Quote:
Originally Posted by aklim
IMO, there are reasons.
1. Assuming that you haven't replaced them for a long while and 1 burns out, it is likely that the others are not far behind. Save yourself the gasket $10-15 and the time, routine or not.
2. If you take it out after a long while, you can re-anti-seize the plugs and clean the threads.
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I think the glow plugs cost more than the gasket. And, I have taken to reusing the gasket once before I ditch it. I tried it the time before last and had no problems. So, I don't see how replacing functioning glow plugs saves money.
Pulling them when they are the least bit resistant and then reinstalling them is a formula for going back in to replace the plug sooner, as I see it. I would prefer to install only out of the box, new plugs. Can't really tell if the removal process did any structural damage.
So, I hear you aklim, but I am inclined to fix only what is broken. Besides, the intake manifold is getting routine now. Still hate it covering everything that needs regular work, but it is not that big a deal thanks to Lightman's instructions. Jim
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Own:
1986 Euro 190E 2.3-16 (291,000 miles),
1998 E300D TurboDiesel, 231,000 miles -purchased with 45,000,
1988 300E 5-speed 252,000 miles,
1983 240D 4-speed, purchased w/136,000, now with 222,000 miles.
2009 ML320CDI Bluetec, 89,000 miles
Owned:
1971 220D (250,000 miles plus, sold to father-in-law),
1975 240D (245,000 miles - died of body rot),
1991 350SD (176,560 miles, weakest Benz I have owned),
1999 C230 Sport (45,400 miles),
1982 240D (321,000 miles, put to sleep)
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