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  #1  
Old 11-21-2010, 11:08 PM
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Glow plug service tool kit

Hi,

There are a few good threads on testing and working on glow plugs, but I haven't seen much on the best tools. I saw one thread where a drillbit was welded into an old glowplug...

But what is best practice? Just a drillbit? What size, should I get some sort of brush to work the holes like the site from up in Washington sells?

Is it smart to get grease in the prechambers, or am I better off maybe dipping the tool into oil which might have fewer ramifications?

Should I blow compressed air in or such vacuum on the hole before cranking to blow them out?

Thanks!
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Own:
1981 240D (73K)
1982 300CD (162k)
1991 350SD (113k)
1998 Chevrolet S-10 ZR2 (62K)
2011 BMW 135i cv (14k)
2014 Honda Odyssey (6k)
2015 Honda Accord Hybrid (5k)
Had:
2008 VW Rabbit (70k)
2004 SAAB 9-3 (83k)
1991 BMW 318i (183K)
1983 300D (228K) (wrecked by at-fault uninsured driver)
1985 300D (233K) (now in FL)
1994 Acura Integra (188k) (Rusted out)
1992 Toyota 4Runner (72k) (Rusted out)
1990 Daihatsu Rocky (??) (No parts)
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  #2  
Old 11-22-2010, 01:11 AM
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Confused, are you looking for a tool kit or probing for a market?
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85 300TD almost 400k miles and driven daily.
98 E300D *sold
86 300SDL *sold and made flawless 10 hour journey to new home.
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  #3  
Old 11-22-2010, 01:21 AM
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Looks like you have seen the M*******Source ad.
The little gadget brush is not need.

You do not need the Instructions because our do-it-yourself section has ample instructions.

The Factory Made Glow Plug Reamer has a 7mm outside diameter bit on it.

The use of Grease is recommended by the Factory Service Manual because ti traps the reamed out Carbon and holds it in the Grease. The Grease is not being used as a lubricant.

In 2 of the below pics I used Vasoline so that the Carbon would show up. However, except on a very cold day Vasoline is too runny. I normally use Wheel Bearing Grease because that is what I have; the service manual does not specify any particular Grease.

In one of the Pics I show my Home Made Glow Plug Reamer on the Left; a Glow Plug in the Center and a Factory made Reamer on the right.
On the ones I make I used a 6 Flute (groove) Reamer on the end.
Attached Thumbnails
Glow plug service tool kit-gp-r-1.jpg   Glow plug service tool kit-gp-r-2.jpg   Glow plug service tool kit-gp-2-4.jpg  
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Last edited by Diesel911; 11-22-2010 at 01:48 AM.
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  #4  
Old 11-22-2010, 01:39 AM
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The only thing you need is a glow plug reamer, which you can get by clicking on the "Buy Parts" link at the top of this page and then selecting "Special Tools." The last section in Special Tools is for Mercedes diesels and there are several reamers available for the various models.
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  #5  
Old 11-22-2010, 01:56 AM
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Quote:
Originally Posted by JHZR2 View Post
Hi,

There are a few good threads on testing and working on glow plugs, but I haven't seen much on the best tools. I saw one thread where a drillbit was welded into an old glowplug...

But what is best practice? Just a drillbit? What size, should I get some sort of brush to work the holes like the site from up in Washington sells?

Is it smart to get grease in the prechambers, or am I better off maybe dipping the tool into oil which might have fewer ramifications?

Should I blow compressed air in or such vacuum on the hole before cranking to blow them out?

Thanks!
No one has tested a Glow Plug Reamer against a Drill Bit or any other of the cleaning methods to say which works better.

People seem to pic what ever method they want to use and stick with that.

But, the Factory Service Manual and from what I have read the general consensus of forum members is that it is believed cleaning the Carbon out with something extends the life of the Glow Plugs.
From my notes Hunter speaking of Glow Plugs dieing due to Carbon insulation
http://www.peachparts.com/shopforum/showthread.php?t=256688
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  #6  
Old 11-22-2010, 08:25 AM
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Quote:
Originally Posted by Renntag View Post
Confused, are you looking for a tool kit or probing for a market?
Per my oher hard starting thread, Im doing research to have all the right tools to do the job beyond properly...
__________________
Own:
1981 240D (73K)
1982 300CD (162k)
1991 350SD (113k)
1998 Chevrolet S-10 ZR2 (62K)
2011 BMW 135i cv (14k)
2014 Honda Odyssey (6k)
2015 Honda Accord Hybrid (5k)
Had:
2008 VW Rabbit (70k)
2004 SAAB 9-3 (83k)
1991 BMW 318i (183K)
1983 300D (228K) (wrecked by at-fault uninsured driver)
1985 300D (233K) (now in FL)
1994 Acura Integra (188k) (Rusted out)
1992 Toyota 4Runner (72k) (Rusted out)
1990 Daihatsu Rocky (??) (No parts)
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  #7  
Old 11-22-2010, 09:50 AM
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There is no doubt (in my mind, anyway) that a drill bit, twisted by hand, will do the job on the 616/617 engines. It might take a little more effort than the reamer, but it is far more cost-effective for the occasional user.

