys for your suggestions. I will try the acetone treatment,and let you know the results. We are away till middle of October,will do the test then Cheers
 
Ours leaves a little oil to. Check, it might be coming back from the transmission or rear main. Also mixing STP with the 600 w oil could help. I have heard some folks use 50/50, some say straight STP. We use 50/50. The last 600w oil I purchased from Mac's looks and feels like STP. Enjoy.
 
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Mine had a seep not a leak. Clean it very well and give it several coats of rustolum. Rustolum is an oil base paint. Dry as a bone
 
I had a persistent slow leak from the bolt area in a 7 tooth steering column. I used 600W oil and tried to seal the bolts well with Permatex sealer - twice. Nothing worked. I then had an idea of using some heavy cotton thread and wrapping it around many times just under the bolts heads. It worked great to stop the leak! I am thinking of doing the same things on at least the lower bolts of the differential when I get to it.
Rusty Nelson
 
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