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Hi I was following a thread about crazing on headlight lenses but it was getting a bit heated and was wisely shut down, so here are the facts as I know them, anyone with a better explanation is more than welcome to put me straight, headlight lenses or covers are made from three possible sources, glass, polycarbonate, acrylic plastic, the glass is rare as its heavy and prone to chips and bullet holes from road debris, polycarbonate is much better as it is less likely to break or crack on contact with road debris but it suffers with age related yellowing and has a lower light transmission efficiency, acrylic plastic has a higher light transmission and is cheaper therefore the most used and with the correct UV resistant coating will give good service especially on cars equipped with Halogen bulbs. Now the interesting part with the advent of HID bulbs and projector lenses acrylic plastic works well but you tend to get deterioration of the covers from the inside in the area of the projector lenses, now go again with LED lights where each light has its own projector lenses with is made of glass as are all projector lenses the problem is amplified, LED bulbs do not create the same heat as Halogen or HID it is in fact less until you start using projector lenses which amplify both light and heat, in simple terms its the same as using a magnifying glass on a hot sunny day to burn holes in a piece of paper or wood and if you look at how far the sun is away from the earth it gives you a good idea of how potent projection can be, therefore on headlight covers interior the heat builds up and over time will cause pitting inside the cover which wont actually affect the lights brightness but looks unsightly, so this is the price we pay for super bright LED lights. Steve.

Hi there, just thought I’d drop by. Recently purchased a 2013 Q5 TDI Auto. Absolutely love the car. Hoping to upgrade a few bits over the coming months. Already spent a bit sorting the suspension out but runs lovely now. anyway, hello !

Im having the same issue, just stopped timed charging and set back to a different time and not selected I wonder if its an update, Mine is still under the 3 year guarantee so it will be going back to the Garage in January

Would your desire for a noisy exhaust have anything to do with the smoking you asked about in https://www.audiownersclub.com/forums/topic/26569-smoke-and-smell/#comment-102214 You did not follow up the matter at the time.

I’m not confident in your independent either, for a crank pulley to just come off id say it wasn’t put on correctly, it also just wouldn’t drop off it would come off with a lot of momentum and possibly damage other items. And even if the crank was slapping around in the casing i would expect it to chew up the belt first and the knocking would be of more concern.

Hi sorry to hear of your problems, but I would not take your diesel specialist word as law as I have noticed a lot of them dont have the equipment to service Piezo injectors, try United Diesels who are at the top of the injector evolutionary tree, if not try second hand from a company called Nirro they break VAG cars and do some very good parts for not a lot of money, let us know how you get on, BTW I dont blame you for avoiding Alibaba and his four million thieves. Steve.

No- 0W30. Its written on a panel beside the bonnet latch. They only recommend you add .5ltr of anything above that.

Apologies for the gripe, but the forum has recently suffered from a spate of what can be termed ‘Post and Run’ new members, who seem to think it’s perfectly acceptable to post a plea for help, and simply not return to view the help given. In a more diluted form, help is offered, but is very rarely acknowledged even via. a simple press of the Like button, leave alone a posted Thank You. The last part of the gripe is that we frequently have to ask for additional information, and this extra detail often never materialises. Please remember, everyone who posts replies do so without payment, but it certainly does cost them in time - in terms of the Moderators and Admin back up - a lot of time. So a special plea to all on here who post needing help:- please be respectful enough to acknowledge any help given, rather than simply accept it as a no-cost, no time of yours, free advice service. It’s wearing thin folks, so if you want to retain this service, please respect and acknowledge its benefits. Thank you all for reading this, and above all, agreeing to adhere to the respect that is needed to be shown. Kind regards, On behalf of the Moderators. Please note:- This request is to all members, not just new ones. p.s. Please avoid using non specific locations such as U.K., England etc. etc.