Inspection After Removal

WARNING: This page is about a different car, the 2018 Nissan Titan XD. However, it is still accessible from the selected car via links, so may be relevant.

Any of the following conditions require the glow plug to be replaced:
- Cracks or bubbling of the surface anywhere in the glow plug, including the ceramic tip.
- Corroded glow plug body and threads (distinguished by white or red color).
- Chipped or broken electrical connection tip or ceramic tip.
- Bent glow plug body or glow plug ceramic tip area.