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| Fuel pump proplems https://auszookers.com/forum/viewtopic.php?f=5&t=45379 |
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| Author: | azzas15 [ Fri Mar 07, 2014 5:37 pm ] |
| Post subject: | Fuel pump proplems |
Hi All, My last two external fuel pumps have seized on my sierra with a g16b conversion. First thing they where both from other cars (vl commodore) so it could just be bad luck and the pumps where old. Currently I'm just running fuel tank > external fuel pump > fuel filter > engine > return line Am I missing something? Do I need a lift pump? I'm looking for a coily tank but the ones I found are out of my price range so for now I just need it running. Anyone have any tips.. Will buy a new one when I have the funds. Cheers Aaron |
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| Author: | jimny_timmy [ Fri Mar 07, 2014 5:56 pm ] |
| Post subject: | Re: Fuel pump proplems |
I'd be running a fuel filter between the tank and the pump to stop any crap getting in the pump. Also leave the one between the pump and the engine as a little more security. I reckon there may have been a bit of crap got into the pump and stuffed it |
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| Author: | pezz [ Fri Mar 07, 2014 6:50 pm ] |
| Post subject: | Re: Fuel pump proplems |
im reasonably sure that vl's ran a scavenge pump in the tank to supply the external pump as the struggle with drawing up the fuel causing premature failure i could well be wrong tho |
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| Author: | Sookie [ Fri Mar 07, 2014 7:01 pm ] |
| Post subject: | Re: Fuel pump proplems |
your right pez all rb30 vls run a intake then a external pump |
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| Author: | reeceh [ Fri Mar 07, 2014 8:58 pm ] |
| Post subject: | Re: Fuel pump proplems |
In my g16b sierra. I had tank to filter to lift pump to Vl turbo pump to surge tank tohigh pressure filter to injector rail then I upgraded the return line and feed line. I never had my Vl pump fail. However my lift pump failed once I think cause it had no prefilter which is I why I then run a prefilter |
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| Author: | reeceh [ Fri Mar 07, 2014 8:59 pm ] |
| Post subject: | Re: Fuel pump proplems |
Should if said to surge tank than Vl pump |
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| Author: | JrZook [ Sat Mar 08, 2014 12:22 am ] |
| Post subject: | Re: Fuel pump proplems |
How much crap in your tank? I reckon a scale of rust or something has seized them up. If the pump is mounted near the tank and is not ridiculously high, it should have no problems priming and working correctly whilst having a long life. A large low pressure fuel filter before the pump would be a good idea. Last time I got a new pump it was only $40 from repco. |
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| Author: | azzas15 [ Sat Mar 08, 2014 9:07 am ] |
| Post subject: | Re: Fuel pump proplems |
Thanks for the responses guys. Might run a lp filter before the fuel pump this time. Basically the fuel pump is mounted where the original sierra fuel filter was. Not sure what condition the inside of the tank is like. I might try and pull the tank out. I was quoted $160 for a new external fuel pump from Repco. Which pump did you use? |
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| Author: | JrZook [ Sat Mar 08, 2014 10:49 am ] |
| Post subject: | Re: Fuel pump proplems |
Just some generic brand inline pump for a VL. Maybe they bumped the prices back up.. |
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| Author: | reeceh [ Sun Mar 09, 2014 6:28 am ] |
| Post subject: | Re: Fuel pump proplems |
Get a cheapy off eBay. |
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| Author: | Sookie [ Sun Mar 09, 2014 10:07 pm ] |
| Post subject: | Re: Fuel pump proplems |
I have few Vl pumps intake and out tank ones from my Vl turbo days |
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