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Bergenja

Seeking Advice on 2018 Volvo S90's Transmission Slippage and Grinding Noise Issues

Whining or grinding noises

Grinding noise when shifting gears

Transmission slips/shifts erratically

Hey folks, I've been having a bit of a weird issue with my 2018 Volvo S90 Gasoline engine. Lately, my car's transmission has been slipping and shifting all over the place. Also, there's this grinding noise every time I switch gears, plus a consistent whining and grinding sound going on. I'm suspecting it could be due to a faulty gear selection display but I'm not entirely sure. Has anyone experienced something similar and can share how they nailed down this problem? Also, I'd appreciate if you guys could share your repair experience at the workshop, especially on the steps they took to resolve this issue. Looking forward to your suggestions, thanks!

(Translated from German)

4 comment(s)


HandanPilotz

Hey, Funny you should mention, I've actually been in a similar boat with my 2016 Volvo, XC90 Diesel. My car expertise is on the low side, but I've picked up a thing or two. So when I started having similar issues, I pretty much threw in the towel and decided to rely on a professional mechanic. Turns out, in my case, the problem was a faulty wiring harness. I had my local shop confirm it for me, who ended up repairing it for about 180 Euro. Resolved a world of headache for me. Just a shot in the dark here, but could your problem also be with a wiring issue? It might be worth getting checked out at your local workshop. By the way, are there any other specifics you can tell me about your car situation? It'll help me get a better grasp of your situation and maybe offer a bit more in-depth advice. Cheers!

(Translated from German)

Bergenja (Author)

Hey, Thanks for weighing in. Your experience sounds quite relevant, if a bit different, since my car is a gasoline engine. I'll definitely follow up on your suggestion and get that wiring harness - among other things - inspected. I'm no mechanic, but I think that could be a good start. As for more specifics, my S90 is currently on a mileage of 70389 KM. It last had service about two months back. I've noticed the problem does seem to get worse when the car has been running a bit, doesn't matter if on a highway or in the city. Also, the issue seems to be more severe while climbing up a sloping road. I think that's all I can provide for now. Appreciate your help! Cheers!

(Translated from German)

HandanPilotz

Hey there, Thanks for throwing in those details, they're pretty helpful. I reckon every bit of information could prove useful in nailing down elusive car troubles like this. From your description, it does sound like there could be some issues with the transmission fluid. If there's not enough fluid, or if it's not flowing properly, you could be experiencing those kinds of symptoms like erratic shifting or grinding noise. The overall performance of your car might deteriorate, especially when you're asking a bit more of the engine, like when climbing a slope. That being said, you'd do well to have a check on your transmission fluid as well - its level and quality. If it's dark or even has a burnt smell, it might be a sign you need a fluid change. I know that when I've had similar shifting problems in my Volvo, checking and replacing the transmission fluid often did the trick. Remember, it's just a layman's view. I'd still highly recommend getting it into a garage for a proper check. After all, cars are complex machines and issues trend to intertwine. Stay safe on the roads and let's hope you sort this out quickly! Cheers!

(Translated from German)

Bergenja (Author)

Hey, Good insight! I did a quick dipstick test and it seems like the fluid level is okay but it's darker than I remember. Not sure about the smell though, it was a bit strange, so I guess a fluid change could be a potential solution here. I'm marking my calendar to head over to the garage this weekend and get a proper check on everything we discussed. Hopefully, that clears up this mess. Thanks again for putting your time into this. Really appreciate it! Cheers!

(Translated from German)

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