Air Compressor Question


Information and questions on GL1100 Goldwings (1980-1983)
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DWade1990
Posts: 68
Joined: Thu Apr 27, 2017 7:27 pm
Location: Akron, OH
Motorcycle: 1976 GL1000
1983 GL1100 Aspencade
1981 CB750K
2006 FJR1300

Air Compressor Question

Post by DWade1990 » Wed May 02, 2018 12:39 pm



I noticed today that my bike was sitting almost upright on the side stand. When I checked the air pressure on the dash, there was no air in the front or rear. I checked over the whole system, and the only leak I've noticed is at the compressor. I can fill the system with the compressor, or with low pressure shop air, but as soon as I let the pressure off, the air bleeds out through the intake side of the compressor. If I hold my finger over the fitting, it maintains pressure. I took the compressor apart to see what was going on inside (it's a pretty cool little pump), and I didn't find anything wrong. The piston seals nicely to the cylinder wall, no scoring, the check ball and spring move freely, and the o-ring and washers (I'm not sure what else to call those little metal discs) all seem to be in good shape. I don't see what is supposed to stop the air from bleeding back out the inlet fitting. Is there something I'm missing here?



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Wilcoy02
Posts: 911
Joined: Sun Nov 21, 2010 11:37 pm
Location: Marengo, Ohio
Motorcycle: 1983 GL1100 I purchased 3/16

1983 GL1100I frame with an 80 engine. poor boy installed with C-5 ignition--DIED in Grande Prairie Alberta Canada 8/15


98 valkyrie sold 8/16

Re: Air Compressor Question

Post by Wilcoy02 » Wed May 02, 2018 8:10 pm

I like you have no idea.
When you find the problem please post so we can see how to resolve this issue.

DaveO430
Posts: 877
Joined: Fri Jan 02, 2015 7:28 pm
Location: Amity. Ar
Motorcycle: 2010 GL1800
2004 Suzuki DR200

Re: Air Compressor Question

Post by DaveO430 » Wed May 02, 2018 10:08 pm

Must be the main air valve that is the problem, it shouldn't let the air back into the compressor.

User avatar
DWade1990
Posts: 68
Joined: Thu Apr 27, 2017 7:27 pm
Location: Akron, OH
Motorcycle: 1976 GL1000
1983 GL1100 Aspencade
1981 CB750K
2006 FJR1300

Re: Air Compressor Question

Post by DWade1990 » Wed May 02, 2018 10:16 pm

DaveO430 wrote:
Wed May 02, 2018 10:08 pm
Must be the main air valve that is the problem, it shouldn't let the air back into the compressor.
Is the main air valve the piece that bolts on by the coolant overflow, or is it up at the controls? Its am 83 Aspencade with the push button controls under the dash. This air suspension is all new to me.

User avatar
DWade1990
Posts: 68
Joined: Thu Apr 27, 2017 7:27 pm
Location: Akron, OH
Motorcycle: 1976 GL1000
1983 GL1100 Aspencade
1981 CB750K
2006 FJR1300

Re: Air Compressor Question

Post by DWade1990 » Wed May 02, 2018 10:19 pm

I really don't want to eliminate the air system. I ride under a lot of different conditions, just me, commuting to work, loaded up camping, 2 up with my old lady packed full on trips, really all kinds of different loads, and it's been really handy while it was working.

DaveO430
Posts: 877
Joined: Fri Jan 02, 2015 7:28 pm
Location: Amity. Ar
Motorcycle: 2010 GL1800
2004 Suzuki DR200

Re: Air Compressor Question

Post by DaveO430 » Thu May 03, 2018 6:01 am

DWade1990 wrote:
Wed May 02, 2018 10:16 pm


Is the main air valve the piece that bolts on by the coolant overflow, or is it up at the controls? Its am 83 Aspencade with the push button controls under the dash. This air suspension is all new to me.
It's the ones you push to run the pressure up & down.

User avatar
DWade1990
Posts: 68
Joined: Thu Apr 27, 2017 7:27 pm
Location: Akron, OH
Motorcycle: 1976 GL1000
1983 GL1100 Aspencade
1981 CB750K
2006 FJR1300

Re: Air Compressor Question

Post by DWade1990 » Mon May 07, 2018 2:47 pm

Well I purchased a complete air system off Ebay, and all was well for a while. The new compressor makes an entirely different sound that mine did. Much lower and not as tinny sounding. Either way, it no longer leaks out of the inlet fitting.

In other news, my right rear shock is now blown out and no longer holding air. Just ordered a set of Progressive 416's and the air adapter fitting, as well as progressive front springs while I'm at it.

It's just one thing after another with this damn bike...



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