Signs of ceramic glow plugs
Pic. 2.376. External signs of ceramic glow plugs
Caution: Ceramic glow plugs are very susceptible to bending and impact. For this reason, candles that have fallen from a height of more than about 2 cm should never be used again, even if they do not show external damage.
Vehicles with cylinder head (2 valves per cylinder)
A - metal glow plug with color marking.
B - ceramic glow plug with support tube, no color marking.
Vehicles with cylinder head (4 valves per cylinder)
C - metal glow plug with color marking.
D - ceramic glow plug with support tube, no color marking.
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