Audi A4, S4

since 2000 release

Repair and operation of the car


Audi A4, S4
+ Introduction
+ Governing bodies and methods of safe operation
+ Current leaving and service
+ Engine
- Cooling systems, heating and air conditioner
   - Cooling system
      General information
      Antifreeze - a security measure from freezing
      Replacement of cooling liquid
      Removal and installation of the thermostat
      Check of the thermostat
      Replacement of hoses of the cooling system
      Removal and installation of a radiator
      Removal and installation of the fan of a radiator
      Removal and installation of the pump of cooling liquid
   + Systems of ventilation, heating and air conditioning
+ Power supply systems, release and decrease in toxicity of the fulfilled gases
+ Systems of electric equipment of the engine
+ Manual box of gear shifting
+ Automatic transmission
+ Coupling, power shafts and differential
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment





Removal and installation of the pump of cooling liquid

4-cylinder engines

Removal

Laying and sealing rings are surely replaced.

The lower cover of a gear belt is not removed. The gear belt remains on a pulley of a cranked shaft. For protection against hit of cooling liquid close a gear belt.

 PERFORMANCE ORDER

  1. Close a gear belt before removal of the pump of cooling liquid a rag to exclude hit on a belt of cooling liquid.
  2. Merge cooling liquid, address to appropriate section.
  3. Take off maple a belt, address to the Section Removal and installation of a belt of the drive of auxiliary units.
  4. Unscrew three screws of fastening of a tension element.
  5. Remove the top and central cover of a gear belt, address to the Section Removal and installation of a gear belt.
  6. Take off a gear belt from a wheel of the pump of cooling liquid, address to the Section Removal and installation of a gear belt.
  1. Turn out bolts (arrows on an accompanying illustration) and take out the pump of cooling liquid from the block of cylinders.

Installation

 PERFORMANCE ORDER

  1. Moisten a new sealing ring (3) cooling liquid and insert it into the block of cylinders.
  1. Insert the pump into the block of cylinders and fix it bolts (1) moment 15nm.
  2. Establish a gear belt and adjust gas distribution phases, address to the Section Removal and installation of a gear belt.
  3. Establish a tension element of a maple belt and fix it the moment 25nm.
  4. Establish maple a belt, address to the Section Removal and installation of a belt of the drive of auxiliary units.
  5. Fill system with cooling liquid. Address to the Section Replacement of Cooling Liquid.