Volvo RWD 1800 Forum

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Gas Gauge Linearity 1800 1964

posted by  someone claiming to be Gene on  Sat Sep 27 03:38 CST 2003 [RELATED]

I have a Smiths gauge that is not nearly matched to the float level on the tank sender unit.
I see two screws on the back of it's case that have a lot of movement possible in two case slots. Seems to me to be a likely place to make an adjustment.
Anyone here ever move those or take a look inside the gauge?

Do I have to be the first fool willing to experiment?
Thanks,
Gene








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    Gas Gauge Linearity 1800 1964

    posted by  walrus3 on  Sat Sep 27 05:36 CST 2003
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    last visit: Mon Dec 2 14:20 CST 2013
    [RELATED]

    Never had an 1800 but have had Volvos on both sides (444, 544, 122, 144,
    164, etc) as well as other cars. ALL of them were quite non-linear and
    no amount of moving in slots would make much difference. They take a LONG
    time to go down to half full and nose dive from there. I think it must be
    related to the in-tank pickup geometry, and could probably be remedied a lot
    by a little mechanical redesign but it might cost a couple dollars more per
    car. (in million quantities)
    --
    George Downs, The "original" Walrus3, Bartlesville, Oklahoma








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      Gas Gauge Linearity 1800 1964

      posted by  someone claiming to be Gene on  Sun Sep 28 01:27 CST 2003 [RELATED]

      Good description of what mine does. Well, there *is* a bit of adjustment in the type of sender on this car, so I'll fool with that.
      Thanks for the info - avoids some wasted time.
      Gene








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        Gas Gauge Linearity 1800 1964

        posted by  someone claiming to be Erik on  Mon Sep 29 13:16 CST 2003 [RELATED]

        I have found that relying on the trip odometer and an extra gallon of gas in the trunk provide more security than the guage. The guage is merely dashboard entertainment. :)







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          Gas Gauge Linearity 1800 1964

          posted by  JohnMc on  Tue Sep 30 03:36 CST 2003
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          last visit: Thu Oct 23 07:42 CST 2014
          [RELATED]

          I like the instant reading nature of the old style gauges. When you get a little low you can wiggle the car a little and see how much it sloshes the gauge. Not much slosh - get to a gas station ASAP!

          On my fuel injected 1800E the fuel pump starts making gargling noises about 25 miles before it really runs dry.







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