How to diagnose bad suspension accumulators on a McLaren
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- čas přidán 3. 12. 2021
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Thanks for continuing to prove these are attainable dream cars!
Hey Shaun, another tell tale is that when idling and stationary and with "Active" mode engaged a12C should rise very slightly (all 4 corners) when the Handling switch is moved from Normal to Sport mode and then lower itself again when switched back to Normal. I know it sounds wrong to raise in Sport Mode but I believe that is correct!. You should also hear the hydraulic pump/valve engage with a short whir/buzz when you move the switch. You MUST have Active mode engaged or the Handing switch doesn't do anything. If the car doesn't move up on any corner it's likely that the accumulator for that corner has failed/blown. I assume the other P11 chassis cars (650S and 675LT) do the same.
Hello
You have new fenders. Since i cannot move the fender in order to ajust gaps, i was wondering it there is a hidden screw at the bottom of the windscreen behind a plastic part and how did u manage to get to it .
Thank you in advance
All the screws are in the fender well from the bottom or in the frunk. Nothing hidden by the windshield but it's awkward to slide it in place.
Are you guys still active in Atlanta? Tried to reach a few times.
You messaged via website contact form right? I emailed you.
Can you just tap on each accumulator? Surely the good and bad ones would sound totally different, like a hollow tink for good and a dull thud for bad?
Definitely not. They're built to be under several thousand PSI of pressure. A bad one is heavier from the extra fluid in it but you can only tell by taking it out. They're around 1 lb each.
Hi Shaun just ordered 4 new ones for my 650s ...do you know what size screws the arch liners are held in by as mine has rusted and will order some stainless before i start the job
It will be 10mm socket and 4mm hex head.
Or did you mean the thread and pitch?
@@McMedics Sorry it was the thread and pitch i have it sorted now... fitted stainless now
Any replacement options available beyond oem?
Not that I've found.
Screw the accumulators . Aren't there some direct replacement strut/coilover that can work ?
No, and that would be detrimental to performance.
How much do you charge to change them on a 650?
$2,800
Just had my 675LT to the dealer and I was getting a PCC error. Dealer just called and told me its the accumulators.
Yup, always is