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07-16-2015, 11:27 AM | #375 | |
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07-16-2015, 11:30 AM | #376 |
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I didn't have any problems. Mine weren't on super tight.
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07-16-2015, 11:58 AM | #377 |
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07-16-2015, 01:07 PM | #378 |
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07-16-2015, 01:32 PM | #379 |
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Ugh well of course things came up last weekend so I couldn't get to it until yesterday...spent the night taking everything apart only to find the bolts are super tight getting the actuator off...I used a T25 bit but I'm going to buy a T30 and try it because I think it was starting to strip
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07-16-2015, 05:00 PM | #381 |
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Damn this is frustrating. Codes prior to replacement of bank 2 were.
Engine / Motor Fault: Throttle valve actuator CAN message Code: CDBF Fault: check at lower top Code: 2B57 Fault: CAN bus off throttle Code: CD93 Fault: Control module self-test ROM Code: 277B Fault: Throttle valve actuator control monitor Code: 2B16 Fault: Throttle Monitor Bank 2 Code: 2B26 Now periodically getting after multiple clears. Fault: Throttle valve actuator CAN message Code: CDBF Fault: check at lower top Code: 2B57 Fault: CAN bus off throttle Code: CD93 |
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07-16-2015, 05:23 PM | #382 |
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07-16-2015, 06:03 PM | #383 |
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Never mind got it...getting the old one out is the biggest PITA but "new" one is in now reassembling
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07-16-2015, 08:59 PM | #385 |
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I got it all back together and took it for a test drive. Had the same "increased emissions" warning on startup test drive was regular. Checked to see if that nasty downshift rev noise was there and of course it was...downshift, rev match, harsh noise and straight to limp mode. I guess I'll scan it tomorrow and see what codes come up
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07-17-2015, 08:06 AM | #387 |
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07-18-2015, 11:00 PM | #388 |
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Took some screen shots of the fault codes I got after another limp mode episode. The drivers side actuator was replaced
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07-19-2015, 12:28 AM | #389 | |
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07-19-2015, 09:36 AM | #390 |
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Do you think I should bother? It's still having the same problems. Maybe avoid opening it all up again to tighten connections only to find out something else needs replacing
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07-19-2015, 01:12 PM | #391 | |
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Sorry can't comment on your "torque" fault codes. |
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07-19-2015, 01:58 PM | #392 | |
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07-23-2015, 04:58 PM | #393 |
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07-23-2015, 05:21 PM | #394 | |
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07-31-2015, 03:04 PM | #395 |
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W///, thanks again, just swapped bank 2 in 2.5 hours, start to finish. Never done any work under the hood of this car except oil changes. Would not have tackled replacement without this DIY. Like others have said, my knuckles and back hurt, but my wallet is happy! Now to start a bet around the shop when bank 1 takes a dive...
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08-08-2015, 08:33 PM | #396 |
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So, is the consensus replacing the gears in the throttle actuators actually solves the problem of 'limp mode'? It's the gears and not the electronics? Does anyone have any experience yet with the rebuild of the actuators? Our M3 is starting to show signs of this problem and $800 just for parts is a little hard to take. Any and all comments welcomed.
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