Opel Astra, Zafira

since 1998 of release

Repair and car operation



Opel Astra
+ Opel Astra and Zafira Cars
+ Operation manual
+ Routine maintenance
+ Engine
- Systems of cooling, heating
   Specifications
   Antifreeze - general information
   - System of cooling of the engine
      Detachment and replacement of hoses of system of cooling
      Service of system of cooling (oporozhneniye, washing and filling)
      Removal, installation and check of serviceability of functioning of the thermostat
      Removal and installation of a radiator of system of cooling
      Check of serviceability of functioning, removal and installation of the fan of system of cooling
      Check of serviceability of functioning, removal and installation of electric components of a chain of management of system of cooling of the engine
      Check of a condition of the water pump
      Removal and installation of the water pump
   + Systems of ventilation, salon and air conditioning heating
+ Power supply system and release
+ engine Electric equipment
+ Manual transmission
+ Automatic transmission
+ Coupling and power shafts
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment




Removal and installation of the water pump

Removal

Petrol models

 PERFORMANCE ORDER

  1. Disconnect a negative wire from the battery (see. Head engine Electric equipment).
  2. Empty cooling system (see. Head Routine maintenance).
  3. Remove a gas-distributing belt with a tension roller, on the DOHC models remove a back cover of a belt (see. Head Engine).
  1. Where it is required, mark the provision of a landing flange of the pump concerning a block surface, then turn out three bolts of fastening of the water pump (1).
  1. Take the pump from the landing nest in the block (engines of 1.6 l of SOHC and 2.0 l of DOHC), or remove it from the block (engines 1.4, 1.6 and 1.8 of l of DOHC), - in case of need обстучав it previously a hammer with soft brisk.
  2. Remove a sealing ring of the pump, - at installation it is subject to replacement without fail.

The pump is not subject to regenerative repair and in case of failure is replaced with the new.

Diesel models

 PERFORMANCE ORDER

  1. Cock the parking brake, поддомкратьте the car and establish it on props. At the corresponding complete set remove protection of a case.
  2. Disconnect a negative wire from the battery (see. Head engine Electric equipment).
  3. Remove a protective casing of the engine and empty cooling system (see. Head Routine maintenance).
  4. Remove an air purifier assembled with the sensor of a measuring instrument of weight of air and an inlet air line (see. Head of the Power supply system and release).
  5. On engines of 1.7 l of DOHC and 2.0 l remove a belt of a drive of auxiliary units (see. Head Routine maintenance), - before removal of a driving belt weaken bolts of fastening of a pulley of the pump.
  6. On engines of 1.7 l of SOHC and 2.0 l remove a gas-distributing belt with a tension roller (see. Head the Engine), - this operation demands posting of the power unit and removal from the block of cylinders of the right support of its suspension bracket with the arm.
  1. On engines of 1.7 l of DOHC and 2.0 l, holding a pulley of the pump motionlessly (use a key for removal of the oil filter, or an old driving belt), turn out fixing bolts and remove a pulley from a driving flange of the pump.
  1. Turn out bolts of fastening of the water pump.

    A — Bolts of fastening of the water pump on models of 1.7 l of DOHC
    B — Bolts of fastening of the water pump (2) on models of 2.0 l

A.

B.
  1. Take pump assembly from the landing nest in the block (engines of 1.7 l) / covers of a gas-distributing chain (engines of 2.0 l - see an illustration), in case of need обстучав it previously a hammer with soft brisk.
  1. Remove sealing a laying / ring, - at installation the sealing element is subject to replacement without fail.

The pump is not subject to regenerative repair and in case of failure is replaced with the new.

Installation

Installation is made as it should be, the return to an order of dismantle of components.

 PERFORMANCE ORDER

  1. Track, that interfaced surface of components before installation were smoothed carefully out and are dry wiped. On petrol models track correctness of combination of the landing labels put in the course of dismantle / regular adjusting labels. Fixing bolts tighten with demanded effort.

Before installation it is necessary to grease a sealing ring with silicone greasing slightly.

  1. In summary make filling of system of cooling and air removal from it (see. Head Routine maintenance), connect a negative wire to the battery, start the engine and check it on existence of signs of development of leakages of cooling liquid.