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#1
06-06-2006, 03:56 PM
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"crunching" sound from gas tank area
When the car is cold and I turn the key to the 'on' position without starting it up, I hear a crunching/grinding noise coming from the rear of the car. I was thinking it might be the fuel pump being clogged with something (likely recently dislodged by the increase of ethanol in gas nowadays). Not sure, but the car starts up and runs fine nonetheless. Just don't want to be stranded. Any other idea? How much for a new fuel pump? (part + labor)
--94 SVX LSi 
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#2
06-06-2006, 07:01 PM
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It has a saddle style tank. One side has an electric fuel pump, the other uses a jet jump to transfer fuel to the other side. The noise you hear is just air bubbles in the jet pump. Nothing to worry about.
Unless I'm wrong. 
__________________
ASE Certified Master Automotive Technician w/L1. ASE Certified Master Medium/Heavy Truck Technician. Certified EVT (Emergency Vehicle Technician)
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#3
06-07-2006, 08:03 AM
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Interesting... I had just filled up the tank, too. I'll keep you posted if anything goes wrong. I've been hearing more and more in the news about clogged fuel pumps and filters from the gas/ethanol mix so I was a bit concerned.
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#4
06-07-2006, 03:13 PM
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Quote:
__________________
Trevor, New Zealand. As a child, on cold mornings I gladly stood in cowpats to warm my bare feet, but I detest bull$hit! 
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#5
06-07-2006, 03:59 PM
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The SVX fuel pump is pretty reliable. I can't recall anyone saying they had replaced theirs and actually cure what they were trying to fix.
__________________
ASE Certified Master Automotive Technician w/L1. ASE Certified Master Medium/Heavy Truck Technician. Certified EVT (Emergency Vehicle Technician)
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#6
06-11-2006, 12:04 AM
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Quote:
Are you sure you arent hearing your power antenna making noise ? the mast trying to go up ?
__________________
My mom will forever live in me and never be forgotten, one day Ill see her again CLICK the LINK below to Visit the SVX Store: http://www.planetsvx.com http://www.motorsportwarehouse.com/svx/sig2.jpg Cars in the garage: 92 Toyota Soarer Single Turbo JDM RHD 70 Boss 302 Mustang 39k original miles 97 SVX Lsi 92 Liquid Silver Murano-ized (1st of its kind) 71 Cougar Xr7 Conv 351c 4v 4spd 69 SS Camaro 350 71 Nissan RHD Fairlady Z 70 Stang Fastback 70 Amc AMX 390 71 240z 89 Conquest TSi w/ 5.0 v8 swap 84 Mustang GT Turbo conv "good, if it bleeds, we can kill it ....."
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#7
06-13-2006, 03:01 PM
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Don't think so. In any event, it *seems* to have gone away. I drive it everyday and whatever it was has either been chewed up by the pump and is now residing in the fuel filter, or was just bubbles. Sounded pretty scary at the time...
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#8
06-13-2006, 08:13 PM
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I have the same crunching, bubbling sound after opening the fuel line. I spent a good bit of time fixing problems and went through all fuel injectors, did a pressure test, etc. After closing the fuel line and turning on the key I heard the fuel pump pushing air through the line and pressurizing the system.
Strange that you heard it without opening the line. Glad it's gone!
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