Rattling/Squeaking rear suspension Mustang GT 2024 since new.

[DHL]

I took delivery of a Mustang GT 2024 in April 2025. Shortly thereafter it developed a rattle in the rear left pillar like loose wire coat hangers . That stopped at 2500kms. Now, a loud squeaking/groaning is coming from the rear suspension. The dealer pressure washed it, but it made no difference. It is present at all speeds (as low as 10kph) and all surfaces with a few exceptions. It got so bad I was wondering if I should be driving it at all. Currently has 3400kms on it. It’s very unpleasant. Booked into dealers for investigation. Terrible for a brand new car. Incidentally, it’s fitted with Magnaride.

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[Lightning17GT]

sorry to hear that. Do you have audio of the noise?

 

[Gregs24]

I took delivery of a Mustang GT 2024 in April 2025. Shortly thereafter it developed a rattle in the rear left pillar like loose wire coat hangers . That stopped at 2500kms. Now, a loud squeaking/groaning is coming from the rear suspension. The dealer pressure washed it, but it made no difference. It is present at all speeds (as low as 10kph) and all surfaces with a few exceptions. It got so bad I was wondering if I should be driving it at all. Currently has 3400kms on it. It’s very unpleasant. Booked into dealers for investigation. Terrible for a brand new car. Incidentally, it’s fitted with Magnaride.

Just a thought...

There are well documented problems with the rear seat catches and hinges making a creaking / scraping noise. Mine did and a small amount of white paraffin on the lock pins and hinges fixed it.

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