Black_Thunder

Dry clutch DSG have a much slacker hold on the bite point when stationary on the brake. They also have a gearbox temperature warning on the dash. And if you ignore the high temp warning, it will turn of the engine. This has happened to a few customers I know. As for wet clutch DSGs cooking their oil, there are hundreds, possibly thousands of threads on many other forums. I have changed the oil and filter on many DQ250 boxes. It is very evident to see from the state of the old fluid who are the drivers who shift into neutral when stationary and who don't. Not just the colour of the old fluid, but also the amount of particulate matter suspended within the fluid. And you can also smell when the oil has failed and oxidised due to overheating. As for the filters, the original DSG filters were highly efficient - arguably too efficient. Because they often got blocked. VW subsequently changed the design of the filter to be less efficient. But irrespective of which evolution of filter - there is always sludge at the bottom of the filter housing, and the sludge is primarily friction lining particles from the clutch. The manufacturers will try to tell you about 'improvements' in filter technology, and other general improvements in build quality! Regarding any 'reducing' of servicing intervals - that is contrary to the ethos of the car manufacturer of minimising maintenance costs. How many manual boxes or rear axles (NOT Haldex couplings) have a scheduled oil change recommendation? Yet ask anyone who has changed the oil on a manual transmission about the state of the old fluid. At the end of the day, car manufacturers are just money-making enterprises. They no longer care about the longevity (or general reliability) of their products. They would rather shaft the innocent car owner for the extortionate cost of a new DSG (or engine, or indeed any other major component) - rather than explaining the benefits of more frequent oil and filter changes. Or even better, they prefer you to buy a new car when your previous steed could have had much longer life!

When the DSG was first introduced, thousands of DSG boxes needed to be replaced - the clutches fail due to driver error. People coming to DSG from a conventional slush box auto behaved in the same way as they always behaved. So they just kept it in D with their foot on the brake - for many minutes, and longer! And people coming to DSG from manual were simply given poor advice.

Unless you are familiar with the time phasing of a particular set of traffic lights, and know that you will not be held stationary for more than 30 seconds. After 30 seconds, the clutch heat rises dramatically, not only cooking the oil, but also causing increased wear on the clutch friction plates, which then contaminates the oil.

Yes, absolutely.

That is categorically NOT what main dealers are instructed to use.

The point of this is???? It is quite simply a misleading advert from Fuchs about which oils they WANT you to use. It has zero relevance to the official Volkswagen AG requirements.

@toot the VWFS pdf you supplied has nothing VWAG oil specifications. It is simply a policy booklet for used car insurance from VW UK. " ŠKODA Approved Used Warranty cover is administered on behalf of ŠKODA UK by Volkswagen Financial Services (UK) Limited". It has no authority regarding which oil a main dealer is to use

It is also very important to select N (on DSGs which still have that option) if you know you will be stationary for more than a few seconds. For three separate reasons. The first is that when stationary (in D, or any other 'gear' mode, and engine running), the ECU for the DSG holds the clutch on the bite point. This is perfectly normal and okay for a few seconds, but prolonged holding of the clutch on the bite point causes excess heat, very high heat locally on wet clutch DSGs - and this can cause premature ageing of the DSG fluid. The second issue is that this uses more fuel compared to selecting N - this is proven via live datalogging on VCDS of requested engine torque when in gear but stationary, compared to in neutral and stationary. The third is that it is just a bad idea to hold a stationary car using the footbrake (for two separate reasons itself).

Nope, I have given the official Volkswagen AG instructions to all main dealers throughout Europe. Authority by VWAG to use 502.00 was removed for use by all main dealers across all VAG marques in 2006. If you choose not to follow that - it is entirely your own choice. But don't force your blatantly incorrect diatribe of factually incorrect information on others. How many more of your teddy bears are you going to throw out of your perambulator?

Why so hostile? I guess you just don't like being proved wrong! I actually go on FACTS, not some ill-informed internet troll. My knowledge on automotive engine lubricants is deep enough to be head-hunted by Fuchs UK to work for them! Your point is? And you clearly demonstrate your lack of real knowledge about automotive engine lubricants! All VW Group engines must only use oils officially approved by VWAG. 'Suitable for . . .', 'meets specification of . . .' or any other similar weasel words are just terms used by snake oil sales folk - when referring to OEM specifications, be they VW, MB, PSA, Renault, Dexos, and the JASO and JALOS collectives.

Official main dealers have no need to access erWin. They have access directly to the Volkswagen AG secure portal. erWin is basically just a mirror of the official VW portal, but for use by the independent motor trade

Your actions do not match your words. I don't wish to be unkind, but anyone who uses a non-approved oil frankly must have a few marbles floating around in their bonce. Furthermore, the lubricant is not the sole element of weather an engine goes bang or not! Nobody will argue about trying to save money, especially in this economic climate. But using inferior products on such an high value item is very poor logic. I fo agree about advertising, and it is very well known that certain American oil companies spend massively more on advertising than they do on R&D. Mobil is by far the worst! Yawn! Care to name which oil has been crap? Huh???

That is extremely irresponsible and frankly dangerous advice! Specific engine families are designed and engineered to use a specific standard of lubricant for their entire lifespan - not just for the warranty period! It is no different to telling folks to fill up their diesel fuel tank with petrol once the warranty has run out! I totally agree with you there. For decades, many official VW Group dealers have been using incorrect oils during servicing, and supplying incorrect oils for topup or home mechanic oil changes. The really annoy thing is that VW UK just don't give a flying **** about incompetent stealers! If they are NOT on the VW approved list, how do you actually know if they meet the required specification? Frankly, a very narrow-minded opinion Oh dear, Fuchs do like to bull$hit. Fuchs have NEVER had any factory-fill at any VW Group supplied engine. They are all supplied by Castrol - who are owned by BP. It was Castrol who developed the original LongLife specification for VW, along with the LL2, LL3 and LL4 specs. The ONLY reason other oil companies are allowed to make oils is due to European Union anti-monopoly laws, and that is how Fuchs and others are able to make OEM spec oils.

You can also ask at TPS to give a full printout of all PR codes installed for a given VIN - and this list is considerably larger than the limited selection of PR codes on the data sticker in the boot or service book

Apologies, I thought you were referring to the PDF attachment earlier in the thread.