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Join Date: Oct 2004
Location: San Luis Obispo, CA
Posts: 320
Fuel pump dying?

I checked the volume output of my fuel pump today. Weber carbs.

At the engine compartment, no filter. Output was 12 oz in 30 sec which converts to 42.58 liters per hour.

The pump is OEM Bosch and the specs say its capacity is 80 liters per hour.

So, I'm just over half volume. What does this mean?


Thanks in advance,

Rob

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356robo
70 T Targa
Looking for a 2.2,2.4, or 89 coupe

Last edited by 356robo; 03-22-2011 at 05:52 PM.. Reason: left out info
Old 03-22-2011, 05:50 PM
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How many miles on it? other have stated over 100K is time to swap. I'm almost there...
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Old 03-22-2011, 05:52 PM
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I think there is a finger strainer in the tank could it be starting to clog up?
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Last edited by cgarr; 03-22-2011 at 06:49 PM..
Old 03-22-2011, 06:09 PM
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107,000 miles.

I'll look for the filter tomorrow.

Thanks,

Rob
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356robo
70 T Targa
Looking for a 2.2,2.4, or 89 coupe
Old 03-22-2011, 07:13 PM
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On my 1977 the fuel pump was easier to change out than the fuel accumulator or fuel filter. It is not that expensive either.
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Old 03-23-2011, 01:19 AM
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Here's an update:

Filter in the tank is open and flowing.

I measured 12 volts to the pump.


Rob

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356robo
70 T Targa
Looking for a 2.2,2.4, or 89 coupe
Old 03-24-2011, 01:04 PM
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