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Subject: Re: [T3] fuel sender > On 27 Jun 2001, at 11:32, Mike Wodkowski wrote: > > > I'm beginning to suspect something's either wrong w/fuel gauge or sender. > > Gauge turns off, gauge turns on. I filled tank and it showed almost full. I > > drove a few hundred miles. Gauge shows 5/8s full. I fill up (adding 4 > > gallons of gas) gauge sows 3/4s full. > > > > I pull the sender wire and the gauge goes to empty. > > That's as it should be. Pulling the sender wire and grounding it > should make the gauge read FULL. Make sure that the instrument > cluster is snapped all the way into the dash. Sometimes poor > grounds here make for erratic readings. > > > Is there anyway the sender can be incorrectly installed to misread the > > contents of the tank? Does it stick? > > There's really nothing that can be wrong with the installation, but > there are several things that can go wrong in the sender. It can > stick if gas was allowed to dry out or turn gummy in there. These > things are likely to clean up once you start to drive the car regularly > again. > What I found on my sender, was that the ground side of the resistance wire was not making good contact. The rivet where the brass spring piece is attached, was corroded. Due to the fragileness (is that a word) of the wire, I didn't want to try to put in a new rivet. What I did, was drill a smalllll hole in the mounting plate, ran a small wire through this hole, soldered this wire to the brass spring, epoxied the hole closed around the wire, and then grounded this wire under one of the mounting bolts. Presto, the gage works fine now. Although, when it says 1/4, I start looking for a gas station. My odometer doesnt work either. One of many things that I still need to fix. Russ Wolfe russw@classicvw.org http://www.classicvw.org/ ------------------------------------------------------------------- Search old messages on the Web! Visit http://www.vwtype3.org/list/