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Old 03-12-2014, 05:06 PM   #1
lindenengineering
 
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Default Urgent Check Required

This applies to all 906/NCV3 Sprinters.
Check the flanged rubber seal at the turbo inlet. I am seeing the flanged edge parting company with body of the sleeve doing damage to the turbo impellor.
The fragments are being ingested into the turbo causing loss of boost and impellor damage.

The first sign is a limp mode and CEL.
The code is P150200 turbo boost drift.

I have one today that has chewed up the impellor rendering it scrap. I bet bits have gone "walkies" throught the whole intake/charge cooler, its a rip out & check!
Turbo is $2162 reason enough to check!

Part number of a new compensating ring A 000 094 00 51--get one just in case.
Dennis

Last edited by hkpierce; 03-12-2014 at 05:13 PM.
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Old 03-12-2014, 05:14 PM   #2
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Default Re: Urgent Check Required

By "906" you mean post 2007 NCV3 Sprinters?

Do the later models have the up graded compensating ring?
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Old 03-12-2014, 05:29 PM   #3
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Default Re: Urgent Check Required

Yes
All V6 models 2007 to present
Dennis
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Old 03-12-2014, 05:40 PM   #4
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Default Re: Urgent Check Required

You mean this?

My experience:

http://sprinter-source.com/forum/sho...7&postcount=22

The thread

http://sprinter-source.com/forum/showthread.php?t=12669

Owners won't find it if they don't take the air cleaner off.... like if they don't do their own air and fuel filter changes.

-Jon
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Old 03-12-2014, 06:58 PM   #5
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Default Re: Urgent Check Required

Jon
Yes except this time its the flange that lets go, not tearing of the sleeve section.

The later sleeve is made of neoprene (BUNA) not silicon rubber but seems to go hard and tear.
Again reason to check for a problem before it gets expensive.
Cheers Dennis
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Old 03-12-2014, 10:33 PM   #6
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Default Re: Urgent Check Required

if chunks get ingested into the impeller and passed through the exducer, might they land in the hoses/intercooler necessitating removal of the IC for cleaning or possibly inspection and cleaning?
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Old 03-13-2014, 01:21 AM   #7
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Default Re: Urgent Check Required

Is this something I can check for without voiding the warranty? (my van is due mid-to-late April). How far into its life mileage-wise does this start to happen? Am I correct in assuming that MB is either not aware of or not concerned about this problem?
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Old 03-13-2014, 04:20 AM   #8
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Default Re: Urgent Check Required

I don't think they are concerned.
I have this 2011 "906 2500" with 58K on the clock and a failed turbo.
According to the dealer the warranty ran out at 36K so an expensive failure.

Ostensibly the inlet snake pipe duct running from the MAF sensor to the turbo inlet can be easily slipped loose in service and during an air filter replacement. Care needs to be taken when installing or disturbing the inlet tube

To be honest the arrangement with this stepper rubber bush is very amateur. I do this when building a prototype like a 300 TD into a Series Landrover then make a alum sleeve with O rings. As I said to the lady MB service writer (local dealer ) I called today If I didn't know better this is very Mopar!

Certainly in my former life as a zone rep this would have been subject for an Advance Servicing Bulletin & Problem Report for issuance at the next factory engineering meeting. But I don't think anyone does this anymore in the industry unless a class action law suit is about to take place.
Dennis
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Old 03-13-2014, 11:37 AM   #9
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Default Re: Urgent Check Required

This reinforces my decision to buy the MB extended warranty. I plan to make an appointment with my dealer's Sprinter service man and bring this up with him, and again when I come in for its first service. Would I void the warranty if I check for this myself?
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Old 03-13-2014, 01:46 PM   #10
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Default Re: Urgent Check Required

Maybe it's time for a reporting to NTSB. This directly affects drivability and may leave a drives stranded or in a dangerous situation, or not.
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