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#1
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best f*ing wrench for changing glow plugs
https://www.aliexpress.com/item/4001274933004.html?spm=a2g0o.9042311.0.0.27424c4dAXpXzK
just replaced all my glow plugs. this is the wrench to have
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![]() 1977 240D auto w/OM616.916 engine 2005 Matrix 5spd 2006 Prius https://photos.app.goo.gl/AdP7i8xfCJeFuk5y9 glass pendant necklace http://glasspendantnecklace.com fused glass pendant http://fusedglasspendant.com |
#2
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#3
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+1 on Canada's input. Those ratcheting little pass-through wrenches are perfect for glow plugs. Saves quite a bit of time, especially if you are reaming.
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#4
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I also use ratcheting box wrenches. It was very tedious before I got a set of metrics at HF. As I recall, 8 mm for the electrical nut and 10 mm for the glow-plug body though vaguely recall perhaps some being 12 mm. I've run a tap thru a few times, but never found any of the carbon debris that people speak of. I've been documenting glow-plug changes in my 2 300D's and some have lasted only 22K miles (VSP and CFP Chinese brands I recall, though might be Autolite and Champion too).
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1984 & 1985 CA 300D's 1964 & 65 Mopar's - Valiant, Dart, Newport 1996 & 2002 Chrysler minivans |
#5
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Pics after using a glow plug reamer attached.
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84 300D, 82 Volvo 244Gl Diesel |
#6
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same here, just a little carbon dust came out when I reamed mine.
it got down to freezing here. went out in the morning, glowed the plugs, the motor started i n half a turn. I guess all of my old plug plugs were dead LOL
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![]() 1977 240D auto w/OM616.916 engine 2005 Matrix 5spd 2006 Prius https://photos.app.goo.gl/AdP7i8xfCJeFuk5y9 glass pendant necklace http://glasspendantnecklace.com fused glass pendant http://fusedglasspendant.com |
#7
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I agree ive never seen a lot of carbon when reaming with a tool or drill bit (7mm iirc?). I always vacuum out the holes though...
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Current Diesels: 1981 240D (73K) 1982 300CD (169k) 1985 190D (169k) 1991 350SD (116k) 1991 350SD (206k) 1991 300D (228k) 1996 Dodge Ram CTD (442k) 1996 Dodge Ram CTD (267k) Past Diesels: 1983 300D (228K), 1985 300D (233K), 1993 300D 2.5T (338k), 1993 300SD (291k) |
#8
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I've reamed 3 different engines now, and they all came out like Diesel911's picture. Not sure if it made a noticeable differnece, but it sure was satisfiying.
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#9
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that seems like the worst FUklng wrench for glow plugs.
the Gearwrench flex head are the best. https://www.gearwrench.com/products/wrenches/ratcheting/combination/9910d-10mm-72-tooth-12-point-flex-head-ratcheting |
#10
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haha FAIL
'Dogbone' multiwrenches are for people that don't have a tool box, or any tools. And nothing from China is "express" now, except maybe fentanyl and government crack pipes.
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1985 300TD 1981 Scirocco 1.6D conv 1986 Golf 1.6D 2003 Golf TDI Last edited by sgnimj96; 03-15-2022 at 11:48 AM. |
#11
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In my 1984 and 1985, I could see the interior of the pre-chambers when I had the injectors out (for compression test & pop-testing). There was no carbon in there and I could see the suspended balls. People have posted drawings which show that some pre-chambers are different, with a throat which makes viewing inside impossible. Perhaps those are the ones which collect carbon. My 1985 has a 1982 engine now, but don't recall seeing a throat in any of my 3 engines. Perhaps that throat was in 1970's engines. With injectors out, it was good to view the glowplugs to insure they all glowed at the tips, since some have the hot-spot in the middle where it does less good.
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1984 & 1985 CA 300D's 1964 & 65 Mopar's - Valiant, Dart, Newport 1996 & 2002 Chrysler minivans |
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