GL 1500 Routine Maintenance Question


Information and questions on GL1500 Goldwings (1988-2000)
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mikelens
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Location: Bay Shore, New York
Motorcycle: 1990 GL1500

GL 1500 Routine Maintenance Question

Postby mikelens » Tue Mar 18, 2014 7:36 pm



Got the parts; to do the air filter, fuel filter, cruise & sub filter on my '90 GL 1500 with 74K miles. Since I'll have a lot of the tupperware removed is there anything else That I should be taking care of while I'm this deep into it? Thanks for all the great info & DIY articles on this board.
Mike



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Dusty Boots
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Location: Alvinston, SW ON
Motorcycle: 1992 GL1500Aspencade

Re: GL 1500 Routine Maintenance Question

Postby Dusty Boots » Tue Mar 18, 2014 9:01 pm

Timing belts, plugs, coolant and then flush clutch and brake fluids, all of which can be found here in the How To section

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mikelens
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Re: GL 1500 Routine Maintenance Question

Postby mikelens » Wed Mar 19, 2014 7:28 am

Thanks DB. Timing belts were done at 70K; Brake fluids done with brakes & tires a month ago. That leaves the clutch fluid, coolant & plugs. I didn't see a DIY article on coolant change; any tips that may not be in the service manual? Thanks for your input.
Mike

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Dusty Boots
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Location: Alvinston, SW ON
Motorcycle: 1992 GL1500Aspencade

Re: GL 1500 Routine Maintenance Question

Postby Dusty Boots » Wed Mar 19, 2014 9:05 am

Nothing special/complicated about it ... just remove the drain bolt on the bottom of the water pump when it is cold ....


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... and drain the fluid with the reserve tank and radiator caps removed and allow it to drain (maybe install new plugs at this time) into a large pan.

Then add a compatible rad flush and fill with distilled water. Start bike up and allow for a couple of cycles with the fans coming on/off and turn off bike to allow to cool down and then drain that mixture out the same way. I like to repeat that using just distilled water twice more, to make sure all the rad flush is out of the system.
Install a new crush washer on the drain bolt (6.5 mm - #90463-ML7-000) and torque it to specs and then slowly fill rad to just below the neck of the rad and start bike. You should see the odd gurgle bubble and the coolant level drop after a minute or so of running. Top up with coolant, while bike is still running and the coolant level stabalizes. Install rad cap and then add remaining coolant to the reserve tank until it is at the proper level on the dip stick. Start bike and let it come up to operating temps (as couple of fan cycles) and check coolant level on the dip stick and for leaks at the drain bolt.

Flushing your brakes and clutch system is an easy 1 man operation when a set (4) of Speed Bleeders are installed! ;)





Dusty

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WingAdmin
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Re: GL 1500 Routine Maintenance Question

Postby WingAdmin » Wed Mar 19, 2014 2:51 pm

I'd also mention flushing out the coolant reservoir, as sludgy muck tends to collect in the bottom of it.




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