How long to replace glow plugs in a 2001 ford 7.3 diesel?

Replacing glow plugs in a 2001 Ford 7.3 diesel typically takes about 2 to 4 hours, depending on your mechanical skill level and whether any bolts are seized or difficult to access. The process involves removing the intake manifold for better access, which can add to the time required. Make sure to use the proper tools and follow safety precautions to avoid damaging the engine components.