2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

what is the easiest way to drain the gas?

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Old Dec 27, 2006 | 11:12 PM
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what is the easiest way to drain the gas?

Is there an easy way out to drain my gas instead of dropping the tank? Siphoning it? Is there some sort of drain plug i'm missing out on? Any help is much appreciated! thankyou,

Scott
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Old Dec 27, 2006 | 11:16 PM
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I'm leaning toward "drain plug".. anybody? drain plug?
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Old Dec 27, 2006 | 11:17 PM
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remove the carpet at the Back,,the floor of the hatch area...there is a Top to the tank that comes off with Six screws.This is to Easily access the Fuel pump.My tank has a Drain plug on the Bottom(sec Gen)..I don't know how easily that will come off though.Depends on How good of condition the tank is.
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Old Dec 27, 2006 | 11:20 PM
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my car is at a friends house til i rid of my other car so it's not easy access. But i talked to a guy and he said that there is probably "gel" type gas in the gas lines since it hasn't ran. what can i do to clean them?
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Old Dec 27, 2006 | 11:50 PM
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how old is the gas?
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Old Dec 28, 2006 | 12:32 AM
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3 years at least
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Old Dec 28, 2006 | 12:40 AM
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there is a 14mm drain plug in the bottom of the tank. you dont even have to jack the car up to reach it.
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Old Dec 28, 2006 | 12:42 AM
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how bad do you think the fuel lines are though?
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Old Dec 28, 2006 | 01:12 AM
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Once you have drained the old gas and tightened the drain plug, put some fresh gas in the tank, then disconnect the wiring harness plugs at both coils (or unplug the CAS). Replace the fuel filter, but do not tighten the lines all the way. Put your drain pan under the fuel filter and crank the engine a few times. This should flush most of the "goo" from the lines. The injectors and fuel rail don't get flushed this way, but they may not need it anyway.
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Old Dec 28, 2006 | 02:19 AM
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or you could get a fuel line and connect it to the fuel punmp and supply your own 12v to the pump and pump into said container where this said fuel line said ends



said....lol
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Old Dec 28, 2006 | 02:28 AM
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yeah but if you run the pump dry it can damage it

fluid pumps from the automotive store are cheap if the drain plug option is no longer available
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Old Dec 28, 2006 | 02:33 AM
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Your pump is the best bet.
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Old Dec 28, 2006 | 07:05 AM
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Yea these cars have the drain plug on the bottom of the tank. For some reason I always end up with a car that has those and everyone says there are any. My 7 has one, my trep has one, and I think my cheapo first car had one. I think it makes life alot easier.
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Old Dec 28, 2006 | 08:38 AM
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If the drain plug is rusted (normal) then the best way I have found is a siphon. From the local hardware store it was $3 and has a long tube that goes into the fuel filler neck. You then pump the rancid fuel into an approved container.

Since it sounds like you are pulling the car from storage, you will probably want to look at this:
http://www.aaroncake.net/rx-7/unstore.htm
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Old Dec 28, 2006 | 10:26 AM
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I think 3 years is more like pulling it out of retirement :p

I like the crank siphones over the hand pumps, they're faster and have a constant flow.

Be careful when siphoning and don't cheap out. Never use your mouth (especially on 3 year old gasoline).
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Old Dec 28, 2006 | 11:41 AM
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What about turning the car upside down and shaking it? Thats what I would do.

Sorry.. I just woke up.
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Old Dec 28, 2006 | 12:12 PM
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Originally Posted by misterstyx69
remove the carpet at the Back,,the floor of the hatch area...there is a Top to the tank that comes off with Six screws.This is to Easily access the Fuel pump.
Those six screws are not easy to get off. The heads are small and soft and strip out very easy. On my last pump change I had to grind the tops off and turn the stumps out with a vice grip and put in newer and bigger screws.

Be forewarned.

Brian
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Old Dec 28, 2006 | 02:25 PM
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Originally Posted by Dr4900n
Be careful when siphoning and don't cheap out. Never use your mouth (especially on 3 year old gasoline).
Yeah, I second that....I purchased the hand siphon on the way home from the poison control center...
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Old Dec 28, 2006 | 02:33 PM
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Ive never encountered a fuel tank drain plug that wouldnt come out...
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Old Dec 28, 2006 | 02:40 PM
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They probably don't salt the roads in AZ.
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