Volkswagen Golf Service & Repair Manual: Checking valve guides

Volkswagen Golf Service & Repair Manual / 4- cylinder injection engine(1.4 1 direct inction. turbocharger) / Engine cylinder head, valve gear / Inlet and exhaust valves / 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.

Valve dimensions

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

Other materials:

Removing and installing coolant pipes at heat exchanger (Denso)
Note There are different designs and makes of heater and air conditioning unit. The individual components of the various heaters and air conditioning units are similar but not identical (distinguishing features → Chapter). The c ...

Removing and installing switch module in centre console -EX23-/-EX30-
Special tools and workshop equipment required Removal wedge -3409- Caution Danger of damage to component surfaces. ...

Replacing the battery
Fig. 25 Vehicle key: opening the battery case cover Fig. 26 Vehicle key: removing the battery First read and observe the introductory information and safety warnings Volkswagen recommends having the battery changed by a qualified workshop. The battery is located on the rear side of the ...