Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
External Pages
's manual. Be very cautious using repair info from here because these pages may not apply to your vehicle. Different car Section 1 (Firing Order & Cylinder Identification) Section 2 (Fluid Capacity Tables) Section 3 (Fluid Capacity Tables) Section 4 (S TRONIC Transmission Internal Components - General & Technical Data) Section 5 (4.0L - Engine Mechanical & Ignition - General & Technical Data - Engine Code(S): CEUC & CRDB) Section 6 (3.0L - Engine Mechanical, Fuel Injection & Glow Plug - General & Technical Data - Engine Code: CPNB) Section 7 (3.0L - Fuel Supply System - General & Technical Data - Engine Code: CPNB) Section 8 (S TRONIC Transmission - General & Technical Data) Section 9 (Fluid Capacity Tables) Section 10 (4.0L - Turbocharger & Supercharger - Engine Code(S): CEUC & CRDB) Section 11 (3.0L - Turbocharger & Supercharger - Engine Code: CPNB) Section 12 (3.0L - Generic Scan Tool - Engine Code: CTUA (1 Of 2)) Section 13 (3.0L - Generic Scan Tool - Engine Code: CTUA - Transmission DTC Tables & Diagnostic Procedures) Section 14 (4.0L - Cooling System - Engine Code(S): CEUC & CRDB) Section 15 (4.0L - Exhaust System & Emission Controls - Engine Code(S): CEUC & CRDB) Section 16 (3.0L - Exhaust System & Emission Controls - Engine Code: CPNB) Section 17 (4.0L - Engine Assembly - Engine Code(S): CEUC & CRDB) Section 18 (3.0L - Engine Assembly - Engine Code: CPNB) Section 19 (3.0L - Cooling System - Engine Code: CPNB) Section 20 (Front Suspension) Section 21 (3.0L - Fuel Supply - Engine Code: CPNB) Section 22 (S TRONIC Transmission - Controls & Housing) Section 23 (S TRONIC Transmission Internal Components - Controls & Housing) Section 24 (Clutch) Section 25 (Communication) Section 26 (4.0L - MULTIPORT Fuel Injection - Engine Code(S): CEUC & CRDB) Section 27 (4.0L - Crankshaft & Cylinder Block - Engine Code(S): CEUC & CRDB) Section 28 (3.0L - Crankshaft & Cylinder Block - Engine Code: CPNB) Section 29 (4.0L - Lubrication - Engine Code(S): CEUC & CRDB) Section 30 (3.0L - Lubrication - Engine Code: CPNB) Section 31 (3.0L - Diesel Fuel Injection - Engine Code: CPNB) Section 32 (Final Drive & Differential - S TRONIC Transmission Internal Components) Section 33 (Final Drive & Differential - S TRONIC Transmission) Section 34 (Gears & Shafts - S TRONIC Transmission Internal Components) Section 35 (3.0L - Ignition/Glow Plug System - Engine Code: CPNB) Section 36 (3.0L - Cylinder Head & VALVETRAIN - Engine Code: CPNB) Section 37 (4.0L - Cylinder Head & VALVETRAIN - Engine Code(S): CEUC & CRDB) Section 38 (4.0L - Ignition/Glow Plug System - Engine Code(S): CEUC & CRDB) Section 39 (Fuel Injection System (Gasoline - Service Information - 4.0L - CEUC, CRDB, CTGE, CWUB, CWUC)) Section 40 (Fuel Injection System (Gasoline - Service Information - 3.0L - CREC, CREH)) Section 41 (Engine Cooling System (Service Information - 4.0L - CEUC, CRDB, CTGE, CWUB, CWUC)) Section 42 (Engine Cooling System (Service Information - TDI 3.0L - CPNB)) Section 43 (Engine Cooling System (Service Information - 3.0L - CREC, CREH)) Section 44 (Front Suspension System (Service Information)) Section 45 (Engine System (Assembly - Service Information - 3.0L - CREC, CREH)) Section 46 (Engine System (Assembly - Service Information - 4.0L - CEUC, CRDB, CTGE, CWUB, CWUC)) Section 47 (Engine System (Assembly - Service Information - TDI 3.0L - CPNB)) Section 48 (Steering System (General & Service Information)) Section 49 (Wheels & Tires System (General Information & Technical Data)) Section 50 (Exterior Bumpers System (Service Information)) Section 51 (Exterior Equipment System (Service Information)) Section 52 (Wheels & Tires System (General & Service Information)) Section 53 (Exterior Lighting System (Service Information)) Section 54 (Self-Leveling Suspension System (Service Information)) Section 55 (Body Front System (Service Information)) Section 56 (Brake System Mechanical Components (Service Information)) Section 57 (Antilock Brake System (Service & General Information)) Section 58 (Differential System (General & Service Information - Rear Final Drive 0B5A, 0BKA Sport Differential)) Section 59 (Final Drive System & Transmission System (General Information - 0B5A, 0BKA - 2 Of 2)) Section 60 (Exhaust System & Emission Controls System (Service Information - 4.0L - CEUC, CRDB, CTGE, CWUB, CWUC)) Section 61 (Exhaust System & Emission Controls System (Service Information - 3.0L - CPNB)) Section 62 (Exhaust System & Emission Controls System (Service Information - 3.0L - CREC, CREH)) Section 63 (Interior Trim System (Service Information)) Section 64 (Rear Suspension System (Service Information)) Section 65 (Wheels & Tires System (General & Technical Specifications)) Section 66 (Electrical System (Precautions & General Information)) Section 67 (Fuel Injection System (Diesel - General & Service Information - TDI 3.0L - CPNB)) Section 68 (Fuel Injection System (Diesel - Service Information - TDI 3.0L - CPNB)) Section 69 (System Wiring (General Information)) Section 70 (Front Doors System & Central Locking System (Service Information)) Section 71 (Rear Doors System (Service Information)) Section 72 (System Wiring (General & Service Information)) Section 73 (Communication System (Service Information)) Section 74 (Interior Lighting System (General & Service Information)) Section 75 (Interior Equipment System (Service Information)) Section 76 (Supplemental Restraint System (Service Information)) Section 77 (Transmission Controls System (Service & Specification Information - 7-Speed Dual Clutch - 0B5)) Section 78 (Transmission Controls System (Service Information - 7-Speed Dual Clutch - 0B5)) Section 79 (Differential System (General & Service Information - 0B5A, 0BKA)) Section 80 (Seat Upholstery & Covers System (Service Information)) Section 81 (Supplemental Restraint System (General & Specification Information)) Section 82 (Seat Frame System (Service Information)) Section 83 (Engine Lubrication System (Service Information - 4.0L - CEUC, CRDB, CTGE, CWUB, CWUC)) Section 84 (Engine System (Cylinder Head & VALVETRAIN - Service Information - 4.0L - CEUC, CRDB, CTGE, CWUB, CWUC)) Section 85 (Engine System (Crankshaft & Cylinder Block - Service Information - 4.0L - CEUC, CRDB, CTGE, CWUB, CWUC)) Section 86 (Transmission Controls System (Service Information - 8-Speed - 0BK)) Section 87 (Turbocharger System (Service Information - 4.0L - CEUC, CRDB, CTGE, CWUB, CWUC)) Section 88 (Charging System (General Information)) Section 89 (Electrical System (General Information - Battery, Starter, Generator, Cruise Control)) Section 90 (Climate Control System (Service Information 1 Of 2)) Section 91 (Climate Control System (Service Information 2 Of 2)) Section 92 (Climate Control System (General & Service Information - Refrigerant R1234YF Servicing 1 Of 2)) Section 93 (Climate Control System (Refrigerant R134A Servicing)) Section 94 (Climate Control System (General & Service Information - Refrigerant R134A Servicing 1 Of 2)) Section 95 (Transmission System (Clutch - Service Information - 7-Speed Dual Clutch - 0B5 - 2 Of 2)) Section 96 (Transmission System (Clutch - Service Information - 7-Speed Dual Clutch - 0B5 - 1 Of 2)) Section 97 (Engine System (Crankshaft & Cylinder Block - Service Information - TDI 3.0L - CPNB)) Section 98 (Engine System (Crankshaft & Cylinder Block - Service Information - 3.0L CREC, CREH)) Section 99 (Engine System (Precautions & General Information - 3.0L - CREC, CREH)) Section 100 (Maintenance System (General & Service Information - 2 Of 2)) Section 101 (Transmission System & AWD System (General Information - 0BKA, 0BK)) Section 102 (Final Driv
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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