Volkswagen Golf Service & Repair Manual: Checking valve guides
| Special tools and workshop equipment
required |
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| Universal dial gauge bracket -VW 387- |
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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. |
| – |
If the wear limit is exceeded, repeat the measurement with
new valves. |
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Renew cylinder head if wear limit is still exceeded. |
 Note
| Valve guides cannot be exchanged. |
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Check for scoring on valve stems and valve seat surfaces. |
| – |
Exchange valve if significant scoring can be seen. |
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Note
Inlet and exhaust valves must not be reworked. Only
lapping-in is permitted.
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Valve dimensions