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-   -   E300TD glow plug stuck/broken (http://www.peachparts.com/shopforum/diesel-discussion/109101-e300td-glow-plug-stuck-broken.html)

hd wood 08-18-2010 08:55 PM

My MB techs are going to work on my 606 for the head gasket. I'm hearing with the plugs you have to heat the engine well before you start. They want to remove them before they remove the head. Are any of you doing that?

Also would like to know if anyone knows who the OEM supplier is for head bolts. I found a good deal for Reinz bolts and would like to know that they are acceptable. My guys say to go to Mercedes but why pay the price if you don't have to. Also they feel you can reuse them as long as they "measure" up.

Jakub902 08-12-2017 07:53 AM

Hello, I will be attempting this job next week. I have a recently purchased 99 e300td. I don't have a record of when or if ever the gp were replaced. I just got the check engine light with a p0380 code. Car has 116k miles. Wish me luck

sokoloff 08-12-2017 09:31 AM

Before I'd jump into a glow plug replacement, I'd suggest you check the resistance on each plug with an ohm meter. Good plugs will read about 0.7 ohms. There have been cases of that code coming up and the problem was the glow plug relay and not the plugs.

If you do the glow plugs remember - hot engine, hot engine, hot engine.

ESchwab 08-12-2017 10:09 AM

I've changed glow plugs on my '98 e300 twice. You probably already have this, but in case you don't, these are the most helpful instructions I found:

PeachPartsWiki: LightMan's Step by Step Glowplug change

Len Sokoloff recommends a medium length Snap On 12mm socket; its number is Snap-on 12 fsm12. I bought one for the second time I changed them. It works better than other sockets I've used and costs $22 or $23 on line.

Jakub902 08-12-2017 11:15 AM

Quote:

Originally Posted by sokoloff (Post 3737389)
Before I'd jump into a glow plug replacement, I'd suggest you check the resistance on each plug with an ohm meter. Good plugs will read about 0.7 ohms. There have been cases of that code coming up and the problem was the glow plug relay and not the plugs.

If you do the glow plugs remember - hot engine, hot engine, hot engine.

I did test them and #1 gp is bad. Thanks for the advice and reminder of the hot engine. :)

Jakub902 08-12-2017 11:20 AM

Quote:

Originally Posted by ESchwab (Post 3737391)
I've changed glow plugs on my '98 e300 twice. You probably already have this, but in case you don't, these are the most helpful instructions I found:

PeachPartsWiki: LightMan's Step by Step Glowplug change

Len Sokoloff recommends a medium length Snap On 12mm socket; its number is Snap-on 12 fsm12. I bought one for the second time I changed them. It works better than other sockets I've used and costs $22 or $23 on line.

Thanks for the feedback. That is a great write up.


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