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#1
06-16-2009, 03:06 PM
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The Torque That Glow Plugs Break Off At When You Try To Take Them Out
I was on Ebay checking the price of Beru Glow Plugs and found that one of the Sellers gave some information on the plugs (however these Gps were not for Mercedes they are Gps for a Ford Escort).
He listed something called a “Failure Moment [Nm] 45. Could it be that BERU can supply a spec telling at what torque their Glow Plugs will break off at for those long breakage prone Glow Plugs like go on the 606 Engines? And, could that spec be used to try to avoid breaking them when you take them out? Tightening Torque [Nm] 22 Failure Moment [Nm] 45 Port Type M4/2Nm Cone Pitch 63° Fitting Depth [mm] 21 Overall Length [mm] 67 Thread Size M 12x1,25 Spanner Size 12 mm Glow Plug Type Pencil-type Glow Plug Glow Plug Type After-glow capable Rated Current [A] 14 Voltage [V] 11
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84 300D, 82 Volvo 244Gl Diesel 
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#2
06-16-2009, 03:15 PM
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I always use a number 12mm open end wrench,on cold engine.
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1999 w140, quit voting to old, and to old to fight, a god damned veteran
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#3
06-16-2009, 03:35 PM
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A forum member failure tested 606 style pencil Beru's in a vise.
They all separated between 80 & 90NM.
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Terry Allison N. Calif. & Boca Chica, Panama 09' E320 Bluetec 77k (USA) 09' Hyundai Santa Fe Diesel 48k (S.A.)
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#4
06-16-2009, 05:42 PM
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Quote:
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 "Buster" in the '95 Our all-Diesel family 1996 E300D (W210) . .338,000 miles Wife's car 2005 E320 CDI . . 113,000 miles My car Santa Rosa population 176,762 (2022) Total. . . . . . . . . . . . 627,762 "Oh lord won't you buy me a Mercedes Benz." -- Janis Joplin, October 1, 1970
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#5
06-16-2009, 07:00 PM
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Jeremy - I believe they were held on the barrel of the GP and twisted apart at the threaded area.
I saved the tread. I'll send it to you this evening.
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Terry Allison N. Calif. & Boca Chica, Panama 09' E320 Bluetec 77k (USA) 09' Hyundai Santa Fe Diesel 48k (S.A.)
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#6
06-16-2009, 08:54 PM
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Quote:
Get 2 nuts that have the same threads as the Glow plugs and see if you can Jam Nut them together on on the Glow Plug. Tighten the vice on the nut closest to the 12mm hex end of the Glow Plug.
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84 300D, 82 Volvo 244Gl Diesel
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#7
06-16-2009, 09:54 PM
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Jeremy - See post #17
http://www.peachparts.com/shopforum/showthread.php?t=205418&highlight=glow+plug&page=2 I'd like to see the same done with Bosch plugs. The nut area is about 50% smaller than that on a Beru plug.
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Terry Allison N. Calif. & Boca Chica, Panama 09' E320 Bluetec 77k (USA) 09' Hyundai Santa Fe Diesel 48k (S.A.)
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#8
06-16-2009, 11:24 PM
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OK, good, I have Bosch plugs.
__________________
"Buster" in the '95 Our all-Diesel family 1996 E300D (W210) . .338,000 miles Wife's car 2005 E320 CDI . . 113,000 miles My car Santa Rosa population 176,762 (2022) Total. . . . . . . . . . . . 627,762 "Oh lord won't you buy me a Mercedes Benz." -- Janis Joplin, October 1, 1970
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