[T3] Fastback with fuel problem

Terrie Ann Schmearer terrieann.schmearer at yahoo.com
Tue Dec 25 14:49:45 PST 2012


"The whining noise is probably the fuel pump laboring because the 
filter preceeding it is clogged. The pumps always make a bit of a 
whine, but it's never audible unless there's a problem. The filters 
don't ever get clogged unless the overflow hose, next to the filler 
pipe is cracked and has been letting dirt into the tank. You can also 
get water in the tank from wheelspray when driving in wet weather.

Your old gas sending unit probably failed due to water in the gas 
tank. Otherwise, they last forever.

The overflow hoses are always cracked by now. I make and sell kits to 
repair this NLA (no longer available) part. The kits run from $25 to 
$32, depending on the year. Every FI car needs this kit unless you've 
already fixed this problem somehow. This is a DIY installation if 
you're reasonably handy.

What year is your Fasty?

You will need to replace the filter and probably also clean out the 
filter screen in the tank outlet. To do that, you'll need to drain 
the tank, but that will also let you see what else is in there with 
the gasoline."

It's a 1972 FastbackIt"The whining noise is probably the fuel pump laboring because the 
filter preceeding it is clogged. The pumps always make a bit of a 
whine, but it's never audible unless there's a problem. The filters 
don't ever get clogged unless the overflow hose, next to the filler 
pipe is cracked and has been letting dirt into the tank. You can also 
get water in the tank from wheelspray when driving in wet weather.

Your old gas sending unit probably failed due to water in the gas 
tank. Otherwise, they last forever.

The overflow hoses are always cracked by now. I make and sell kits to 
repair this NLA (no longer available) part. The kits run from $25 to 
$32, depending on the year. Every FI car needs this kit unless you've 
already fixed this problem somehow. This is a DIY installation if 
you're reasonably handy.

What year is your Fasty?

You will need to replace the filter and probably also clean out the 
filter screen in the tank outlet. To do that, you'll need to drain 
the tank, but that will also let you see what else is in there with 
the gasoline."
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