Audi A4


Audi A4 (AEB,ATW) Cylinder Head Bolts, Converting to Polydrive

Audi A4 (AEB,ATW) Cylinder Head Bolts, Converting to Polydrive

Cylinder Head Bolts, Converting to Polydrive Audi A4 Conversion of cylinder head bolts from inner 12-point to Polydrive bolts. Conversion is a running-change A - Bolt with inner 12-point (old version). Remove and install using socket insert 3410 B - Bolt with Polydrive head (new version). Remove and install using Polydrive key 3452 Note Before removing or installing the cylinder head bolts, check which version of the bolt is installed. Special tool B is inserted in a socket ins..

Audi A4 (AEB,ATW) Cylinder Head, Removing and Installing

Audi A4 (AEB,ATW) Cylinder Head, Removing and Installing

Cylinder Head, Removing and Installing Audi A4 Note Replace cylinder head bolts. Always replace self-locking nuts, bolts as well as gaskets and Orings. After installing a replacement cylinder head with camshafts attached, grease contact surfaces between valve lifters and cam lubricating surfaces. Do not remove plastic covers protecting exlied valves until immediately before installing cylinder head. When replacing the cylinder head or cylinder head gasket, coolant must be completely r..

Audi A4 (AEB,ATW) Engine, Disassembling and Assembling

Audi A4 (AEB,ATW) Engine, Disassembling and Assembling

Engine, Disassembling and Assembling Audi A4 Go to article “ Lock Carrier, Moving into Service liition ” Audi A4 Go to article “ Ribbed Belt for Power Steering Pump, Generator and Viscous Fan, and Coolant Pump V-Belt ” Audi A4 Go to article “ Ribbed Belt for A/C ” Audi A4 Go to article “ V-Belt and Ribbed Belt, Routing Overview ” Audi A4 Go to article “ Ribbed Belt, Removing and Installing ” Audi A4 Go to article “ V-Belt, Removing and Installing ” ..

Audi A4 (AEB,ATW) Engine, Removing and Installing

Audi A4 (AEB,ATW) Engine, Removing and Installing

Engine, Removing and Installing Audi A4 Safety Precautions WARNING Make sure the ignition is switched OFF before: Disconnecting the battery Ground (GND) strap. Disconnecting the ignition wires. Disconnecting the fuel injection system wiring. Connecting or disconnecting test equipment leads. Washing the engine or engine compartment. Caution Before disconnecting the battery: Stop the engine. Determine the correct coding for the anti-theft radio. Switch the ignition off (also applies whe..

Audi A4 (AEB,ATW) Exhaust System Components, Removing and Installing

Audi A4 (AEB,ATW) Exhaust System Components, Removing and Installing

Exhaust System Components, Removing and Installing Audi A4 WARNING Do not re-use any fasteners that are worn or deformed in normal use. Some fasteners are designed to be used only once, and are unreliable and may fail if used a second time. This includes, but is not limited to, nuts, bolts, washers, circlips and cotter pins. Always follow the recommendations in this manual-replace these fasteners with new parts where indicated, and any other time it is deemed necessary by inspection. No..

Audi A4 (AEB,ATW) Lubrication System Components, Removing and Installing

Audi A4 (AEB,ATW) Lubrication System Components, Removing and Installing

Lubrication System Components, Removing and Installing Audi A4 WARNING Do not re-use any fasteners that are worn or deformed in normal use. Some fasteners are designed to be used only once, and are unreliable and may fail if used a second time. This includes, but is not limited to, nuts, bolts, washers, circlips and cotter pins. Always follow the recommendations in this manual-replace these fasteners with new parts where indicated, and any other time it is deemed necessary by inspection. ..

Audi A4 (AEB,ATW) Pistons and Connecting Rods, Disassembling and Assembling

Audi A4 (AEB,ATW) Pistons and Connecting Rods, Disassembling and Assembling

Pistons and Connecting Rods, Disassembling and Assembling Audi A4 Nut for connecting rod bolt 30 Nm plus 1/4 turn (90°) Always replace connecting rod bolt Item Grease thread and contact surface To measure radial play, tighten to 30 Nm but no further Pressure relief valve Tightening torque: 27 Nm Opening pressure: 2.5-3.2 bar Oil spray nozzle For piston cooling Connecting rod bearing cap Mark B to indicate which cylinder each cap belongs to Installed liition: Marks A poin..

Audi A4 (AEB,ATW) Sealing Flange and Flywheel/Drive Plate, Removing and Installing

Audi A4 (AEB,ATW) Sealing Flange and Flywheel/Drive Plate, Removing and Installing

Sealing Flange and Flywheel/Drive Plate, Removing and Installing Audi A4 Note Servicing clutch: Manual Transmission Rep. Gr. 30 Clutch Mechanism, Servicing Oil seal To remove, remove oil seal carrier Item Install using 10-203 Lightly oil lip of seal Woodruff key Check for proper installation Connecting bolt 25 Nm Front oil seal flange Before installing oil pan, spread sealant AMV174 004 01 on joint between oil seal flange and cylinder block. Gasket Always replace C..

Audi A4 (AEB,ATW) Secondary Air System, Engine Code ATW, Checking

Audi A4 (AEB,ATW) Secondary Air System, Engine Code ATW, Checking

Secondary Air System, Engine Code ATW, Checking Audi A4 Following a cold start, the secondary air system helps to quickly heat the catalytic converter for quicker operating readiness.PrincipleDue to over-enrichment of the mixture during the cold start phase, there is an increased amount of uncombusted carbon monoxide in the exhaust. Secondary Air Injection (AIR) improves secondary oxidation in the catalytic converter and therefore reduces emissions. The heat produced by secondary oxidation g..

Audi A4 (AEB,ATW) Technical Data

Audi A4 (AEB,ATW) Technical Data

Technical Data Audi A4 Go to article “ Engine Identification ” Audi A4 Go to article “ Engine Specifications ” Audi A4 ..




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