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:

Preparing body flange for fitting
  WARNING Keep bonding surface free of dirt and grease. Do not treat bonding surface with activator immediately after cutting back. Do not prime. Do not treat with cleaning solution. ...

Leaks at shock absorbers
Shock absorbers are often replaced because of externally visible leakage. Inspections on the test rig and in the vehicle have shown that in the majority of cases this replacement is not justified. Slight loss of fluid (“sweating”) at ...

Removing and installing eyelet for net partition
Special tools and workshop equipment required         Removal wedge -3409- Removing Eyelet for net partition, without rear reading light ...

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