<VV> Odd Gas Gauge problem

[Ron]

A leaky float would always have it reading low as the float would never get 
a chance to empty unless you frequently let your car run out of gas.  My '66 
has always done the same thing and the gauge loses about a quarter of a tank 
after driving a while after every cold startup.  It has done that for the 
past 14 years and seems to have no cause.  I'd be happy to hear the cause of 
the problem.
RonH

----- Original Message ----- 
From: "Harry Yarnell" <hyarnell1 at earthlink.net>
To: "Bob Gilbert" <bgilbert at redshift.bc.ca>; <corvairs at cybrus.net>; 
<virtualvairs at corvair.org>
Sent: Wednesday, May 14, 2008 9:12 AM
Subject: Re: <VV> Odd Gas Gauge problem


> Disconnect the connector from the sender and measure the resistance of the
> sender to ground. A full tank should measure 90 ohms (or thereabout). 
> Empty
> is zero ohms (or thereabout). Anything in between should be reflected in
> what the gauge read, as it's a linear resistance sender.
> Could be a leaky float...
>
> harry yarnell
> Poohbah of Perryman
> perryman garage and orphanage
> hyarnell1 at earthlink.net
> ----- Original Message ----- 
> From: "Bob Gilbert" <bgilbert at redshift.bc.ca>
> To: <corvairs at cybrus.net>; <virtualvairs at corvair.org>
> Sent: Wednesday, May 14, 2008 11:56 AM
> Subject: <VV> Odd Gas Gauge problem
>
>
>> Now that I have replaced the hoses in my gas tank in my LM I can finally
>> fill it up.
>>
>>
>>
>> Here’s the problem. After the fill up, the gas gauge read fine , just
>> below
>> the “F” for several minutes of driving and then slowly drifted down to a
>> somewhere between a quarter and a half full where it stayed. I’m assuming
>> of
>> course that I didn’t burn 5 gallons of gas in 5 minutes.....  J
>>
>>
>>
>> The sender unit is a relatively new unit from Clarks. The ground and gas
>> gauge connections are all good and I heard the float moving around when I
>> had the tank out. I didn’t remove the sender at the time as there didn’t
>> seem to be any need.
>>
>>
>>
>> Any ideas for what might be the cause of the odd gas gauge reading?
>>
>>
>>
>> Thanks,
>>
>> Bob
>>
>> 66 180 convertible
>>
>>
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