Changing out glowplugs

[ttyR2]

Do the valve covers have to be removed to get to the glow plugs on the 7.3?

[slandry786]

Yes thay have to come off

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[Sticker Monster]

here is the r&r procedure from the repair manual.

SM

[blue99stroker]

i think most of my valve covers bolts were 1/2 inch socket, but the back bolt on both of them was 13mm just a tip. i kept wondering why i couldnt get it off lol

[NoRalPh]

I'm sure you'd find they're ALL 13mm

You can force a 1/2" socket, it's slightly undersized, on most 13's if you have a good "straight shot" on it (or a cheap worn one). But if you're working blind and relying on "feel " alone, like those VC bolts in the back, it can make using one difficult....