Help - 535d big turbo gone?
12-16-2009, 10:12 AM
#11
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From what you are describing your car is going in to limp mode (safe mode) as you said, the smell of diesel under the hood will most likely be related. incidentally a leaking inlet manifold will not cause the diesel smell no fuel goes through the intake manifold. You may have an injector leaking or something wrong in the fueling system. I would advise you to see a specialist asap rather than guessing and continuing to drive the car. The common rail diesel engines run with an extremely high fuel pressure.
Just wanted to add, I dont mean to sound alarmist but I personally dont take any chances with fuel.
Just wanted to add, I dont mean to sound alarmist but I personally dont take any chances with fuel.
12-16-2009, 11:36 AM
#12
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I think the diesel smell is actually the big square gaskets that connect the intake manifold to the engine. I know the intake manifold should be full of air not diesel but I've seen a few E60 diesels with oily (diesely) engines below the swirl flaps. I think the swirl flap spindles or the manifold gaskets seep a little under full boost and strangely, somehow, diesel seeps out. Perhaps some kind of blow back?
I have got the car booked in to get the codes read but my current thinking is:
a) Intake manifold leak under full boost, detected by the engine management
b) Vacuum leak when a particular actuator is operated, detected by engine management
I have got the car booked in to get the codes read but my current thinking is:
a) Intake manifold leak under full boost, detected by the engine management
b) Vacuum leak when a particular actuator is operated, detected by engine management
12-17-2009, 08:04 AM
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I guess you may be right but the oil that is in the intake is from the crankcase ventilation valve, I had a leak on my inlet manifold and it didnt cause the car to go in to limp mode.
I fitted a tuning box to a Volvo S60 D5 i used to own, it was great at first but then the car started going in to limp home mode. I have a code reader and the fault code was fuel leak small, i reset the code and removed the box and the car was fine. I never used the box again after that, beware of these things they are substitute for a remap. In your case I thought the iDrive would tell you that the engine was running on reduced power or something, i have seen other guys mention this.
Good luck getting it sorted and please share what it turns out to be.
I fitted a tuning box to a Volvo S60 D5 i used to own, it was great at first but then the car started going in to limp home mode. I have a code reader and the fault code was fuel leak small, i reset the code and removed the box and the car was fine. I never used the box again after that, beware of these things they are substitute for a remap. In your case I thought the iDrive would tell you that the engine was running on reduced power or something, i have seen other guys mention this.
Good luck getting it sorted and please share what it turns out to be.
12-18-2009, 03:53 AM
#15
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Got the codes read:
4242 Glow Plug Cylinder 4
4262 Glow Plug Cylinder 6
428B Boost Control, different charge pressure, too high
Don't think the glow plug codes are relevant (and the car starts fine).
Looks like the vacuum hoses for the turbo actuators are still the prime supect.
4242 Glow Plug Cylinder 4
4262 Glow Plug Cylinder 6
428B Boost Control, different charge pressure, too high
Don't think the glow plug codes are relevant (and the car starts fine).
Looks like the vacuum hoses for the turbo actuators are still the prime supect.
12-20-2009, 01:59 PM
#16
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My Ride: 2005 535d, M Sport,Carbon Black, DMS remap, 166 Gloss Black alloys with 12mm H&R spacers rear.
Originally Posted by JasonH' post='1074543' date='Dec 16 2009, 12:18 PM
Interesting - thanks.
I've had a good look at all the technical data and there are a lot of vacuum pipes controlling the various turbo flaps. Most of them look a bit perished. Trouble is that most of them are hard to look at.
Any idea how much the diagnosis, part and repair cost?
I've had a good look at all the technical data and there are a lot of vacuum pipes controlling the various turbo flaps. Most of them look a bit perished. Trouble is that most of them are hard to look at.
Any idea how much the diagnosis, part and repair cost?
would be interested in what you discover the problem to be..
Stu,
12-21-2009, 10:42 AM
#18
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Originally Posted by paulmc' post='1077502' date='Dec 21 2009, 11:21 AM
see if this helps. Big turbo starts @3200rpm. It shows you the set up really well
I'm going to replace the hoses tomorrow.
12-21-2009, 07:30 PM
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Originally Posted by JasonH' post='1077710' date='Dec 21 2009, 03:42 PM
Interesting - thanks.
I'm going to replace the hoses tomorrow.
I'm going to replace the hoses tomorrow.
12-22-2009, 08:06 AM
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My Ride: 535d Sport Carbon Black, Black Dakota leather, Media Package, Bluetooth, Bi-xenon headlamps, adaptive headlamps, auto dimming interior mirror, heated folding door mirrors, electric front seats with drivers memory, heated front seats, extended light package, sun protection glass, electrically adjustable steering column, automatic air conditioning.
Originally Posted by JasonH' post='1077710' date='Dec 21 2009, 07:42 PM
Interesting - thanks.
I'm going to replace the hoses tomorrow.
I'm going to replace the hoses tomorrow.