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eliasschroeder1

RSQ3 Motor Mount Issues: Signs and Solutions

Looking for advice on potential motor mount failure on my 2019 RSQ3. The car has developed rough idling and stored an error code. Based on the symptoms, I suspect a defective engine mount or transmission mount might be the issue. Has anyone experienced similar problems and had them fixed? Particularly interested in workshop experiences, repair costs, and whether you needed to replace the entire mounting bracket or just individual components. Also wondering if there were any warning signs before the mount failure that I should be aware of for future reference.

Summary of the thread

The conversation centers around potential motor mount issues in a 2019 RSQ3, with symptoms including rough idling and an error code P0017. The initial suspicion is a defective engine or transmission mount, but advice suggests checking electrical connections first, as similar symptoms were resolved by fixing a faulty cable connection. The error code P0017, however, typically indicates a camshaft timing problem, which could also contribute to the vibrations, especially during cold starts. A full diagnostic is recommended to assess both the timing components and the condition of the engine mounts, with an understanding that some mount wear is normal at the vehicle's mileage.

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4 comment(s)

melissacrystal1

Having dealt with similar mount wear issues on my 2017 RS3, I can share my experience. As someone with moderate repair knowledge, I noticed comparable symptoms including rough idling. The issue turned out to be a faulty cable connection at the transmission mount sensor. The rubber mount itself was fine, but the electrical component was causing error codes and vibration issues. The repair was straightforward, my workshop identified and fixed the defective engine wiring connection in about an hour, costing 95 Euro for the complete fix. From my experience, its worth checking the electrical connections before assuming a full mount replacement is needed. The warning signs started with slight vibrations at idle, which progressively got worse over a few weeks. To provide more specific advice about your situation, could you share: Current mileage on your RSQ3, Exact error code stored, When the symptoms first appeared, Whether the vibration changes with engine temperature This information would help determine if your issue matches what I encountered or if you might be dealing with actual mount failure.

eliasschroeder1 (community.author)

Thanks for sharing your experience. My RSQ3 has 139639 KM since last service. The vibration started getting noticeable about two weeks ago and definitely gets worse when the engine is cold. The stored error code is P0017. You make a good point about checking the electrical connections first. The transmission mount area does seem to have some visible wear, but I will have my workshop check the wiring before committing to any major parts replacement. Particularly since motor mount failure would be unusual at this mileage with regular maintenance. It is encouraging to hear your repair was relatively straightforward and cost-effective. Will update once I get a proper diagnosis.

melissacrystal1

Thanks for providing those additional details. After seeing your mileage and the P0017 code, I suspect your situation might be different from what I encountered with my RS3. While my issue was purely electrical, the error code P0017 typically points to a camshaft timing problem rather than mount-related issues. However, the cold-start vibration issues could still indicate mount wear, as compromised engine mounts often show more pronounced symptoms during cold operation. Given your mileage, some degree of mount deterioration would be normal, but its worth investigating both: 1. The timing issue indicated by P0017 2. The condition of your engine mounts In my case, after fixing the initial wiring issue, I did end up replacing the transmission mount a year later due to natural wear. That was a bigger job, costing around 450 Euro for parts and labor. The vibration pattern was similar to what youre describing, worse during cold starts. Since youre dealing with both an error code and vibration issues, Id recommend having your workshop perform a complete diagnostic. They should check the timing components first, as addressing the P0017 might resolve some of the vibration problems youre experiencing.

eliasschroeder1 (community.author)

Thanks for that detailed response. Based on both the P0017 code and your experience, I will get a full diagnostic done to check both issues. The symptoms of my car do seem more complex than your initial electrical problem, especially with the cold start vibrations. The workshop confirmed they will inspect the timing components first, followed by a thorough check of all rubber mount conditions. You are right that at my mileage some mount wear would be normal. Will definitely have them examine the mounting bracket and surrounding areas for any visible deterioration while they are checking the timing issue. If I do need a full transmission mount replacement like you eventually did, at least I know the approximate cost range to expect. The 450 Euro price point gives me a good reference for budgeting the potential repair. Will schedule the diagnostic for next week and report back with the findings.

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AUDI

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RSQ3