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| | | Forums66 Topics128,012 Posts1,055,316 Members48,419 | | Most Online14,466 Apr 26th, 2026 | | AD Chevy Trucks Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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#54170 12/30/2005 2:34 AM | Joined: Jul 2004 Posts: 5,708 'Bolter | | 'Bolter Joined: Jul 2004 Posts: 5,708 | Although not a bolt, and not gasoline, what do you think....is it possible for a conventional diaphragm type fuel pump to have a torn diaphragm and not leak into the crankcase..but just the opposite. Do you think it could "suck" air/oil out of the crankcase and put it into the system. :confused: :confused:
Stuart | | |
#54171 12/30/2005 3:17 AM | Joined: Jun 2000 Posts: 2,773 'Bolter | | 'Bolter Joined: Jun 2000 Posts: 2,773 | Only way that I can think of is if the crankcase pressure is higher than the fuel pressure, which is not likely. Check the PCV valve by shaking it lengthwise. If it doesn't rattle, it's stuck and needs cleaned or replaced.
Fred 52 3600 69 C-10
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#54172 12/30/2005 3:38 AM | Joined: Oct 2003 Posts: 445 Shop Shark | | Shop Shark Joined: Oct 2003 Posts: 445 | The PVC valve Replace it .You can shake raddle and roll.But the ball in the valve is not perfecty round and will not seal after years of use.So change it for a few bucks.The fuel pump yes,Keep a eye on the oil level,also smell the oil for fuel.keep watch on oil pressure
dan-pa
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