How do you remove stock fuel disconnect at tank? - K-Bikes.com - Excellence in Motion
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post #1 of 13 (permalink) Old Jun 29th, 2014, 12:13 pm Thread Starter
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How do you remove stock fuel disconnect at tank?

So I finally got around to inspecting my GT because of an occasional fuel smell and fully expected to find a leak or seepage at the quick disconnect boss, but once apart I cannot see any sign of any kind of leak (ran it up to operating temperature on the centerstand), nor can I see any telltale signs of leakage (stains, etc.) I guess I was being over-sensitive(?) I think I do see a hairline crack in the mounting boss (don't have the tank completely out yet) but as I said, no sign of any leakage.

From what I read if there's no current leak the BMW official fix is to simply install a metal reinforcing ring rather than replace the entire pump so since I already have one of these I'll go ahead and install it rather than bother with taking it to the dealer, doesn't sound like they will do any more than I can anyway.

Anyway, my question... how do you release the stock quick disconnect? I see what looks like a small metal retaining ring with a little knob on it, do I pry that out, or..? I don't see what else I could do...

Also when the line is removed will fuel come pouring out of the tank (if it is not emptied first)?
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post #2 of 13 (permalink) Old Jun 29th, 2014, 12:53 pm
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To remove the Male quick-disconnect, you want to press down on the metal tab on the Female portion, then pull the Male portion straight out.

To insert, make sure the metal tab on the Female portion is pressed in towards the center (it should click and hold in place), then line up the Male portion and push it straight in until you hear a click, and the metal tab pops out on its own.

It is possible to damage the o-ring on the Male portion if you put it in crooked, so inspect the o-ring before assembly to make sure it is free of nicks or cuts.

The metal tab can be seen at the 7 o'clock position in the following pic:



That pic was taken on a K16GTL, with the fuel pump plate located at the back of the tank, and thus easy to get to. The K12/13GT has the fuel pump plate at the front of the tank, so you have to slide your hand down in there to release the quick disconnect, and the wire and drain hose. The fuel line is the shortest, so release that first. You can also remove the battery to to give yourself slightly more room to work.

There are more details and pics in this post from this thread.

Ken
Pacific NorthWet
'13 Dark Graphite Metallic K16GTLD, 24K miles and counting...
'09 Magnesium Beige Metallic K13GT, 60K miles miles and counting...
'02 Mauve Metallic K12LTC, 106K miles and sold
BMWLT#145, IBA# 366, MOA# 111996, SCMA# 24032

All lower 48 states plus Alaska on the K13GT in two weeks . . .

Some people see the gas tank as half empty. Some see it as half full. All I care is that I know where the next tankful is coming from...
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post #3 of 13 (permalink) Old Jun 29th, 2014, 1:05 pm Thread Starter
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Thanks for the quick response Ken. By 'press down', do you mean press towards the tank or press inward towards the connector?
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post #4 of 13 (permalink) Old Jun 29th, 2014, 1:25 pm
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Quote:
Originally Posted by smiller
Thanks for the quick response Ken. By 'press down', do you mean press towards the tank or press inward towards the connector?
Press the tab radially inwards towards the center of the connector. In the pic above, the tab at the 7 o'clock position gets pushed towards the small metal post near the 1 o'clock position.

The tab and metal plate will slide along the face of the Female QD, so that the large hole in the metal plate will align with the main hole in the QD, and the Male portion will pop out a little due to the spring pressure of its built-in auto-shutoff valve. Then you can pull the Male QD straight out.

Both the Male and Female QDs have built-in shutoff valves, so they are "dry break" fittings. You might get a tiny dribble of gas, but you won't get any significant flow or leakage.

Ken
Pacific NorthWet
'13 Dark Graphite Metallic K16GTLD, 24K miles and counting...
'09 Magnesium Beige Metallic K13GT, 60K miles miles and counting...
'02 Mauve Metallic K12LTC, 106K miles and sold
BMWLT#145, IBA# 366, MOA# 111996, SCMA# 24032

All lower 48 states plus Alaska on the K13GT in two weeks . . .

Some people see the gas tank as half empty. Some see it as half full. All I care is that I know where the next tankful is coming from...

Last edited by Meese; Jun 29th, 2014 at 1:30 pm.
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post #5 of 13 (permalink) Old Jun 29th, 2014, 1:30 pm Thread Starter
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I'm not seeing the picture in your post, but anyway... got it! Thanks again.
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post #6 of 13 (permalink) Old Jun 29th, 2014, 1:31 pm
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Quote:
Originally Posted by smiller
I'm not seeing the picture in your post, but anyway... got it! Thanks again.
Huh. Is this better?



The pic is at:

http://i.imgur.com/DhPd0Mn.jpg

Ken
Pacific NorthWet
'13 Dark Graphite Metallic K16GTLD, 24K miles and counting...
'09 Magnesium Beige Metallic K13GT, 60K miles miles and counting...
'02 Mauve Metallic K12LTC, 106K miles and sold
BMWLT#145, IBA# 366, MOA# 111996, SCMA# 24032

All lower 48 states plus Alaska on the K13GT in two weeks . . .

Some people see the gas tank as half empty. Some see it as half full. All I care is that I know where the next tankful is coming from...

Last edited by Meese; Jun 29th, 2014 at 1:37 pm.
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post #7 of 13 (permalink) Old Jun 29th, 2014, 1:36 pm Thread Starter
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Interesting. Just fyi that link will not display on my machine in either Chrome or Internet Explorer 10. And if I go to the URL directly I just get a blank page.
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post #8 of 13 (permalink) Old Jun 29th, 2014, 1:38 pm
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I uploaded the pic to Imgur.com

Try it again . . .

Ken
Pacific NorthWet
'13 Dark Graphite Metallic K16GTLD, 24K miles and counting...
'09 Magnesium Beige Metallic K13GT, 60K miles miles and counting...
'02 Mauve Metallic K12LTC, 106K miles and sold
BMWLT#145, IBA# 366, MOA# 111996, SCMA# 24032

All lower 48 states plus Alaska on the K13GT in two weeks . . .

Some people see the gas tank as half empty. Some see it as half full. All I care is that I know where the next tankful is coming from...
Meese is offline  
post #9 of 13 (permalink) Old Jun 29th, 2014, 2:19 pm Thread Starter
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Yes, that works fine thanks. And now I see the reason for my confusion... the big flat tab on the other side of the connector was not visible to me from my perspective.

Last edited by smiller; Jun 29th, 2014 at 2:34 pm.
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post #10 of 13 (permalink) Old Jun 29th, 2014, 2:30 pm
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A thousand words . . .

Ken
Pacific NorthWet
'13 Dark Graphite Metallic K16GTLD, 24K miles and counting...
'09 Magnesium Beige Metallic K13GT, 60K miles miles and counting...
'02 Mauve Metallic K12LTC, 106K miles and sold
BMWLT#145, IBA# 366, MOA# 111996, SCMA# 24032

All lower 48 states plus Alaska on the K13GT in two weeks . . .

Some people see the gas tank as half empty. Some see it as half full. All I care is that I know where the next tankful is coming from...
Meese is offline  
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