Quote:
Originally Posted by moh770
Hi guys,
Please help, I have a 2019 Volvo xc90 inscription pro and it was juddering (shaking) at like 5-10mph and 40-50mph, I got the turtle come up on the dash limiting my speed, and I took the car to Paul rigby Volvo in Birmingham, they said the issue is with ERADً (electric rear axle drive) and I need an ERAD transmission, Erad motor and erad inverter replacing, is that all one thing and they are making it sound bigger than what it is, they said £7452.15 for parts and £1024 (ex vat) for labour, coming to a total of £8680.95 for the work, which I think is insane, also my adaptive lights came up with an error and they said they want £1631 to replace them and £184.32 (ex vat) for labour. The total cost for both inc labour and vat came to £10,664.58 inc vat, can someone knowledgable tell me if they are having me on please because this seems insane!
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ERAD failures have typically been the clutch packs. Volvo reengineered these parts and these different parts have been used for a number of years to rebuild the ERAD. Mine had this done. This is typically about a 3k GBP job. Your complete ERAD could of course have failed, but this has not been the typical failure route.
It is also worth noting that when I had a battery overheating issue, as the batteries cut electric drive this caused a very severe and sudden judder, it felt like a drive train failure but in fact was the batteries cutting out. This was eventually diagnosed as a failure of the AC pump which forms part of the cooling system.
The other thing to ask is have you actually noticed a problem with the headlights or did the garage just tell you they were broken? I ask because often when there is a fault in one part of the car and an unexpected shut down it throws fault codes from unrelated areas where there is no fault. Again in my example of an overheating battery, I too got a fault code for the headlights. There was no fault with my lights.
I think you need to do some more digging with the garage and see what real diagnosis they have done. Have they just read the codes or have they done proper diagnosis? These are complicated cars with interconnecting systems and need proper detailed diagnosis from competent and trained technicians. Unfortunately not all main dealers are at that level of competence (but I pass no judgement on your dealer - I have no experience with them at all).
As a final comment I also own a motorhome and read a motorhome magazine called MMM. In a recent issue there a was long story about someone who had repeated problems with their van and it had been back and forth to Peugeot multiple times and had parts replaced according to the fault codes. The customer was at the end of their tether and actually wrote to the magazine for advice on how to reject their new motorhome. The technical advice received from the magazine expert identified an earthing strap which had not been tightened and since then the van has been flawless. All the dealer did was replace parts according to fault codes. When the technical expert at MMM did was systematically fault find using the described symptoms and their experience. The dealer spent a fortune of time and money to achieve nothing and nearly had to buy the van back. The fix cost basically nothing.
Make sure you have proper diagnosis before spending any money.