1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

best way to drain a GSL-SE fuel tank?

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Old Aug 10, 2011 | 05:42 PM
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best way to drain a GSL-SE fuel tank?

what is best way to drain a GSL-SE fuel tank?

I gotta drain fuel, was planning on unplugging the fuel filter and letting the fuel drip out the hose, any tips or faster/better ways to drain the fuel?
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Old Aug 10, 2011 | 05:43 PM
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on the bright side, my lawn mower is going to have a 5 year supply of 92 octane to run on afterwards
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Old Aug 10, 2011 | 05:50 PM
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From: https://www2.mazda.com/en/100th/
i'd use the drain plug, and yeah you'll need a 10 gallon hat to drain the gas into
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Old Aug 10, 2011 | 05:57 PM
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1. Open drain plug
2. Remove Gas cap for air to get back in the tank /faster draining.
3. ????
4. Profit!
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Old Aug 10, 2011 | 06:14 PM
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mmmmkay, there is no electrical on the car right now to pop the gas door open. where on the tank is the drain plug ?
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Old Aug 10, 2011 | 06:21 PM
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pop the left rear interior panel and reach in you will find the gas door release solinoid lever just move it and the door will pop. tank should have a drain plug in the forward section somewhere, center I think. been a while.
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Old Aug 10, 2011 | 06:30 PM
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From: https://www2.mazda.com/en/100th/
Originally Posted by notveryhappyjack
mmmmkay, there is no electrical on the car right now to pop the gas door open. where on the tank is the drain plug ?
look for an undercoated lump on the bottom, its a 14mm
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Old Aug 10, 2011 | 07:08 PM
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thanks guys, I will be home soon enough to make this happen!
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Old Aug 13, 2011 | 03:29 AM
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are you pulling the tank out? I'm after a inlet/outlet from the top of the tank if you are
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Old Aug 13, 2011 | 06:08 AM
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You should have a drain plug. Cant miss it on the bottom of the tank if you do.

If not just connect the fuel pump to positive and negative with the outlet fuel hose in a large bucket. Then just watch it flow!! I did this and worked like a charm. Just dont cause any sparks

I put the old fuel in my daily driver hahaha
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