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Old 03-11-2017
JeepHawk  JeepHawk is offline
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Thank you for your help ill keep you posted

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I finally got round to working through the fault finding in the manual. In test when checking the the wastegate circuit to ground i dont get any reading on the multimeter. But when I check the circuit to the ECM it is under 5 ohms. From what I can tell there is no problem with the wiring I did however notice a leak between the DPF and the metal exhaust gasket which I had previously tried to seal with Holts fire gum as the gasket that I had bought from a mercedes agent was a little smaller than the one I was replacing. I have since cleaned all of the fire gum off but the leak is worse. Does anyone know how far from the edge must the gasket sit in order to create a good seal?

I have spoken to a turbo specialist and he recommended that I remove the DPF. Has anyone done this before? Would this cause any problems with the engine as I know that it requires some back pressure?


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  #9  
Old 03-11-2017
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Globetrotter  Globetrotter is offline
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Quote:
Originally Posted by JeepHawk View Post
I finally got round to working through the fault finding in the manual. In test when checking the the wastegate circuit to ground i dont get any reading on the multimeter. But when I check the circuit to the ECM it is under 5 ohms. From what I can tell there is no problem with the wiring I did however notice a leak between the DPF and the metal exhaust gasket which I had previously tried to seal with Holts fire gum as the gasket that I had bought from a mercedes agent was a little smaller than the one I was replacing. I have since cleaned all of the fire gum off but the leak is worse. Does anyone know how far from the edge must the gasket sit in order to create a good seal?

I have spoken to a turbo specialist and he recommended that I remove the DPF. Has anyone done this before? Would this cause any problems with the engine as I know that it requires some back pressure?


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In UK the 2.7 doesn't have a DPF is it different in Australia?
  #10  
Old 03-11-2017
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bodgie  bodgie is offline
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It has a catalytic converter on the back of the turbo only, no dpf.

Jason
  #11  
Old 03-11-2017
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It has a catalytic converter on the back of the turbo only, no dpf.

Jason
That's what I thought. So much for specialist advice
  #12  
Old 09-11-2017
JeepHawk  JeepHawk is offline
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Im in South Africa. While doing research into all the issues I have experienced I came across a few references that called it a DPF and not a CAT, but I could be wrong. Would a blocked CAT cause the issues with the wastegate?

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  #13  
Old 10-11-2017
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@Jeephawk, you should delete the DPF asap.
(its a Deposit Particle Filter, and not a Catalytic Converter).
Tends to clog and create several issues.
Another thing is that it keeps the exhaust temps very high.
Deleting it, turbo, exhaust valves etc, are much more happier and cooler.
  #14  
Old 10-11-2017
Tpap  Tpap is offline
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Take a look here:

http://www.ausjeepoffroad.com/forum/...ight=tpap+inox
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