VW Golf manuals

Volkswagen Golf Service & Repair Manual: Checking valve guides

Special tools and workshop equipment required
   
Universal dial gauge bracket -VW 387-
 

Checking valve guides

Dial gauge -VAS 6079-
 

Checking valve guides

Test procedure
–  Insert valve in guide. Valve stem end must be flush with guide. Due to the differing stem diameters, only use inlet valves with inlet valve guides and exhaust valves with exhaust valve guides.
–  Determine rock.
Wear limit: 0.5 mm.
–  If the wear limit is exceeded, repeat the measurement with new valves.
–  Renew cylinder head if wear limit is still exceeded.
  Note
Valve guides cannot be exchanged.
 

Checking valve guides

Checking valves
–  Check for scoring on valve stems and valve seat surfaces.
–  Exchange valve if significant scoring can be seen.
Inlet and exhaust valves
...

Valve dimensions
  Note     Inlet and exhaust valves must not be reworked. Only lapping-in is permitted.   ...

Other materials:

Removing and installing rotary light switch -EX1-
  Note The removal and installation procedures are described for LHD vehicles. Removal and installation for RHD vehicles are similar. Removing –  Turn light switch to “0” position. ...

Areas exposed to stone chipping
Body areas exposed to stone chipping   Note The marked areas are exposed to stone chipping. When sanding these areas, note thicknesses of the paint structure and avoid sanding through. This is the only way to ensure long-term corrosion protection. ...

Introduction
This chapter contains information on the following subjects:  → Parking using the Park Assist system   → Driving out of a parking space with the Park Assist system (only parking spaces parallel to side of road)   → Automatic brake intervention  The Park Assist syst ...

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