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#1
12-16-2006, 02:11 AM
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one cylinder eating glow plugs?
It may be coincedence...... but I had glow plug trouble a few months ago and found my #2 cylinder GP bad (read 20 MOhms when out of the block). I replaced all my plugs (with AutoLites
 ) and the problem went away. I kept the 3 good ones thankfully.On Monday, I started having to crank for a minute or so before she finally started.... the temps were around 40*F, but 2 days earlier it was around 30*F and she cranked first try after only one relay cycle. When I looked into it, the #2 cyl GP was the only bad one (7 MOhm). I put one of my old ones back in and she started fine. Fortunately the car parts store hear loves me and I'm going to get a whole new set free (AutoLite again oh well). My question, is it coincedence, or is there something that can cause a cylinder to eat glow plugs faster than others? Phil 
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#2
12-16-2006, 05:20 AM
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did you clean out soot inside the gp chamber? Try cleaning it out and putting in bosch gp's.
__________________
1979 240d 216k (W123) Daily Driver Volvo 245DL 210k 1979 300D FOR SALE 2002 Tahoe 91k FOR SALE 1980 300sd 177k (W116) Sold 1980 300sd Parts (W116) Junked 1979 240D 121k (W123) Sold 1982 300TDT 298K (W123) (Sold)
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#3
12-16-2006, 06:28 AM
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yeah.
tom w
__________________
[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.  [SIGPIC]..I also have a 427 Cobra replica with an aluminum chassis.
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#4
12-16-2006, 10:25 AM
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Use the glow plug hole reamer ... place grease on its flutes before using, blow out hole with compressed air afterwards ( this is what the Mercedes Factory Shop manual says )... you probably have a short due to carbon buildup... or buildup which is insulating it as far as temperature ( it is getting hotter than the other ones due to the insulating properties of the close carbon )...
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#5
12-16-2006, 07:24 PM
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It could be the brand of GPs your using, Monarch, Champian and AutoLite have been known to crap out early,
__________________
 1985 Euro 240D 5 spd 140K 1979 240D 5 spd, 40K on engine rebuild 1994 Dodge/Cummins, 5 spd, 121K 1964 Allice Chalmers D15 tractor 2014 Kubota L3800 tractor 1964 VW bug "Lifes too short to drive a boring car"
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#6
12-16-2006, 09:58 PM
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I'm with the Bosch replacements! Do clean out your glow plug chamber!
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#7
12-17-2006, 12:01 PM
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Won't a bad injector cause this? I know with VW diesels if the injector has a bad spray pattern and the GP gets wet it will burn up eventually.
__________________
1978 Ford F-150 351M 2002 Kia Spectra 1.8l 5-sp 1985 Volkswagen Scirocco 8V 1.8l 5sp 1985 MB 300D Turbo California "Die Natur verabscheut Vakuum"
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