Question about 1997 Ford F350 Crew Cab

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Glow plugs i have a '97 ford f-350 7.3L power stroke, need to change glow plugs and nener have worked on a diesel moter and dont know where the glow plugs are please help

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  • yadayada
    yadayada May 11, 2010

    four on each side of the engine, do u have the new ones easy to spot.

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You'll find the glow plugs where spark plugs would be in a gasoline engine (in the cylinder heads).
The glow plugs will be smaller than spark plugs and, like a light bulb, will burn out and loose electrical continuity. You can check them in place with an ohm meter:
Remove the wire attached to the positive end and mesaure resistance to gound (engine block) through the plug. Unscrew failed glow plugs and install replacements. Carefully clean around the plugs prior to removal (to prevent dirt entering the engine) and apply the correct anti-seize compound to the threads of the new plugs where they screw into the heads. Be sure the wires are well connected without any corrosion or oxidation (no resistance).
Take your time and work carefully so as to avoid breaking or cross threading plugs. Do not wash the engine with water or detergent as the injector pump is delicate.

Posted on Jul 02, 2009

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