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Discussion Starter · #1 · (Edited)
Wheel Car Automotive parking light Tire Vehicle

Topics -

• Engine, Drivetrain & Electrics
• Maintenance & Service
• Optional Features
• Coupes & Roadsters
• Diagnostic Tools
• Brochures & Publications
• Technical Service Bulletins & Recalls


You can either scroll down through all posts or just click on the title of the topic you're interested in reading.


Introduction -

For anyone looking at buying an Audi TT Mk2 Coupe or Roadster, this is probably the most comprehensive guide available anywhere on the internet. It includes over a decade of real world ownership experiences from various Mk2 Forum members. While you can read through hundreds of Audi TT reviews on various automotive websites, none of them can provide a comprehensive review of Mk2 ownership experiences, options, features and discussions on recalls, service issues, retrofits and upgrades that may or may not be standard Audi features.

Most long term owners will agree that both the Mk2 is relatively dependable and are wonderful vehicles to own and drive despite their know flaws. However it's important to understand that just because prices have dropped over the years, the Mk2 TT and TTRS are premium sports cars with higher than average ownership costs for parts, service, taxes and insurance.

Caveat Emptor (Let the Buyer Beware) -

There are plenty of posts in this forum from new owners who picked up a "bargain" Mk2 only to discover the costs of repairs were beyond their budget. If you're unsure about ownership costs, ask for a service quote from your local Audi Service Center for the price of a master brake cylinder replacement, a manual transmission clutch replacement or new set of Mag Shocks. As with any car, the more you can do yourself or turn over to an independent garage, the more you can save. Make no mistake, regardless of the purchase price, the Audi TT Mk2 is not a budget economy car.

Pre-Purchase Mechanical & Digital Inspections

If you are serious about making an offer, make the sale contingent upon the seller allowing for the vehicle to be evaluated by an independent mechanic of your choosing - on your nickle of course. If everything checks out, consider the cost 'cheap' insurance. If problems are found, then you have a negotiating tool and the sales price is adjusted accordingly (assuming problems are minor). Or if major issues are discovered, consider the money well spent since it saved you from making an expensive mistake. A good mechanic will likely charge for ~ 2hrs for their time. They will be able to uncover more than you ever could.

Always request an OBD auto scan to see what DTC (Diagnostic Trouble Codes) have been logged. This report will give you a good idea of what's been going on in the past and if there are any current issues. Before a test drive, run an auto scan and see if there are any DTCs. Then clear the faults, go for a test drive and when you get back, run the auto scan again to see if any DTCs have come up again.

The Short List -

Common Mk2 problems include saggy leather seats, noisy/failing window regulators, knocking steering racks, broken bonnet (hood) opening levers and poor (ground) earth connections to rear lights, making them dim or loss of lights.

For the DSG transmission, get it nice and hot and check there is no delay on pulling away and no juddering when traveling very slowly, reversing up an incline or pulling into parking spot etc. These can be expensive to repair, but probably no more than a manuals clutch.

Check thoroughly for any interior wet areas as drains block easily and any damp can cause future electrical problems. There are many common places where water can get in and leaking front and rear windscreen seals are being reported.

Exterior body corrosion under the (trunk) boot area has become an issue with older models, especially for those that are driven in the winter or reside near coastal areas.

Mk2 History & Details -

For a good general overview on the history of the Mk2, it's worth reading the Wikipedia link below which goes through all the various models, engines and features that were offered through the 2006-2014 production years.

Audi TT Mk2 (Type 8J, 2006-2014)
https://en.wikipedia.org/wiki/Audi_TT#T ... %80%932014)

Note - While we've tried to minimize the number of links to topics which are relevant to a potential Mk2 buyer, there may be some duplication depending on the topic and links within that particular post. For more information on a specific topic, be sure to browse through the Knowledge Base and don't forget to use the Search function.

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2007 3.2 VR6 Roadster
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Discussion Starter · #2 ·
ENGINE, DRIVETRAIN & ELECTRICS

Engine issues include high oil consumption, failed timing chain tensioners and high pressure fuel pump cam followers. Additional information is provided in the next topic under the link for Recommended Maintenance & Service. With regards to timing chains & belts, the 2.0L EA113 motors are belt driven, 2.0L EA888 motors are chain and the 3.2 VR6 also has timing chains.

