<VV> Fuel Pump Going Bad??

[J R Read_HML]

When it quits, is there gas in the carbs?  It sounds as if they are running
dry.

If you know the tank and "sock" to be clean, you could look for an air leak
wherever rubber meets metal in the fuel supply line.  Or, (rare) the steel
line itself could have an air leak.  However, it might be easier to just
start with the fuel pump (replace it) and see if the problem is solved.
Only takes about 20 mins to change one out.  If not, more investigation to
do and you now have a spare fuel pump.


Attachments are scanned with anti-virus software.

Later, JR

----- Original Message ----- 
From: "Anil Mittal" <anil@anil.com>
To: <virtualvairs@corvair.org>
Sent: Thursday, July 15, 2004 2:51 PM
Subject: <VV> Fuel Pump Going Bad??


> Hello All,
>
>   I have a 66 with a 140 and Power Glide. The fuel pump on the car is
> a stock one from one of the Corvair vendors which is less than 5
> years old and I am wondering if it is going bad here are the symptoms:
>
>   A few weeks ago the car was running great then just kind of felt
> like it ran out of gas. It I pumped the accelerator pedal 15 to 20
> times I could get the car to start and run for about 3 seconds then
> it would die. I got the car towed home and thought that by chance
> both primary carb fuel stones had by chance clogged. I opened up the
> stones and replaced them with new spairs even though they looked
> fine. The car started right up and ran great for another week, then
> the same thing happened. I then replaced the rubber hose at the gas
> tank. The hose that was replaced was "vapor return hose" which was
> all cracked and nasty. I then replaced the hose in the rear left
> wheel well with proper fuel hose as well as installed an inline fuel
> filter there. The car again ran great for about a week. The next time
> this happined I noticed that I was on empty, thinking I ran out of
> gas I put a few gallons of gas in the car and had no luck getting it
> running. I could pump the accelerator pedal 20 times and it would run
> for a few seconds and die, no flodding and no raw gas smell which was
> really weird. I left the car on the side of the road and came back
> the next morning. With a little cranking the car started up and I
> drove it the 2 miles home. This was about a week ago and I have not
> touched the car since. Would this indicate to me a bad fuel pump
> which does not want to pump when it gets hot? The car does not have
> the typical vapor lock symptoms since it dies while it is driving and
> I did not have it "warm soak" just before. The carbs are fairly new
> Grant rebuilds less than a year old. I also do not have a raw gas
> smell in the oil so I don't beleve that the pump is leaking into the
> oil. Does anyone have any suggestions? Thank you for any help.
>
> Anil
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