Audi A4, S4
Introduction
Controls and receptions of safe operation
- Current leaving and service
   Specifications
   The indicator of term of approach of maintenance service
   The routine maintenance schedule
   The general information on adjustment
   Check of levels of liquids, the control of leaks
   Check of a condition of tyres and pressure in them. A designation of tyres and disks of wheels. Rotation and replacement of wheels
   Replacement of impellent oil and the oil filter
   Checks of brake system. Adjustment of a lay brake
   Check of fuel system
   Check of a condition and replacement of hoses of an impellent compartment, localisation of leaks
   Check of a condition of ridge belts of a streaming drive of auxiliary units
   Check of functioning of system of cooling and frost resistance of a cooling liquid
   Check of a condition of system of release of the fulfilled gases
   Check of level of oil of automatic transmission
   The visual control of a box of a gear change and the main transfer on leaks, check of level and oil addition
   Check of a condition a suspension bracket and steering component
   Check of a condition of protective covers of power shafts
   Check of level of a liquid of system of hydrostrengthening of a wheel
   Check of a central air of air
   Greasing of terminators of doors, cylinders of locks, cowl hook, сдвижной panels of the hatch of a roof
   The visual control of a seat belt and the block of a pillow of safety
   Check of working capacity of headlights and horn
   Condition check, adjustment and replacement of brushes of screen wipers
   Check of a condition of the battery, care it and gymnastics
   Replacement of the battery of emergency supply of system Telematik
   Replacement of an element of the filter of air of salon / the coal filter of clearing of air
   Replacement of a brake liquid
   Check and replacement of spark plugs. Check of a condition of high-voltage wires
   Replacement of an element of the air filter of the engine
   Replacement of the fuel filter
   Check of a condition and tension of a gear belt
The engine
Systems of cooling, heating and the air conditioner
Power supply systems, release and decrease in toxicity of the fulfilled gases
Systems of an electric equipment of the engine
Manual box of a gear change
Automatic transmission
Coupling, power shafts and differential
Brake system
Suspension bracket and steering
Body
Onboard electric equipment




Replacement of the fuel filter

Gasoline and дизтопливо are extremely inflammable, therefore at work with any components of fuel system it is necessary to accept special safety measures. Do not smoke and do not come nearer to a place of work with open fire or the redurable not protected by a lamp shade. Do not make such works in the garages equipped with heating devices, working on natural gas (such, as водогреи, dryers, etc.). The working platform should be ventilated well. At gasoline hit on a skin immediately wash off its water with soap. At carrying out of any works with fuel system put on goggles and hold near at hand the fire extinguisher.

Petrol engines

Replacement procedure is described in Section Removal and installation of the fuel filter.

Diesel engines

Replacement of the fuel filter. The diesel engine of 1.9 l

Replacement of the fuel filter. The diesel engine of 2.5 l

 PERFORMANCE ORDER

    Remove lock скобу (5) and the adjusting valve (2) with the attached fuel hoses. Disconnect from branch pipes fuel hoses (3) and (4). Ослабьте a collar on the holder (1) also take out the filter from the holder. Fill the new filter with pure diesel fuel. Thanks to it it will be faster possible to start the engine. Insert the filter in the holder, displace it downwards and tighten a collar. Insert the adjusting valve with the attached hoses. Thus watch correct position of a sealing ring in the filter case. Establish on the adjusting valve lock скобу. Put on hoses connecting branch pipes. Fix hoses collars. Start the engine. Thus air from fuel system leaves. Visually check up fuel system on tightness.