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Registered
Join Date: May 2003
Location: Chicago, IL
Posts: 33
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fuel sending unit location
I've been having some trouble w/ my gas gauge, and suspect the sending unit. Unfortunately, for the life of me, I can't find the thing. I've looked all over the front trunk for the 5 bolt circle, but I can't find it. Is there anything I need to remove in order to find it? I checked the diagrams on this site, and the Haynes manual, but no luck. If anyone could give me very specific directions as to its' location, I would be most appreciative!
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05-23-2003, 12:06 PM
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Registered
Join Date: Mar 1999
Location: Vancouver,Wa.
Posts: 4,457
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In the gas tank. A 3 wire plug goes to it on the top, to the right of the filler....ah...I think it's under the expansion tank...fergot bout that cause my expansion tank is history.
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JPIII Early Boxster |
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05-23-2003, 01:23 PM
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Join Date: Mar 2002
Location: Grove City, OH
Posts: 1,397
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Ya, remove the expansion tank and it will be obvious from there.
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AKA: Dr Evil on the 914World forum, need your tranny rebuilt, or want a "How to rebuild your transmission DVD" set? PM me. -74 914 with 74 2.7 CIS -74 VW Bus with modified 3.1 corvair engine and 3.0 CIS fuel injection system. -74 BMW R90 |
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05-23-2003, 03:49 PM
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Join Date: May 2003
Location: Chicago, IL
Posts: 33
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Thanks guys, I'll remove the expansion tank tomorrow an let you know how it goes. (THAT'S why I couldn't find it
 Nothing is easy on this car, is it?  1) Drain excess fuel, 2) remove expansion tank, 3) remove fuel sensor, 4) see if it's actually broken, 5) fix it, or figure out what else is going wrong. Hours and hours of endless fun...Thanks again, Brian |
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05-24-2003, 01:43 AM
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Join Date: Mar 2002
Location: Grove City, OH
Posts: 1,397
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I dont think that you need to drain the fuel as the sender is on the top, I'm not 100% though. Should just be able to pull the X-tank and then the sender. It may just need cleaning.
Good luck, and have fun. -Mike
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AKA: Dr Evil on the 914World forum, need your tranny rebuilt, or want a "How to rebuild your transmission DVD" set? PM me. -74 914 with 74 2.7 CIS -74 VW Bus with modified 3.1 corvair engine and 3.0 CIS fuel injection system. -74 BMW R90 |
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05-24-2003, 09:39 AM
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Join Date: Jul 2001
Location: Central Florida
Posts: 1,409
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Pull the connector off the top and remove the mounting screws.
Once you get it out, you can check to see of any of the wires are broken inside. Clean everything with some brake cleaner and clean the wires carefully with a scotchbrite pad. Gasoline and junk tends to gum up the lines. Reassemble. That should hopefully fix any erroneous readings.
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Qarl |
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05-24-2003, 09:48 AM
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Registered
Join Date: May 2003
Location: Chicago, IL
Posts: 33
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Thanks to everyone for your help. I removed the expansion tank today, pulled out the sensor unit, WD-40'd all the wires, and I think that the sensor is functioning somewhat properly now. It at least reads something different than 1/4 tank. When I had it out of the car, I turned it upside-down both ways, got to Empty and Full on the gauge, and installed it. Now it's reading a little over 1/2 tank, which is kinda odd since I filled it up about 30 miles ago. But at least I know that it really moves. It may be stuck again, but if it is, at least I know how to 'try' and fix it again.
Thanks again for all the assistance, bri |
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05-24-2003, 10:52 PM
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