Knocking sounds from the rear - Alfa Romeo Forum
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Knocking sounds from the rear

I've been getting a knocking sound from the rear for as long as I've had the car. I always thought it was the parcel shelf, but yesterday I was driving around with the rear seats, spare, boot trim and parcel shelf out and the knocking was still there, just a bit louder!

I'm pretty sure it's not the exhaust knocking on the bumper, as it was doing it before i got the Supersprint. However I've got some Powerflex exhaust mounts on the way just to be sure.

I seem to remember there being problems with the 147's rear trailing arms? But mine are light grey/white-ish in colour and I seem to remember they were the re-designed parts?

Is the knocking likely to be suspension related? It's getting quite annoying
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Re: Knocking sounds from the rear

The drop links on the front anti-roll bar can cause knocking - I don't know if the rear ones could too if worn or maybe loose.
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Re: Knocking sounds from the rear

Ive had the rear knockin soud but up till now can only isolate potential
sources on the 156 after so many inspections

U canlook into: The bushes on the trailing and link arms, plastic anti roll bar links, rear rubber top suspenson mount and I believe there is a small arm with a ball joint just below the srear shocks that connects to the trailing arm.

Ive changed the arb links but this aint the cause.... still looking

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