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Trikindan's brake problem
[QUOTE=Trikindan;513712]Thanks Guys, good info. I have not had the time as I had planned to get serious on this but hopefully I will find time in the near future.[/QUOTE]
[size=3][B]I stumbled upon this thread and thought my 2 cents might be worth hearing.....
I see that you have a GL1500 Motortrike with drum brakes.
You still have a linked system:
That is when applying the rear brake pedal it also applies the Left Front caliper as well.
I have converted an number of GL1500's over the years and I have noticed that the GL1500, either the two wheeled version or a three wheeled version, get an air pocket in the line going to the front wheel when the brake system is un-modified.
That line exits the mastercylinder and runs very close to the exhaust, and in some cases less than 1/4". All of the offending GL1500's had not recently (within the last 10 years) flushed their brake fluid. I suspect moisture had gotten into the line and boiled next to the exhaust creating an air pocket in the front line about 4" from the connection at the rear mastercylinder.
I have purged these systems and none have failed so far. Several customers said that prior to the purging they had a problem at the beginning of each riding season and they would only bleed the rear brakes. I did have to replace one mastercylinder on a 1989 GL1500 that wouldn't hold pressure unless you applied the brake quickly.
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