FAQ - Mk2 Audi TT Known Engine Problems
https://www.ttforum.co.uk/forum/viewtop ... 3&t=332534

Depending on the year and model, Quattro vehicles will come with either a Gen2 or Gen4 Haldex all-wheel-drive. As with the transmission and final drive units, the Haldex should have regular fluid and filter changes.

FAQ - Haldex Service and Filter Replacement
https://www.ttforum.co.uk/forum/viewtop ... &t=1865047

The Mk2 is generally free from electrical issues. However there is a well known problem with the ground wire on both rear tail lights which can cause a false 'bulb out' warning on the Drivers Information Screen (DIS). This is a relatively simple DIY repair.

Rear Brake Light Problem (Earth Ground)
https://www.ttforum.co.uk/forum/viewtop ... &t=1791809

The other electrical component prone to failure is the Bose Amp. This tends to be seen more often in Coupes than Roadsters as water often finds its way into the Amp when the rear hatch is opened. Since the PCB isn't conformal coated at the factory, over time the wet and damp can cause solder joints and board traces to fail. However there area few Bose Amp repair shops that may be able to salvage one if the corrosion isn't too bad.

FAQ - Bose Amp Technical Information and Repair Guides
https://www.ttforum.co.uk/forum/viewtop ... &t=1889737

Headlights -

The Mk2 come with either halogen or Xenon and many people who have halogen complain they're not bright enough. There are companies that can retrofit xenon headlights, but it won't be cheap (>1,000-Euro) as they require angle sensors and headlight washers. HID were an option, but in the UK at least, the MOT has recently banned HID retrofits.
 

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Discussion Starter · #3 ·
MAINTENANCE & SERVICE

A complete maintenance and service history is important for any used car. This section includes some of the various components that are known weak points. Given the age of the Mk2, most of these problems have probably been resolved either through various recall campaigns or by owner service. However as Mk2 continues to get older, these issue should still be checked during the initial inspection.

FAQ - Mk2 TT Recommended Maintenance & Service
https://www.ttforum.co.uk/forum/viewtop ... &t=1932049

FAQ - Audi TT Mk2 (8J) Spoiler Problems & Retrofit Coding
https://www.ttforum.co.uk/forum/viewtop ... &t=1918983

Window Regulator Issues
https://www.ttforum.co.uk/forum/viewtop ... 2#p8675602

FAQ - Door Locks & Key Fob Remote Not Working
https://www.ttforum.co.uk/forum/viewtop ... &t=1882595

FAQ - Mk2 Roadster Convertible Soft Top Problems & Solutions
https://www.ttforum.co.uk/forum/viewtop ... &t=1953141

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2007 3.2 VR6 Roadster
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Discussion Starter · #4 ·
OPTIONAL FEATURES

This section offers some insight into the various options that were available across the different years and models. Generally speaking, you're better off buying a TT that already has these factory equipped, although just about any option can be retrofitted. Some of the more desirable options include, but are not limited to the following -

• Xenon Headlights (1)
• LED Daylight Running Lights (2)
• Electrically Adjustable / Heated Seats
• Audi Navigation Plus MMI / Bose Sound System (3)
• CD Changers, Bluetooth & Hands Free Phone Kits (4)
• Interior Mirror with Auto-headlights, Anti-Dazzle and Compass
• Audi Magnetic Ride or "Mag Shocks" (5)
• Roadster Storage Bins (6)
• Quattro All Wheel Drive (Haldex)
• Front & Rear Parking Sensors
• Cruise Control
• Interior Footwell Lighting
• Tire Pressure Monitoring System (TPMS)(7)
• Summer & Winter Wheels/Tires
• Reverse Camera (Non-OEM retrofit for factory RNS-E or aftermarket headunits)

FAQ - Ultimate After-Market Head Unit Review
https://www.ttforum.co.uk/forum/viewtop ... &t=1935145

FAQ - Bose Amp Technical Information and Repair Guides
https://www.ttforum.co.uk/forum/viewtop ... &t=1889737

