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C6 2.7 HDI turbo leak |
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Mike H |
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Joined: Feb 16 2010
Member No: #53
Location: Melbourne |
The front turbo leak brought fumes into the cabin ,intermittent at first more after warmup. And soot in the engine bay. The rear turbo leak was audible. cheers |
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gmerry |
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Joined: Dec 11 2009
Member No: #21
Location: Scotland |
Mike, judging by the contents of this forum, turbo leagake is not a common problem at all... in fact I think you are the unique case! regards G |
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C6Dave |
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Member No: #1
Location: Northumberland |
Off topic posts moved to: - Click Here - Let's keep things 'tidy' guys. |
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travlician |
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Joined: Jan 22 2011
Member No: #350
Location: Paradera |
Just found out I've got a rear turbo problem too. Lexia gives P243 which indicates a problem with the rear turbo electrovalve (and some subsequent errors regarding airflow). Actuator test clearly give no sounds from the rear and healthy sound from the front turbo. The questions: - Is there a guide how to remove/replace the rear turbo? (I could not find it in downloads) - Any idea of it's possible to replace the electrovalve without taking out the turbo? - Part numbers (The document C6 - 2.7 HDi TURBO CHARGER parts.pdf refers the the 2.2 engine, NOT the 2.7 HDi!) Found it's OEM # 0375K3, Garrett 723341 but no separate electrovalve Any ideas welcome! |
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C6Dave |
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Member No: #1
Location: Northumberland |
Download replaced and new ones added that were missing |
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jesus1973 |
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Joined: Oct 05 2012
Member No: #1051
Location: Estella |
Hi, after some occasional limp mode and loss of cruise control I got the polution warning and the same 243 code implying the rear turbo actuator. So my mechanic has the intention of changing or repairing the actuator, and he will try to do it without removing the whole turbo. I've been reading in the forum about users who changed the whole Garrett turbo, and there is one who was able to fix the problem by soldering one desoldered connection. If I have fully understood the manuals included here it seems that the only procedure is by taking the whole turbo out. Is there anyone who has a simpler solution or has undergone the procedure with less steps? Thanks a lot. |
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MGmike |
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Joined: May 21 2017
Member No: #3151
Location: South Queensferry |
jesus1973 wrote ... I've been reading in the forum about users who changed the whole Garrett turbo, and there is one who was able to fix the problem by soldering one desoldered connection. If I have fully understood the manuals included here it seems that the only procedure is by taking the whole turbo out. Is there anyone who has a simpler solution or has undergone the procedure with less steps? Thanks a lot. The actuator can be removed without removing the whole turbo but it's not easy! Disconnect the exhaust flexi pipes and you can get a hand up to the actuator. The metal clips holding it to the turbo are just levered off with a screw driver but some of them are a right bug**r to get at. Enjoy.... |
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jesus1973 |
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Joined: Oct 05 2012
Member No: #1051
Location: Estella |
Thank you. You are such great guys. | ||
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jesus1973 |
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Joined: Oct 05 2012
Member No: #1051
Location: Estella |
Well, no luck, my mechanic got it out and i had it repaired. Once reinstalled today it just went tac-tac-tac and the car could hardly move. Another C6 died last week near here and they offered to trade parts before taking It. I Will try that actuator in case the fix wasnt right, anyhow if you feel there is sth we are missing, please let me know. Thank you. | ||
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jesus1973 |
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Joined: Oct 05 2012
Member No: #1051
Location: Estella |
Update. It wasnt properly repaired. We changed It with the other car and now working fine. |
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Paulius |
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Joined: Aug 14 2014
Member No: #1821
Location: Vilnius |
I ended up replacing both electrovalves. The rear one went first, two years later - the front one gave in. At first, it would occasionally go into limp mode when warm until it wouldn't get out of that mode at all. I bought both of the actuators used and replaced them both without removing the turbos themselves. You can have second hand actuator health assessed in turbo repair shops |
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