How To Replace Glow Plugs

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Category:

Autos & Vehicles

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• repair
• instructions
• instructional video
• automobile
• howto
• how-to
• diy
• vehicle
• installation

[a1a2italy]

ok i have 2 questions i have a 5 speed manuel ford f350 7.3L international diesel engine where will my glow plugs be? And when i start the truck for the first time in the morning or like 5 hours after it had run last i have to use starting fluid or there is no possible way to start it why is that? thank you.

[canobd2]

What year is your F350?

[canobd2]

Check for a bad glow plug relay, note: the light and the relay are 2 separate circuits and if the light is working it does not necessarily mean that the relay is working. Make sure you look at the leads on the relay, If they look black or corroded, the contacts are probably bad. Good Luck!!

[06RPB]

i've been told they can break easily when trying to replace them which can be very costly:-/

[N4ANE]

@a1a2italy If its a powerstroke there under the valve cover

[ammo20000]

@a1a2italy I would check your glow plug relay first. Usually the glow plugs do not go bad. They are basically a resistor like your typical oven has. It just heats upt when power is put to them. The problem is usually the glow plug relay or the plug in connection point between the UVCH (under valve cover harness) and the main harness that comes from the relay. The UVCH connection point sometimes gets really hot and melts causing failure.

[Gauntt4ya]

@a1a2italy Your glow plugs should be right by your injectors/fuel lines, be very careful if your taking them out. there should be a slip that goes over it and if you dont pull it off smoothly then u can bust it and then you will have to replace the wiring as well as the glow plus.

[a1a2italy]

@canobd2 its a 1992

[canobd2]

Two common problems with your 6.5L are Pump Mounted Driver (PDM) and the Optical Sensor located in the pump itself. Good luck!!