How To: Add a Reverse Camera to RNS-E
https://www.ttforum.co.uk/forum/viewtop ... 3&t=982377

FAQ - Factory Options, Body & Wheel Color Codes
https://www.ttforum.co.uk/forum/viewtop ... &t=1879563

How to: Audi TT Mk2 (8J) Assorted Retrofits by MT-V6
https://www.ttforum.co.uk/forum/viewtop ... 5#p9375055

Notes -

(1) Xenons are generally considered the best lighting system available for the Mk2 TT. Halogen lights can be replaced with Xenon or HID kits, however some countries have banned HID retrofitting. For European Xenon retrofits, headlight washer systems are mandatory per UNECE Regulation No. 45.
(2) In some models, DRL LED bulbs can be fitted but will require VCDS code change.
(3) Audi Navigation Plus (RNS-E) Sat-Nav is generally considered 'outdated' by current standards and many owners are replacing their factory head-units with Android-based aftermarket units. Some RNS-E units are capable of supporting after-market reverse cameras, but will require additional video components and VCDS code change.
(4) These options are generally outdated and may not support the latest Android and iOS platforms.
(5) As Mag Shocks continue to get older and start to fail, they have a much higher replacement cost than standard suspension systems. Aftermarket coil-over replacement options are available.
(6) Extra storage for Roadsters includes a 'pass through' for skis and small storage bins in the plastic panels behind the seats.
(7) North American and European TPMS use different systems to do basically the same thing; North American uses pressure sensors in the wheels/valves stems while Europeans monitor wheel diameter.


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2007 3.2 VR6 Roadster
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Discussion Starter · #5 ·

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2007 3.2 VR6 Roadster
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Discussion Starter · #6 ·
DIAGNOSTIC TOOLS

An OBD (1) device such as an OBDeleven or Ross Tech VCDS can reveal problems you can't see by just checking the oil or kicking the tires. A printed diagnostic fault scan should be requested as part of the complete vehicle service history to make sure there are no hidden or unresolved problems.

If you plan on doing any of the maintenance and services yourself, an OBD device is a valuable tool and well worth the investment.

FAQ - OBDII Scanner Reviews
https://www.ttforum.co.uk/forum/viewtop ... &t=2014603

Notes -

(1) With the growing popularity of OBD devices, there are various lists of tweaks and code changes that can be done to the Mk2 and other VAG vehicles. Be aware that the ability to re-code a vehicle depends on what options were available on that particular year and model when it rolled out of the factory. Code options on a 2007 pre-facelift will be far fewer than those on a 2013.


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Discussion Starter · #7 ·
BROCHURES & PUBLICATIONS

Given the volumes of documentation and publications that have been released over the years, these links will provide you with some of the more relevant information when trying to educate yourself about what's available by model and year; (e.g. optional features, paint colors, interiors, etc.) and some detailed information on the various mechanical and electrical systems; (e.g. Workshop Manuals and Self Study Programs).

FAQ - Owners Manuals, Parts Lists & Brochures
https://www.ttforum.co.uk/forum/viewtop ... &t=1755145

FAQ - Audi TT (8J) Workshop Manuals & Self Study Programs
https://www.ttforum.co.uk/forum/viewtop ... &t=1833829

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TECHNICAL SERVICE BULLETINS & RECALLS -

Despite the Audi Mk2 TT being a premium luxury sports car, it has had a history of various recall campaigns. While some are minor annoyances such as rattles in the A-Pillars, others such as the window regulators and timing chain tensioner have resulted in class action lawsuits (1).

The link below will provide you with a comprehensive list of TSBs. Please note that some recalls may be region-specific. For more information on recalls in your particular part of the world, run a Google search for Audi TT 8J recalls or visit your local Audi Dealership for more information.

FAQ - Technical Service Bulletins (TSB)
https://www.ttforum.co.uk/forum/viewtop ... &t=1687826

Volkswagen Timing Chain Settlement
https://timingchainlitigation.com/

REVISED Timing Chain/Timing Chain Tensioner Limited Warranty Extension
https://static.nhtsa.gov/odi/tsbs/2019/ ... 9-9999.pdf

Notes -

(1) Audi North America. Check with your local Audi Service Center for your region.


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