Engine - Turbocharger Oil Line Leaks
2/07Turbocharger Oil Leak
Note:
This technical Information replaces the TI dated 1-16-2007, Changes/additions compared to the previous Technical Information:
> Sections "Warning" "Working Time" and "References": text "Removing and Installing engine" removed, working time added.
Vehicle type:
911 Turbo (997)
Model Year:
2007
Concerns:
Oil lines leading to the turbochargers (pressure lines).
Situation:
- Leak at the pipe connection for the turbocharger.
- "Oily" turbocharger.
As of engine no. M97/70 627 03914, the connection piece for the connection to the turbocharger has been modified at the oil pressure lines leading to the turbochargers (=> Figure 1, adapter is now longer, O-rings are coated).
If a complaint is received in relation to an "oily" turbocharger on an engine up to engine no. M97/70 627 03913, this is caused by a defective O-ring on the oil pressure line adapter.
Action Required:
The following applies in the event of a complaint:
- Do not replace the oily turbocharger.
- Remove the oil residue using a suitable cleaning agent (e.g. "Meta Clean 366", "solvent naphtha" or similar products) and dry it off with a cloth.
- Remove the oil pressure line for the turbocharger. =>
- Workshop Manual 21711950 Removing and installing oil pressure line for turbocharger.
ATTENTION:
When installing new oil pressure line: There is the possibility of new leaks at the pipe connection on the turbocharger side due to damaged 0-rings if......
^ ... you touch the 0-rings with your hands/fingers and/or clean them with a cloth,
^ ... a lubricating compound is used (=> Figure 2).
=> Install new oil pressure line, => Workshop Manual 21711950 Removing and Installing oil pressure line for turbocharger.
- Do not remove the protective caps on the new line until just before you install the line (on the turbocharger or crankcase).
=> Do not touch or clean the 0-rings on the adapter.
> Do NOT use lubricating compound during installation.
Date of Introduction:
October 9, 2006, as of engine no. M97/70 627 03914
Parts Information
Working Time
References: => Workshop Manual 21711950 Removing and Installing oil pressure line for turbocharger.
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