Signs of ceramic glow plugs
Fig. 2.376. External signs of ceramic glow plugs
Caution: Ceramic glow plugs are very sensitive to bending and impact. For this reason, glow plugs that have fallen from a height of more than approximately 2 cm should never be reused, even if they are not externally damaged.
Cars with cylinder head (2 valves per cylinder)
A – metal glow plug with color marking.
B – ceramic glow plug with support tube, without color marking.
Cars with cylinder head (4 valves per cylinder)
C – metal glow plug with color marking.
D – ceramic glow plug with support tube, without color marking.
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