After car crash and airbag deployment, VW-Audi airbag sensor can by locked (Control unit faulty or deployed) and must be replaced. Even after small accident Airbag sensor will write in internal memory special error message “crash data stored” or “computer fault” and after you need to exchange very expensive sensor to new one. With our VAG Airbag Reset Tool you can reset and repair airbag computer in your office in 1 minute. No need to remove airbag sensor from the car.
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Before beginning repairs on the electrical system: Obtain the anti-theft radio security code. Switch the ignition off. Disconnect the battery Ground (GND) strap. On vehicles equipped with Audi Telematics by OnStar , switch-off the emergency (back-up) battery for the Telematic/Telephone Control Module prior to disconnecting vehicle battery Repair Manual, Communication, Repair Group 01 .
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Technical: 4.2 liter DOHC aluminum alloy 450 hp 90 degree biturbo V8 engine, 5-valves per cylinder, direct ignition system, roller camshaft followers, variable intake camshaft timing – 5-speed HP-24 automatic transmission with Tiptronic® (steering wheel control) and DSP (selects from over 200 shift programs to match driver needs), hill detection capability and new “Sport-mode” setting – ESP 5.7 – Electronic Stabilization Program with break assist quattro® IV – permanent all-wheel drive system, includes Torsen® TORque SENsing center differential – Anti-lock Brake System (ABS 5.7) with front and rear Electronic Differential Locks (EDL) and Electronic Brake-force Distribution (EBD) – CFC-free (ChloroFlouroCarbon) air conditioning refrigerant – Fully galvanized steel unibody construction with aluminum hood and front fenders
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Covers Audi A4 models builtontheAudi “B5″ platform. Doesnot include AudiS4(sports model). This manual has been prepared using selected factory service information with the added benefit of suggestions tips and clarification of various procedures. Bentley repair manuals provide clear andcomprehensive service and repair procedures.
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Instructions:
• Ignition ‘Off’.
• Plug into car socket.
• Select program.
• Ignition ‘On’.
• Press memory key.
• LED ‘Off’ comes on again after approx. 10 seconds.
• Ignition ’Off’ + ‘On’.
• Car display cleared
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This procedure is required if keys are lost, a replacement Engine Management ECM is fitted, new or additional ignition (transponder) keys needs to be matched to the vehicle. When transponder (ignition) keys are matched to the vehicle the key data is stored in the memory of the immobiliser ECU and used to recognise and validate the ignition keys. The matching of ignition (transponder) keys to a particular vehicle requires the use of the following functions: Login ECM and Adaptation. The Login ECM function enables the technician to enter the 5 or 7 digit login code. A valid login code must be entered in order to program new ignition (transponder) keys for all VAG cars. The Adaptation function enables the technician to adapt new and additional ignition (transponder) keys.
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This manual concerns about the step for removing and installing the fuel pump for 2004 Audi A4 L4-1.8L Turbo (AMB) vehicle.
Removing And Installing Fuel Pump
CAUTION: To remove the Fuel Pump (FP), the fuel tank may only be filled to a maximum of 3/4. Empty fuel tank if necessary.
Empty fuel tank
Observe safety precautions.
Observe rules for cleanliness.
CAUTION: Observe safety precautions when disconnecting the battery.
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Vehicle Application: 2003 Audi A4 1.8L, Vin C, Turbo, Eng Cfg L4, Eng Des AMB
Customer Concern: Unstable Idle, Multiple codes P1136 Bank 1 Mixture adaptation Additive Range System To Lean P1297 Connection Charger to Throttle Valve Loss Of Pressure P0300, P0301, P0302, P0303, P0304 Misfire codes P1479 Brake Booster Vacuum Supply Malfunction
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Hot steam can escape from the expansion tank when the filler cap is opened. Cover the filler cap with a cloth and unscrew it carefully. Note: When the engine is hot the cooling system is under pressure. Carefully open filler cap on expansion tank to release pressure before starting repair work. Hoses are secured with spring-type clips. When repairing only use spring-type clips. VAG 1921 pliers are recommended when installing spring-type clips. The O-rings installed at the quick-release connections must be replaced if damaged or leaking. When installing coolant hoses, make sure that they are free of stress and do not come into contact with other components (observe markings on coolant connection and hose). Perform leak test on cooling system with cooling system tester VAG 1274 and adapter VAG 1274/8.
Cooling system components (on body), removing and installing
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Obtain radio code before disconnecting battery. For help in identifying components and component locations:
Removal (Lower Pan- A4 & A6)
1. Disconnect negative battery cable.
2. Remove engine noise insulator (undercover). See Fig. 12 . Drain engine oil.
3. Unbolt left and right swaybar stabilizer bracket bolts (4) from mounting bracket. See Fig. 98 . Lower swaybar stabilizer not more than 10cm (3.94 INCHES) and secure with heavy wire.
4. If vehicle is equipped with automatic transmission, unbolt oil cooler pipe (line) bracket from right side oil pan.
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