Tranfer case - Page 2 - Porsche Macan Forum
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post #11 of 107 (permalink) Old 12-19-2015, 12:24 AM
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Not being aware of this thread, I started another one today ("drive train issues") regarding the same problems with my Macan S. Purchased early Sept 2014, 21000 miles, PTV. Never tracked, and no problems to date. I took my car to the dealer earlier this week, but the symptoms didn't show up, either during my 20 mile drive to the dealer, or while the dealer had it. They did install a software update for the drive train. But since they couldn't feel the symptoms, and there were no fault codes, they gave it back to me. After driving about 10 miles towards home, I noticed there were some symptoms showing up again (slow turning into parking spaces, accelerating through first few gears, etc.). So based on the info in this thread, it sounds like the transfer case is the likely culprit. I will share this thread with my service advisor, and take the car back on a day it seems to be showing the symptoms consistently.
Many thanks to @SoCalS5 for bringing this thread to my attention.

2015 Macan S - Silver on agate, gloss black trim, leather package, PASM, PTV, Premium, 18-ways, Infotainment, Bose, 19" Macan Design, comfort lighting, compass
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post #12 of 107 (permalink) Old 12-19-2015, 06:52 AM
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I'm guessing this is the service bulletin several have mentioned related to this issue.

Service Bulletin No.: TIS-98-14

Component(s): ELECTRICAL SYSTEM , EQUIPMENT ADAPTIVE

NHTSA ID Number: 10057614

Manufacturer: Porsche Cars North America, Inc.

SUMMARY:
PORSCHE: DATA RECORDS FAIL TO COMPLY TO CURRENT STANDARDS REGARDING TRANSFER GEARS WITH CONTROL UNIT AT TIME OF DELIVERY AND WOULD NEED ALL WHEEL DRIVE CONTROL UNIT REPROGRAMMED. MODEL 2014-15 MACAN S, DIESEL, TURBO. *PE
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post #13 of 107 (permalink) Old 12-19-2015, 08:26 AM
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^ this is the latest software update. But for some, it is more than a software update fix.

I experienced a bit of shuddering too in the last couple of months and I also had the software updated too just this month with no avail. I am not sure if my issue is related to transfer case with the described symptoms but for me, my shuddering occurs when at eco mode (much more noticeable) at around 1000 rpm (shifting gears from higher to lower when coming to a low speed stop). It is annoying and my SA and I went for a test drive yesterday and he also noticed this slight vibration/shuddering too and he will have to ask to tech and service manager next week to see what their takes are.
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post #14 of 107 (permalink) Old 12-19-2015, 08:35 AM
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When I first called my service advisor and described my issue, he said he had not heard of any issues with Macans having this problem, but said that some new model Cayennes had experienced problems with transfer cases. It is interesting that there are now a number of us who have experienced this issue in the past couple of months. Apparently the replacement of the transfer case is not terribly complicated. Never the less, I'm glad it is covered by warranty! For example, when I took mine in this week for them to check it out (and symptoms didn't show up) they installed the recalled secondary fuel line and updated the drive train software. The amount charged to PCNA for warranty repairs was over $600.

2015 Macan S - Silver on agate, gloss black trim, leather package, PASM, PTV, Premium, 18-ways, Infotainment, Bose, 19" Macan Design, comfort lighting, compass
1996 993 C4S - Polar silver
Gone but not forgotten: '06 911 C2S cab;
07 911 Targa4S; 05 911 C2S cab; 05 C55 AMG; 01 CLK55 AMG; 70 MBZ 300SEL 6.3; 78 BMW 633 CSI
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post #15 of 107 (permalink) Old 01-01-2016, 03:41 PM
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My symptoms returned consistently enough that on Dec 29 I took my car to the dealer and a senior technician took a ride with me. He definitely noticed the shuddering and clunking in the drive train when turning sharp at low speeds and when accelerating from a stop, and he made a couple of video clips that he said he would send to Porsche, which they need to do for warranty issues like this. No word yet, but I'll provide an update when they get back to me, hopefully early next week.

