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:

On a regulated roller dynamometer with contra-rotating rollers for four-wheel drive vehicles
  Note The brake test must be performed on a controlled contra-rotating single-axle roller dynamometer for four-wheel drive vehicles. “Contra-rotating” means that the dynamometer rollers of the single-axle roller dynamom ...

Special driving situations
Fig. 170 A: vehicle in a bend B: motorbike in front is outside the range of the radar sensor Fig. 171 C: vehicle is changing lanes. D: turning vehicle, stationary vehicle First read and observe the introductory information and safety warnings The Adaptive Cruise Control (ACC) has physica ...

Various securing systems
Fig. 77 On the rear seats: figures Ⓐ and Ⓑ illustrate the main securing points for the child restraint system on the lower retaining rings and top tether. Figure Ⓒ shows how to secure the child restraint system using the vehicle seat belt First read and observe the introductory informa ...

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