Vehicle Segment:
Compact premium sports car / coupe-convertible
Target Audience:
Enthusiasts, performance-oriented drivers, owners seeking detailed DIY repair information
Key Competitors:
BMW Z4, Porsche Boxster, Nissan 350Z, Mercedes-Benz SLK-Class
Design Philosophy:
Second-generation TT introduced a bolder, more muscular design with Audi's signature Singleframe grille and advanced technologies.
Platform:
VW Group A5 (PQ35) platform, shared with Golf Mk5, A3 (8P), Tiguan
Body Styles:
2-door Coupe, 2-door Roadster
Engine Mechanical:
Engine assembly, cylinder head, pistons, crankshaft, camshafts, timing components (belt/chain), lubrication system
Engine Management:
Fuel injection, ignition system, emissions control, turbocharging, engine control module (ECM) diagnostics and component testing
Transmission Manual:
Clutch, gearbox internal components, shift mechanism, maintenance and repair
Transmission Automatic:
DSG (Direct Shift Gearbox) operation, internal components, mechatronics unit, maintenance and repair
Drivetrain:
All-wheel drive (Quattro) system, Haldex clutch, driveshafts, differentials, CV joints
Suspension:
Front and rear suspension components, McPherson struts, control arms, anti-roll bars, shock absorbers, springs, hub assemblies
Steering:
Power steering system (hydraulic or electric), steering rack, tie rods, steering column
Brakes:
Brake system components (discs, pads, calipers, master cylinder, ABS unit, ESP control), brake fluid specifications and bleeding procedures
Electrical System:
12V battery system, charging system (alternator), starting system (starter motor), lighting, fuses, relays
Body And Chassis:
Body construction, panel removal and installation, door mechanisms, convertible top operation (if applicable), structural components
Climate Control:
HVAC system (heating, ventilation, air conditioning), refrigerant, compressor, evaporator, heater core
Infotainment:
Radio, navigation, speaker system troubleshooting and component replacement
Safety Systems:
Airbag system, seatbelt pretensioners, sensor diagnostics and replacement
Routine Maintenance:
Oil changes, filter replacements (oil, air, cabin), spark plug replacement, fluid checks and top-offs
Repair Procedures:
Step-by-step guides for component removal, installation, and adjustment
Troubleshooting:
Diagnostic flowcharts, common symptom analysis, fault code interpretation
Wiring Diagrams:
Detailed electrical schematics for all vehicle systems
Specifications:
Torque values, clearances, fluid capacities, electrical parameters
Diagnostic Tools:
Information on required specialized tools and diagnostic equipment (e.g., VCDS)
Depth:
Comprehensive: Covers everything from basic maintenance to complete engine and transmission overhauls, including in-depth electrical diagnostics and component-level repair.
Length:
Coupe: 4108 mm (161.7 in), Roadster: 4122 mm (162.3 in)
Width:
1819 mm (71.6 in) (excluding mirrors)
Height:
Coupe: 1343 mm (52.9 in), Roadster: 1351 mm (53.2 in)
Wheelbase:
2592 mm (102.0 in)
Front Track:
1534 mm (60.4 in)
Rear Track:
1518 mm (59.8 in)
Seating Capacity:
2+2 (rear seats are very small)
Trunk Volume Coupe:
Approx. 290 liters (10.2 cu ft)
Trunk Volume Roadster:
Approx. 200 liters (7.1 cu ft)
Curb Weight Manual:
Approx. 1350-1400 kg (2976-3086 lbs)
Curb Weight Dsg:
Approx. 1375-1425 kg (3031-3142 lbs)
NHTSA Overall Rating:
Not specifically rated for 2006 TT in the same manner as modern vehicles, but generally considered safe for its class.
IIHS Rating:
Likely received good ratings in frontal and side impact tests where applicable.
Traction Control:
Standard (ASR - Anti-Slip Regulation)
Electronic Stability Control:
Standard (ESP - Electronic Stability Program)
Antilock Brakes:
Standard (ABS - Anti-lock Braking System)
Airbags:
Front airbags, side airbags (integrated into seats), optional rollover protection for Roadster
Seatbelts:
Three-point seatbelts with pretensioners
Rollover Protection:
Automatic pop-out rollover bars for Roadster model
Audio System:
Standard Audi Concert/Symphony radio, optional Bang & Olufsen sound system. CD player, AM/FM tuner.
Navigation:
Optional Audi Navigation Plus system with MMI (Multi Media Interface) control.
Parking Sensors:
Optional rear parking sensors (Audi parking system).
Cruise Control:
Standard or optional, depending on trim level.
Bluetooth:
Optional Bluetooth mobile phone preparation.
Auxiliary Input:
Standard auxiliary audio input (3.5mm jack) on most models.
Oil Change Interval:
Typically 10,000 miles or 1 year, whichever comes first. Consult manual for specific driving conditions.
Maintenance Schedule Overview:
Includes scheduled checks of brakes, suspension, steering, exhaust, fluid levels, and filter replacements at various mileages/time intervals.
Engine Oil Type:
SAE 5W-40 Synthetic; API SN/SM/SL or ACEA C3 compliant (e.g., VW 502 00 / 505 00 / 504 00 / 507 00)
Coolant Type:
G12++ or G13 (Pink/Purple) Antifreeze/Coolant (Ethylene Glycol based)
Brake Fluid Type:
DOT 4, Low Viscosity (LV)
Transmission Fluid Manual:
G 052 171 A2 (or equivalent GL-4/GL-5 manual transmission fluid)
Transmission Fluid Dsg:
G 052 182 A2 (DSG Fluid for 6-speed dry clutch) or G 052 529 A2 (DSG Fluid for 6-speed wet clutch, depends on specific build date)
Power Steering Fluid:
G 004 000 M2 (Green, hydraulic fluid) or electric power steering fluid (specific type based on system)
Timing Chain Tensioner:
Potential for premature wear or failure on earlier 2.0 TFSI engines, requiring replacement. Manual will detail inspection and replacement.
Dsg Mechatronics Unit:
Can develop issues leading to shifting problems or errors. Manual covers diagnostics and potential repair/replacement.
Oil Consumption:
Some 2.0 TFSI engines may exhibit higher than average oil consumption due to piston ring design. Manual will provide oil level checking procedures.
Water Pump Failure:
Plastic impeller water pumps can fail over time, leading to coolant leaks and overheating. Manual details replacement procedures.
Audi Legacy:
Audi, a pioneer in automotive engineering and design, known for its Quattro all-wheel-drive system and premium offerings.
First Generation Tt:
The first generation (Type 8N, 1998-2006) established the TT as a design icon with its Bauhaus-inspired rounded styling.
Second Generation Introduction:
The second generation (Type 8J) debuted at the 2005 Frankfurt Motor Show, launching for the 2006 model year. It featured a more angular design, a revised platform, and updated powertrains.
Manufacturing Location:
Gyor, Hungary
Production Years Mk2:
2006-2014