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Does anyone know if there is a one way valve in the fuel line back to the tank or in the tank pick up. Just trying to diagnose why im not getting fuel to fuel filter/fuel pump. Blowing compressed air back towards the tank goes nowhere
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There is no one way valve, but I'd be checking for a perished rubber hose at the tank fitting & in the chassis rail joint.
When you say it "goes nowhere", can you hear it escaping anywhere ?
Dr Terry |
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Hi Dr Terry
Any amount of air applied to the hard line at the engine bay gets spat back at me. I cant hear it anywhere else
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Try removing petrol cap first, Then if it still spits back you've got a blockage. Try the hoses first as Dr Terry says then look at the fuel pick up in the tank.
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Ok great. Where would i get a fuel pick up removal tool from
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Originally Posted by: holden05  Ok great. Where would i get a fuel pick up removal tool from I doubt you will need a removal tool. Just remove the petrol filler cap & have somebody put their ear to the filler neck while you blow with compressed air. Blockages are rare, but if you have one the tank will be full of cr@p, so will need removing anyway. My bet is that one (or both) of the short rubber hose joiners have perished allowing the fuel pump to suck air, so petrol is not delivered. Dr Terry Edited by user Tuesday, 25 May 2021 4:38:25 PM(UTC)
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Originally Posted by: Dr Terry .............
My bet is that one (or both) of the short rubber hose joiners have perished allowing the fuel pump to suck air, so petrol is not delivered.
Dr Terry did WB get a filter sock on the end of the pickup pipe (in the tank?) like Commodore did? if so, these have a habit of going hard, actually acting like a plastic bag blocking the pickup pipe and so, zero fuel goes to the pump |
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