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akheel
 
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Default Volvo 4.3 fuel pump woes

Same engine, same pump here. I had the same problems. I installed a
"primer" switch at the helm. Basically, I justed applied 12 volts to the
relay through a switch. I used a momentary switch so I can't leave it on by
accident. When starting the boat after its been layed up a while, I press
the switch for a few seconds. You can hear the fuel pump whirl. The float
bowl fills up. Pump the throttle a few times and starts right up. Before
I installed the switch, I burned out a starter trying to get it going one
day.

You can also test the fuel pump this way. If you apply 12 volts to the
relay and the pump doesn't start, something is wrong with the pump, wiring
or relay. If it starts, but no fuel in the carb, probably bad pump.

One more thing, the other day, even the "primer" method failed. After
checking several other things, I noticed that the wires on the top of the
pump had pulled loose. There is some sort of plug and socket assembly on
the top of the pump that had pulled appart. I'm not taling about the
obvious plug on the bracket that you can see and is secured with a wire
clip. This plug isn't so obvious and I don't think its made to come apart
normally. Its also not obvious when its loose. Anyway, I pushed it in real
tight and everything was alright and remains so. Check that connnection
before you go replacing the pump.



(White Furby) wrote in
om:

I have a 1996 Glastron with a Volvo 4.3GS SX engine and I finally got
it out of storage this year and tried to get it to start. Every year
it seems to be a bear to get this thing cranked after it has been
winterized.

I read some other posts that indicate that the electric fuel pump on
these engines is a design flaw and that the pump won't start pumping
until the engine is running and of course the engine won't run without
gas. Do others agree that there is a basic design flaw here?

This year I'm pretty sure that the pump has gone out again. The first
time was in 2000 and now it looks like it's the culprit again. I have
resorted to putting a little gas down in the carb and then trying to
get the thing to start which has worked fairly well in the past. After
doing this yesterday, I removed the fuel line going to the carb and
tried starting again and I am not seeing any fuel flow at all.

Should these things be failing every four years?

Is there a good place online to obtain this fuel pump?