plynchy Posted July 14, 2021 Report Share Posted July 14, 2021 Realise it's not technically a Boxster but this is one of the most useful places for info on the web. Bought my GT4 in May, last few days it's developed a weird metallic clunk from the rear on uneven roads, though it was a snapped spring but they look to be intact as do the ARB drop links. Any suggestions as to a possible cause very welcome. It's under warranty so going into local OPC later today. Quote Link to comment Share on other sites More sharing options...
Tony Daniel Posted July 14, 2021 Report Share Posted July 14, 2021 Hi Paul. If it was a Boxster people would be saying coffin arms ball joint or usually the rear control arms. Not sure what a GT4 set up is like, has it got adjustable rear toe links? I had one of those come loose and made a bit of a clunk over rough surfaces. Quote Link to comment Share on other sites More sharing options...
tcornet Posted July 14, 2021 Report Share Posted July 14, 2021 Paul, assume it’s a 981 GT4? ive owned both versions, sorry I can’t help as i didn’t experience any weird noises from the rear. I, also not aware of any common faults with the rear set up OPC seems like the right approach. Good luck Quote Link to comment Share on other sites More sharing options...
lawrencequinn Posted July 14, 2021 Report Share Posted July 14, 2021 My 718 Spyder gives a very very occasional boing noise. OPC has fully investigated and found no issues. Quote Link to comment Share on other sites More sharing options...
Steve Laming Posted July 14, 2021 Report Share Posted July 14, 2021 Did I read somewhere about engine mount failure on GT4's ? Quote Link to comment Share on other sites More sharing options...
Carmand Posted July 14, 2021 Report Share Posted July 14, 2021 (edited) I had this; turned out to be loose (completely undone) brake calliper bolt. Presumably loosened under the previous owner and not replaced. Sound was rather like two hammers being banged together when going over bumps gradually got worse. OPC failed to diagnose it twice but did replace the bolt and check the other callipers FOC when I told them what was wrong. Edited July 14, 2021 by Carmand Spelling Quote Link to comment Share on other sites More sharing options...
plynchy Posted July 14, 2021 Author Report Share Posted July 14, 2021 Thanks for the pointers, yes it’s a 981. A boing noise would describe it well, not sure if it’s just flexing, no idea. Dropped it at OPC, I’m away for a few days so they can tinker with it to their hearts content. It’s under warranty so hopefully should be sorted if there’s anything odd going on. Quote Link to comment Share on other sites More sharing options...
daz05 Posted July 14, 2021 Report Share Posted July 14, 2021 With this type of thing you really have to get it up on a ramp could be a number of things. Hope you get it sorted and warranty doesn't deem it to be wear n tear! Quote Link to comment Share on other sites More sharing options...
plynchy Posted August 6, 2021 Author Report Share Posted August 6, 2021 Finally got some feedback, they’ve found nothing conclusive and stated ‘it’s a GT4, they can be a bit noisy’. Will see how it fares I guess, be good to get it back next week. 👍🏻 Quote Link to comment Share on other sites More sharing options...
Araf Posted August 19, 2021 Report Share Posted August 19, 2021 On 8/6/2021 at 9:01 PM, plynchy said: ...and stated ‘it’s a GT4, they can be a bit noisy’. They always say that, while it's under warranty. Quote Link to comment Share on other sites More sharing options...
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