potentially stupid question about banjo bolts/fittings - Defender Source
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  #1  
Old June 19th, 2013, 10:59 AM
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Danny
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potentially stupid question about banjo bolts/fittings

So I'm finally getting around to installing my fuel sedimenter along the framerail (where the punchouts for it are) but have some questions about actually attaching to the fuel line. I'm going to order the correct M12/1.25thread banjo bolts that the sedimenter uses (recommendations for vendors welcome) and the appropriate fitting, but how exactly do I get the fitting onto the flexible fuel line that I'll be cutting on that location? Keep in mind I was aware posting this that its a stupid question. I'm guessing that the flexible line itself will have to be replaced with 2 pieces that have the banjo fitting compression pressed on?

Any advice is appreciated.
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  #2  
Old June 19th, 2013, 11:53 AM
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John B.
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You carefully heat the nylon line... At a certain temperature, it becomes malleable and you press the fittings into it.
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  #3  
Old June 21st, 2013, 11:08 AM
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Gren Thomas
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don't forget to use copper washers on the top and bottom of the banjo, god knows how many fuel leaks i've seen that have been due to a missing top washer.

as above warm the pipe, I secure mine with ear clamps to compress the pipe onto the tangs of the banjo fitting

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  #4  
Old October 31st, 2015, 01:29 PM
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Kevin Keith
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Thread resurrection.... but I too have a potentially stupid question about banjo bolts since I've never worked with them.

I'm cleaning my axle breathers that were clogged solid. They had a gasket or sealant on some sort. What does one use when reinstalling? Will a little Right Stuff or a couple of O rings work?

Thanks!
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  #5  
Old October 31st, 2015, 01:42 PM
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Jack Walter
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Copper washers and aviation Permatex (the kind you brush on) are the recommended installation technique.
Grainger has metric copper washers.

Lots of banjo fittings on old Porsches - this is common practice on them and it works.
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  #6  
Old October 31st, 2015, 04:27 PM
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Ed
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As Jack said, copper crush washers.

They have an inner diameter of m10.
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  #7  
Old October 31st, 2015, 06:37 PM
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I put some O rings on but will pick up some copper crush washers to redo properly.
Thanks!
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  #8  
Old October 31st, 2015, 07:28 PM
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Robert Davis
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I have the banjo bolts and copper washers.
Are you sure it's 14mm X 1.5.
Most are 1/2".
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  #9  
Old November 1st, 2015, 07:45 AM
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Quote:
Originally Posted by rdavisinva View Post
I have the banjo bolts and copper washers.
Are you sure it's 14mm X 1.5.
Most are 1/2".
I plan to pull the front axle vent today & will measure.
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  #10  
Old November 1st, 2015, 08:03 AM
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Robert Davis
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Quote:
Originally Posted by Kevin88RRC View Post
I plan to pull the front axle vent today & will measure.
We have copper washers and banjo bolts for the sedimenter.
Do not have them for axle breathers.
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  #11  
Old November 1st, 2015, 03:33 PM
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Kevin Keith
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So I don't have a definite size for the vent banjo. If metric it's m10x.9.... the 1.0 pitch did not fit. The standard feeler was a 28 pitch. I only have a small amount of dies and none fit.

Regarding washers... what I thought was a gasket compound on the rear was actually red plastic washer. Fronts are in good condition to reuse.
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