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Exhaust rattle on the overrun
Posted: Sat Jul 11, 2015 4:24 pm
by honeymonster
Just got my wheel/ handling issues all sorted and my Boxster has now given me a new project to work on! I hear a rattling sound like stones in a tin can when I ease off the throttle.
It doesn't do it when free-wheeling so I don't think its something loose (like the heatshield), or am I wrong to assume that?
Could it be a lose baffle within the exhaust? Is this easy to repair or will it cost me a fortune?
Thanks!
Re: Exhaust rattle on the overrun
Posted: Sat Jul 11, 2015 7:35 pm
by tr7v8
Could be a heat shield there is one above each cat & the welds break. Really needs to be on a ramp or a good jack to check. Maybe time for a noisier fruity exhaust upgrade
Re: Exhaust rattle on the overrun
Posted: Sun Jul 12, 2015 9:16 am
by Chris H1
+1 on heat shields both of my rear ones have rattled loose in the 2 years I have had the car & are now hanging up in the garage as surplus to requirements. Get the rear of car up in the air on some ramps or trolley jack etc & have a look with engine running you will soon spot the offending item. Mine had almost completley come away from exhaust so a quick tug & they were off & rattle cured. I haven't noticed any extra heat in the boot & the car hasn't self combusted/burst into flames in the 2 years the heat sheilds haven't been on so as I said surplus to requirements......the choice is yours though......budget no object then new sportier exhaust is the next step
HTH