Red light for air pressure on rear suspension

Information and questions on GL1100 Goldwings (1980-1983)
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Posts: 12
Joined: Fri Mar 23, 2012 7:51 pm
Location: Evergreen, Colorado
Motorcycle: 1981 GL 1100 was an I now is naked!

Red light for air pressure on rear suspension

Post by GL1100Newbie » Sat Sep 22, 2012 7:25 pm

My red light for the rear air suspension goes on when I am going up hill. Sometimes when I'm on flat land. Not to much flat land in the foothills outside Denver. It is a 1981 I project bike that is naked now. I put 28 pounds of pressure in the system. I assume that is correct.

Any suggestions?

Posts: 245
Joined: Wed Mar 07, 2012 8:20 am
Location: Southern NH, home again!
Motorcycle: 1982 gl 1100standard, 1983 1000c

Re: Red light for air pressure on rear suspension

Post by goldminerusa » Sat Sep 22, 2012 7:43 pm

according to my srv manual, 28 lbs is the low limit, go up to 28-37 lbs. The air pressure sensor should show continuity between 28 and 37 psi, if not, replace. Pg 18-8. If the sensor is good, there`s another problem. Do the shocks both hold air pressure? Are they leaking oil thru the seals? or tubes? Are the hoses original and are the connections tight? Spray a soapy water solution around the hose connections and look for bubbles. If the system is mechanically sound, start looking at the wires, breaks, bad grounds, clean the pins at the control unit. Let us know what you find. Take pictures.

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