Why do my glow plugs always burn out in the middle of winter? I am sure its some form of Murphy's Law. In November I lost one. The Day after Christmas I lost two leaving me with only two working. This is the third year in a row I have lost all but two in the winter.

I have tried both Autolite and Bosch brands. I have cleaned the glow plug holes with a .223 wire brush to de-carbon the prechamber holes. The only thing I can conclude is they are not making the glowplugs as well as they used to.

Its not fun trying to replace them out in the cold weather.

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green 85 300SD 200K miles "Das Schlepper Frog" With a OM603 TBO360 turbo ( To be intercooled someday )( Kalifornistani emissons )
white 79 300SD 200K'ish miles "Farfegnugen" (RIP - cracked crank)
desert storm primer 63 T-bird "The Undead" (long term hibernation)

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