VW Golf manuals

Volkswagen Golf Service & Repair Manual: Vacuum system

Vacuum pump for brake servo, diesel vehicles
Vacuum pump for 4-cylinder diesel engine (1.6 l, common rail):
The vacuum pump is installed in the oil pump.
–  Removing and installing vacuum pump/oil pump → Rep. gr.17.
Checking non-return valve
Test procedure
   
–  Carefully pull non-return valve with vacuum line -1- out of brake servo.
–  Blow small amount of air through non-return valve -1- in one direction first, then in other direction.
Air must pass through non-return valve -1- in -direction of arrow-.
The non-return valve -1- must remain closed in the opposite -direction of arrow-. If this is not the case, renew non-return valve or, if necessary, complete vacuum line.
  Note
When installing the vacuum line with non-return valve, ensure the correct installation position relative to the brake servo.
 

Checking non-return valve

Removing and installing brake master cylinder, RHD vehicles
  Note If there are problems with the brake servo, first check the brake servo vacuum system → Chapter. Special tools a ...

Removing and installing vacuum sender -G608
  Note The vacuum sender -G608- is only installed in selected petrol engines. Removing     ...

Other materials:

Removing and installing net partition mounting
      Removing –  Remove net partition → Chapter. –  Remove bolts -2-. –  Remove insert -3- and mounting -1- from ...

Removing and installing treble horn -H2- / bass horn -H7-
  Note Removal and installation are described for the left side. Removal and installation on the right side are carried out in the same way. Removing horn     –  ...

Vapour pressure
In an enclosed container that is not completely full, refrigerant evaporates as vapour at the surface in a quantity sufficient to form an equilibrium between vapour and liquid. This equilibrium develops under pressure and is often called vapour pressure. ...

© 2016-2021 Copyright www.vwgolf.org