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Discussion Starter · #1 ·
My 2017 Guilia TI with sport package started making a loud “thunk” on small road bumps. Sounded like a collapsed shock or a broken sway bar link. The sound got progressively worse, but the sound was always related to road irregularities. Took it to the dealer 10 days ago and they are replacing the rear differential under warranty. The car has always been easy to pitch sideways and break loose the rear. I hope with the “fix”, the driving character doesn’t change cause I’d hate to lose the fun of sliding through a corner.
 

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My 2017 Guilia TI with sport package started making a loud “thunk” on small road bumps. Sounded like a collapsed shock or a broken sway bar link. The sound got progressively worse, but the sound was always related to road irregularities. Took it to the dealer 10 days ago and they are replacing the rear differential under warranty. The car has always been easy to pitch sideways and break loose the rear. I hope with the “fix”, the driving character doesn’t change cause I’d hate to lose the fun of sliding through a corner.
To bad about the bad diffy. I'm glad they're taking good care of you.
Is this a QV or Ti or Base model?
I see you're in the LA area. Which dealer is working on your car? I use Santa Monica Alfa, Fiat & Maserati.
 

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Discussion Starter · #3 ·
Hi, it’s a TI with the 20” wheels and limited slip diff., sports seats etc. Alfa of Glendale is doing the work. I have had good experiences working with Edder in Service. It’s a good thing it’s still under warranty, it has less than 9k miles and the cost of parts and labor would have been north of $6K. Still interested to know what part failed..
 

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2018 Q4 with Fiamenghi Ti exhaust, Race Mod, and Tecnico wheels.
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Please do let us know exactly what they replace to make it right. The differential is mounted in an aluminum subframe that is held to the car with several large bolts and of course the differential is held to the subframe with some more large bolts and the suspension is held to the subframe with more large bolts. Plenty of places for something to come loose or break and make horrible noises over bumps.
 

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Hi, it’s a TI with the 20” wheels and limited slip diff., sports seats etc. Alfa of Glendale is doing the work. I have had good experiences working with Edder in Service. It’s a good thing it’s still under warranty, it has less than 9k miles and the cost of parts and labor would have been north of $6K. Still interested to know what part failed..
Nice, another Q2, like ours, except we went with the Lusso interior.

20 inch aftermarket wheels? The largest factory wheels are 19 inch.
 

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My 2017 Guilia TI with sport package started making a loud “thunk” on small road bumps. Sounded like a collapsed shock or a broken sway bar link. The sound got progressively worse, but the sound was always related to road irregularities. Took it to the dealer 10 days ago and they are replacing the rear differential under warranty. The car has always been easy to pitch sideways and break loose the rear. I hope with the “fix”, the driving character doesn’t change cause I’d hate to lose the fun of sliding through a corner.
Hi Donotlift,

We are glad to hear that you are working with your dealer to have this concern resolved. If you are in need of additional assistance while your vehicle is in service, please send us a PM.

Darlene
Alfa Romeo Social Care Specialist
 

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Discussion Starter · #9 ·
The rear differential was replaced by Alfa Romeo under warranty. The technician and service writer said the limited slip differential has no serviceable parts and was sealed so they didn’t know exactly what part had failed. I just want to thank Edder and the service dept at Glendale Alfa. They had multiple mechanics working past their normal hours to finish the car.

Interestingly, I had a Mercedes C300 for two weeks while the Alfa was in the shop. I really liked the functionality and the solid feeling of the Mercedes. The infotainment and navigation system puts the Alfa to shame. I was on the fence of a Quadlifoglio or AMG C-63s when my Giulia lease is up. I was leaning towards the Mercedes until I drove away from the dealership. The driving dynamics of my Giulia swayed me back in line. Alfa it is. Let’s hope FCA can bring the lease costs in line with a C63s.
 

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Glad it’s all fixed up. 2wks ain’t so bad, I reckon, though I’m sure you were missing it!
 
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Forza alfa baby !!!!
 

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The rear differential was replaced by Alfa Romeo under warranty. The technician and service writer said the limited slip differential has no serviceable parts and was sealed so they didn’t know exactly what part had failed. I just want to thank Edder and the service dept at Glendale Alfa. They had multiple mechanics working past their normal hours to finish the car.

Interestingly, I had a Mercedes C300 for two weeks while the Alfa was in the shop. I really liked the functionality and the solid feeling of the Mercedes. The infotainment and navigation system puts the Alfa to shame. I was on the fence of a Quadlifoglio or AMG C-63s when my Giulia lease is up. I was leaning towards the Mercedes until I drove away from the dealership. The driving dynamics of my Giulia swayed me back in line. Alfa it is. Let’s hope FCA can bring the lease costs in line with a C63s.
What is a C63 S lease going for these days?
 

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The rear differential was replaced by Alfa Romeo under warranty. The technician and service writer said the limited slip differential has no serviceable parts and was sealed so they didn’t know exactly what part had failed. I just want to thank Edder and the service dept at Glendale Alfa. They had multiple mechanics working past their normal hours to finish the car.

Interestingly, I had a Mercedes C300 for two weeks while the Alfa was in the shop. I really liked the functionality and the solid feeling of the Mercedes. The infotainment and navigation system puts the Alfa to shame. I was on the fence of a Quadlifoglio or AMG C-63s when my Giulia lease is up. I was leaning towards the Mercedes until I drove away from the dealership. The driving dynamics of my Giulia swayed me back in line. Alfa it is. Let’s hope FCA can bring the lease costs in line with a C63s.
Thanks for the update. Glad you got your car back. I'm really surprised they sourced the diffy that quick.
 

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Discussion Starter · #14 ·
Thanks for the update. Glad you got your car back. I'm really surprised they sourced the diffy that quick.

I really give credit to Alfa Romero and the Service advisor Edder. From what I understand they pulled the differential from the assembly line and overnighted it from Italy. I think it shows Alfa is committed to the North American market. And like I said previously, they had 2 or more mechanics working on it past 8pm.
 
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