Turbo Remove and Rebuild
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Joined: Jun 2014
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2005 E320 CDI
Turbo Remove and Rebuild
First let me thank all those that contribute to the Forum. Because of you contribution you have helped me troubleshoot my P0299 error.
So far the EGR valve has been cleaned and all the connections from the air intake to the intake manifold have been checked. I replaced the seals between the intercooler and the mixer (just before the intake manifold). The problem still exists.
It seems the next most likely causes are either soot/carbon buildup in the intake manifold or the turbo vanes are getting stuck.
I have taken out the air box and considering removing the turbo to have it rebuilt. I'm fortunate that there is a turbo rebuilder in the Sacramento area.
The problem is that there are 2 connections from the engine the are clearly carrying a liquid (either oil or coolant). Is this an oil connection that has a intake and output back to the block? The bolt on the side/bottom seems impossible to get to while the turbo is mounted. The line to the engine has a rubber mount. Is it possible that the line can be pulled from the engine block? (there is no bolt or nut on the engine).
I need to either put everything back together and use my OBD monitor to watch the boost or get the turbo out to inspect the vanes.
While the turbo is not a serviceable component by Mercedes standards, it can be rebuilt on the bench.
Any advise or directions to remove the turbo would be appreciated.
So far the EGR valve has been cleaned and all the connections from the air intake to the intake manifold have been checked. I replaced the seals between the intercooler and the mixer (just before the intake manifold). The problem still exists.
It seems the next most likely causes are either soot/carbon buildup in the intake manifold or the turbo vanes are getting stuck.
I have taken out the air box and considering removing the turbo to have it rebuilt. I'm fortunate that there is a turbo rebuilder in the Sacramento area.
The problem is that there are 2 connections from the engine the are clearly carrying a liquid (either oil or coolant). Is this an oil connection that has a intake and output back to the block? The bolt on the side/bottom seems impossible to get to while the turbo is mounted. The line to the engine has a rubber mount. Is it possible that the line can be pulled from the engine block? (there is no bolt or nut on the engine).
I need to either put everything back together and use my OBD monitor to watch the boost or get the turbo out to inspect the vanes.
While the turbo is not a serviceable component by Mercedes standards, it can be rebuilt on the bench.
Any advise or directions to remove the turbo would be appreciated.
