Question:
There is a knocking/banging/cluncking sound coming from the middle-back of my Saab 9-3 convertible. It happens when you apply the brakes at low speed and then accelerate away (such as coming up to a speed bump, in traffic, coming up to a roundabout etc) or when you pump the brakes at low speed. It doesn't occur at higher speeds. It sounds likes something rolling/ knocking into something else and falling back again. I have recently had the rear brakes and discs changed, the suspension re-torqued and the exhaust rubbers changed. It's still there! You can hear it when you are outside the car also. There is no drop in the performance of the car at all. I am convinced that it is coming from inside the body of the car, underneath the rear seat. I can assure you all that it has nothing to do with someone such as my mother in law being trapped in my boot!! Would appreciate any ideas, as this is getting annoying.
Answers:
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Most likely a loose muffler or a broken hanger on your exhaust. Or the tailpipe is hitting the axle because you have a bad shock or strutIt's heading for the scrap yard in the sky !
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Sounds like the exhaust has been set too close to the body and is banging against it when the engine moves on its mountings.Which state is the most lenient on minor traffic offenses?
You forgot to let the gang out of the trunk the last time you went to the drive-in.Don’t know the car too well but if its rear wheel drive have a look at the prop shaft and or the proximity of the exhaust to it.
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