Last edited by tangofox007; 11-22-2010 at 11:55 AM.
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  #8  
Old 11-22-2010, 10:21 AM
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Quote:
Originally Posted by JHZR2 View Post
Per my oher hard starting thread, Im doing research to have all the right tools to do the job beyond properly...
No offense intended, but clearly expressing this in the initial post and thread title really help. When reading the title one would think you are either saying "Hey look what I found" or "who wants to buy one?"

Perhaps a better title is "What tools are needed to service glow plugs OMxxx). Followed by a little background info and intent in the initial post.

This is something I am going to have to do soon as well and therefor helpful info. I am curious what the available reamer costs here? All this commentary about cheap options and no part numbers or prices or even a link to what is offered on PP.com.
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84 300SD Daily driver
85 300TD almost 400k miles and driven daily.
98 E300D *sold
86 300SDL *sold and made flawless 10 hour journey to new home.
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  #9  
Old 11-22-2010, 11:45 AM
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Quote:
Originally Posted by Renntag View Post
Perhaps a better title is "What tools are needed to service glow plugs OMxxx). Followed by a little background info and intent in the initial post.
If that is the best that you can do when it comes to grammar and punctuation, your critiques of other folks' posts are destined to offer more entertainment than enlightenment.

Quote:
Originally Posted by Renntag View Post
I am curious what the available reamer costs here? All this commentary about cheap options and no part numbers or prices or even a link to what is offered on PP.com.
Is your search engine out of fuel?

Or was the wording of this earlier post inadequate for your needs?

Quote:
Originally Posted by Jeremy5848 View Post
The only thing you need is a glow plug reamer, which you can get by clicking on the "Buy Parts" link at the top of this page and then selecting "Special Tools." The last section in Special Tools is for Mercedes diesels and there are several reamers available for the various models.
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  #10  
Old 11-22-2010, 12:48 PM
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read Post #4

Charlie
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there were three HP ratings on the OM616...

1) Not much power
2) Even less power
3) Not nearly enough power!! 240D w/auto

Anyone that thinks a 240D is slow drives too fast.

80 240D Naturally Exasperated, 4-Spd 388k DD 150mph spedo 3:58 Diff

We are advised to NOT judge ALL Muslims by the actions of a few lunatics, but we are encouraged to judge ALL gun owners by the actions of a few lunatics. Funny how that works
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  #11  
Old 11-22-2010, 01:46 PM
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Quote:
Originally Posted by Jeremy5848 View Post
The only thing you need is a glow plug reamer, which you can get by clicking on the "Buy Parts" link at the top of this page and then selecting "Special Tools." The last section in Special Tools is for Mercedes diesels and there are several reamers available for the various models.
That link confuses me... There are two tools, one for 602, 603 and 617.95, and another for 615, 616 and 617 engines. One seems to be 12x1.25 and the other 18x1.25. Is one right and one wrong for a 617.952?
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Own:
1981 240D (73K)
1982 300CD (162k)
1991 350SD (113k)
1998 Chevrolet S-10 ZR2 (62K)
2011 BMW 135i cv (14k)
2014 Honda Odyssey (6k)
2015 Honda Accord Hybrid (5k)
Had:
2008 VW Rabbit (70k)
2004 SAAB 9-3 (83k)
1991 BMW 318i (183K)
1983 300D (228K) (wrecked by at-fault uninsured driver)
1985 300D (233K) (now in FL)
1994 Acura Integra (188k) (Rusted out)
1992 Toyota 4Runner (72k) (Rusted out)
1990 Daihatsu Rocky (??) (No parts)
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  #12  
Old 11-22-2010, 02:02 PM
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Quote:
Originally Posted by JHZR2 View Post
One seems to be 12x1.25 and the other 18x1.25. Is one right and one wrong for a 617.952?
The 617.952 engine clearly doesn't have M18 threads for the glow plugs

Last edited by tangofox007; 11-22-2010 at 08:26 PM.
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  #13  
Old 11-22-2010, 02:07 PM
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Thought not but didn't recall if that was a thread count, pitch, length, head size, etc... I'm not well-up on my bolt nomenclature...
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Own:
1981 240D (73K)
1982 300CD (162k)
1991 350SD (113k)
1998 Chevrolet S-10 ZR2 (62K)
2011 BMW 135i cv (14k)
2014 Honda Odyssey (6k)
2015 Honda Accord Hybrid (5k)
Had:
2008 VW Rabbit (70k)
2004 SAAB 9-3 (83k)
1991 BMW 318i (183K)
1983 300D (228K) (wrecked by at-fault uninsured driver)
1985 300D (233K) (now in FL)
1994 Acura Integra (188k) (Rusted out)
1992 Toyota 4Runner (72k) (Rusted out)
1990 Daihatsu Rocky (??) (No parts)
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  #14  
Old 11-22-2010, 02:13 PM
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The link confuses me too.

I understand the 616, 617 and 603 engines all have the same glow plug.

They are 12 x 1.25 thread.
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  #15  
Old 11-22-2010, 02:40 PM
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Quote:
Originally Posted by toomany MBZ View Post
The link confuses me too.

I understand the 616, 617 and 603 engines all have the same glow plug.
Different versions of the 616 and 617 engines were equipped with different glow plugs.


Quote:
Originally Posted by toomany MBZ View Post

They are 12 x 1.25 thread.
Not necessarily.
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