Question about 1988 GMC K3500
Posted by Anonymous on
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Posted on Jan 02, 2017
First thing unhook positive battery cable, unhook main cable on starter selanoid and small wire on selanoid (there may be 2 small wires) There may be a bracket on front of starter that has to be removed, and then the 2 main bolts that hold it to engine block and it should come out.
Posted on Feb 14, 2009
SOURCE: gmc sub wont start 1996
Your fuel pump may be at the end of it's life and need to be replaced. Your going to have to check your fuel pressure at the shredder valve, to have the engine start you need 60 to 65psi. Any other readings will not start and under 55psi, engine will not run. It's common to hear the electric fuel pump working but the mechanical pump it self is worn out and can no longer provide the proper fuel pressure for your SEFI system. Good luck and keep me posted, be glad to help get you truck running again. Auto Zone has loner tool program and they will have the step by step instructions to get the job done.
Posted on Jul 01, 2009
GM S10/S15/Sonoma Pick-Ups 1982-1993 Repair Manual
Electric Fuel Pump - REMOVAL & INSTALLATION
CAUTION Due to the possibility of fire or explosion, never drain or store gasoline in an open container.
Good luck (remember rated this).
Posted on May 24, 2010
to remove the fuel pump you need to unbolt the tank and the lines to drop down the gas tank. then turn the ring on the top of the tank and unplug the wires and remove the fuel pump
Posted on Jul 20, 2010
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