2015 Macan S - Silver on agate, gloss black trim, leather package, PASM, PTV, Premium, 18-ways, Infotainment, Bose, 19" Macan Design, comfort lighting, compass
1996 993 C4S - Polar silver
Gone but not forgotten: '06 911 C2S cab;
07 911 Targa4S; 05 911 C2S cab; 05 C55 AMG; 01 CLK55 AMG; 70 MBZ 300SEL 6.3; 78 BMW 633 CSI
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post #16 of 107 (permalink) Old 01-01-2016, 05:23 PM
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Thanks for keeping us updated, Ken. Hope they can resolve it satisfactorily for you.
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post #17 of 107 (permalink) Old 01-04-2016, 11:44 PM
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Quote:
Originally Posted by keninblaine View Post
My symptoms returned consistently enough that on Dec 29 I took my car to the dealer and a senior technician took a ride with me. He definitely noticed the shuddering and clunking in the drive train when turning sharp at low speeds and when accelerating from a stop, and he made a couple of video clips that he said he would send to Porsche, which they need to do for warranty issues like this. No word yet, but I'll provide an update when they get back to me, hopefully early next week.
Which dealer? I have the same issue, time to make an appointment.

Tomasz

2015 Macan S | Dark Blue on Agate Gray | 20" Macan SportDesign Wheels | Roof Rails in Aluminum | Beltronics Pro 500 | Blinder HP-905 (in box, waiting for a warm weekend |
2014 Cayman S | Agate Gray on Black | 20" Carrera S in Palladium | X73 | Segmented Valentine One |
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post #18 of 107 (permalink) Old 01-04-2016, 11:49 PM
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Originally Posted by 1MORLAP View Post
Which dealer? I have the same issue, time to make an appointment.

Tomasz
My dealer is Bellingham Porsche. I called them this morning to find out status. They had not yet heard from the technical folks in Atlanta since last week was not very productive due to the holidays. I hope to hear something tomorrow.

2015 Macan S - Silver on agate, gloss black trim, leather package, PASM, PTV, Premium, 18-ways, Infotainment, Bose, 19" Macan Design, comfort lighting, compass
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07 911 Targa4S; 05 911 C2S cab; 05 C55 AMG; 01 CLK55 AMG; 70 MBZ 300SEL 6.3; 78 BMW 633 CSI
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post #19 of 107 (permalink) Old 01-23-2016, 08:27 PM
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So I took my car to the dealer (at their request) on January 13 so they could perform some more tests in conjunction with PCNA technical folks. A week later (Jan 20), after taking many recordings using chassis ears and sending them to PCNA, the dealer finally got the OK on Wed to proceed with replacing the transfer case. It arrived Fri and they installed it, but need a special clamp to finish the job on Monday when I should get it back. So this is the fourth Macan on this thread that has needed the transfer case replaced. I have PTV, but I don't think it is associated with the transfer case. The symptoms of shuddering in the drive train showed up best when performing a series of slow sharp turns in a parking lot. After they'd show up, then the thumping under straight line acceleration would also show up.

It amazed me that PCNA required so many time consuming tests to identify the cause when at least 3 cars on this thread had exactly the same symptoms and ended up, again after much testing, having their transfer cases replaced to solve the problem. I told my SA to tell PCNA to talk to Suncoast and Pacific Porsche where 2 of the cars had been involved. You'd think that the benefit of having a centralized technical support team would be to avoid each dealer having to conduct the same time consuming tests to solve a problem already identified elsewhere. I was bothered more by the principle than by any inconvenience to me. After all, they gave me a 2016 991 Black Edition C4 cab as a loaner, which I've really enjoyed driving.
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2015 Macan S - Silver on agate, gloss black trim, leather package, PASM, PTV, Premium, 18-ways, Infotainment, Bose, 19" Macan Design, comfort lighting, compass
1996 993 C4S - Polar silver
Gone but not forgotten: '06 911 C2S cab;
07 911 Targa4S; 05 911 C2S cab; 05 C55 AMG; 01 CLK55 AMG; 70 MBZ 300SEL 6.3; 78 BMW 633 CSI
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post #20 of 107 (permalink) Old 02-01-2016, 09:19 AM
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This thread and the other, is freaking me out! I've ordered my 17 GTS and I hope all goes well!! I'm starting to think the expensive extended warranty might be a good idea since I plan on keeping 10 years or so. Lots to break! $$$

2017 Macan GTS in my garage since 4/20/16 -
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