Thread: Restricted Performance Event

Originally Posted by LRD414

Have you queried them regarding a simple clean as per the linked thread? Lot less hassle. Have all hoses been checked/changed? Again, a lot less hassle before going straight to turbo replacement. Even if covered by extended warranty I would still not like to have unnecessary work done.

Scott

I checked with them, they had the car for the day following the solenoid replacement and they told me that they went over everything in the car and checked all hoses etc. No issues there (apparently) - Note that this was done at no cost to me and they were actually a bit embarrassed that the code came up again. Can't fault their level of service. I even asked if it could be injector / fuel pump / filter related, or even transmission.

I agree with not having to do uneccessary work, and I (would like to) believe that the main focus of the dealer is to keep a happy customer for the long run rather than replace parts / do work that are is required. I've been servicing my D4 there for 3 years of D4 ownership. Maybe a bit naiive, but I trust that the dealer would not want to "S#%t in their own nest" so to speak. Changing a turbo "just for fun" also does not seem likely.

The other reason is that we are planning a trip for Christmas, and i need the car to be right, dont want to be stuck out bush trying to free a sticky actuator, replacing hoses or worse, having to get towed ~700km home.

Cheers,

Eric

Eric, what year model?

Originally Posted by Graeme

Eric, what year model?

Eric has MY11 3.0 from comments on another thread

IIRC the isolation valve with redesigned linkage was introduced for MY12 but could have already been replaced.

Sorry, but I'm not fully up to speed with which particlular turbo model / p/n is fitted to my MY11 D4 3.0 SDV6 SE.

When I get the specs for the replacement I will post them here.

OK, firstly HNY to all, hope you had a safe and enjoyable break.

Finally got the D4 back after several more "restricted performance" error codes. I'm led to believe by LR that all the reported error codes were related to Boost pressure and air flow. Apart from replacing the Secondary turbo, LR also replaced the lower intercooler hose, and later the air control valve, as this was found to be sticking and working intermittently, all replaced under warranty.

Car is now running fine. Upon checking out the car back at LR last Tuesday, all codes related to air flow, and following a complete system air pressure check (no issues reported) now appears to be A-OK. Has not faulted again, maintains speed under normal throttle and cruise control speed and fuel economy is back to normal.

The turbo that came off the car is a Garrett GT17V AX20-6K682-CA. The link rod is a one piece stainless rod with clevis's at both ends, not adjustable like the one in Scott's photo. The clevis ends appear to be removable from the pins on the turbo actuator armatures via circlip springs.

I have not been able to move the actuator by hand. I have not had the time to check out the new one as fitted, however I understand that the new turbo now has the redesigned linkage. in any case, the secondary actuates smoothly.

Will be keeping a close eye on how she runs over the next few weeks, next service due in March.

Cheers

Eric

Thanks Eric,

Mine is coming up with the same fault, it happens when the vehicle is on cruise control, light throttle. I might have a look at the air control valve when my mechanic gets back.

It does give me the ****s big time, maybe time for a good inlet clean one weekend.

Originally Posted by Owen

Thanks Eric,

Mine is coming up with the same fault, it happens when the vehicle is on cruise control, light throttle. I might have a look at the air control valve when my mechanic gets back.

It does give me the sh1ts big time, maybe time for a good inlet clean one weekend.

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