Quote:
Originally Posted by biopete
Wow! Nice write up Actros617 and nice work. Thank you. How hard is it to change the glow plugs on that engine? it must not be very hard. I would have been tempted to pull them all and replace while everything was off and I was staring at their brittle little plugs.
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Replacing the glow plugs are tricky because there's a chance of shearing off the glow plugs because its seized in the block, according to MB service manual it reccomend you to warm up the engine to operating temp and remove glow plug so it wont break and leave the glow plug tip in the head, if the it break off you have to extract it ie tap into the glow plug tip using an extractor, or remove the cylinder head to remove it.
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Current Garage
2008 Mercedes GL320 CDI 188k mi Repair/Work in progress
1994 S350 160k mi Garage Queen & prepping for repairs
2005 E320 CDI 203k mi Healthy & Daily Driver
1994 S350 357k mi Retried as parts car
1984 300TD 214k mi Blown OM617 Poss OM603 Swap??
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1987 300SDL 200K+
1994 S320 181K mi
2008 E320 Bluetec 127k mi
1999 S420 130K mi
1980 240D 360k mi
15+ Others that has come, stay and gone
GONE, BUT NOT FORGOTTEN 
1995 E320 SE 220k mi
1984 300SD 350k mi