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

Installing new fuel pump (pics)

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Old 10-10-06, 04:41 PM
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Installing new fuel pump (pics)

Ok I just got my 98 dollar stock replacement pump( at least I hope I don't have to worry about it for awhile) .

No since the one I have in the car is different. Which end does the line that runs to the fuel filter and which end goes into the other fuel line?
Attached Thumbnails Installing new fuel pump (pics)-new-pump.jpg  

Last edited by kleach18; 10-10-06 at 04:45 PM.
Old 10-10-06, 05:10 PM
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anybody???? I'm ready to install it in the car.
Old 10-10-06, 05:22 PM
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If they are nice there should be a flow arror on the pump. What year is the car you are replacing it on? Give us a pic of your old pump if possible.
Old 10-10-06, 05:30 PM
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here is the old pump and there is no arrows on the new one...
Attached Thumbnails Installing new fuel pump (pics)-fuelpump.jpg  
Old 10-10-06, 05:31 PM
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here is the old pump and there is no arrows on the new one...


its a 83
Old 10-10-06, 06:14 PM
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For an easy test, put a short length of tube on both ends, stick them both in a bit of fuel (hate to get water in the pump) and see which way it flows?
Old 10-10-06, 06:35 PM
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Looking in the 85 FSM, Sec 4A, p.3 the straight tube is output and goes to the fuel cut valve, then to the hardline running to the engine bay. You should download a copy o your year of the FSM.
Old 10-10-06, 06:46 PM
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Originally Posted by trochoid
Looking in the 85 FSM, Sec 4A, p.3 the straight tube is output and goes to the fuel cut valve, then to the hardline running to the engine bay. You should download a copy o your year of the FSM.

But they don't have a 83 FSM
Old 10-10-06, 07:08 PM
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Plumbing is the same, the fittings on the tank are different. The 83 manual has the pluming system scattered over a couple of pages, the S3 shows the entire system on one page. The S3 manuals are better anyway, they cover more.

On your 83 tank the forward tube is the return, the middle the supply and the rear one goes to the cut and check vavle mounted forward of the spare tire well.

I have hard copies of both so searching is easier than looking on the comp.
Old 10-10-06, 08:53 PM
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no offence but I would of bought a high performance pump for that money, and it would of been better if you ever decide to upgrade later on with your fuel system. Just my 2 cents
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