Memory serves well. Ream the ports and get it really clean, Then insert new plugs. If the plugs are not all the way in, they will not heat the pre chamber enough and combustion will increase the carbon build up. this will further cement the plugs in, burning up those front plugs even faster.

On Friday, May 12, 2006, at 10:03 AM, ned kleinhenz wrote:

When I recently removed the intake manifold off my '95 E300D (124 with a 606
engine) , I changed the glow plugs.
The front 3 plugs required hours of coaxing finessing and arm strength to
get them out.  And the new ones went in with similar difficulty.
The new ones wrenched to specified torque with lots of thread still showing. The back 3 plugs came out with ease. And the new ones threaded all the way
in by hand, then tightened normally with the torque wrench.

Seems like I've read about the injector ports filling with carbon and
causing these kinds of problem...  Is my memory correct?  What is the
correct way to fix this problem?

Ned Kleinhenz
'95 E300D x2
'85 300D
'80 300TD
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--
Clay
Seattle Bioburner

1972 220D - Gump
1995 E300D - Cleo
1987 300SDL - POS - DOA
The FSM would drive a Diesel Benz


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