Valve guides, removing and installing
WARNING: This page does not describe the selected car, but rather 26 other vehicles, including the 2002 Volkswagen Cabrio, 2001 Volkswagen Cabrio, 2000 Volkswagen Cabrio, 1999 Volkswagen Jetta, and 1999 Volkswagen Golf. However, it is still accessible from the selected car via links, so may be relevant.
- Clean and check cylinder head. Do not replace guides in cylinder heads with valve seats that can no longer be reworked and cylinder heads that have already been machined to the minimum dimension.
- Press worn valve guides out from camshaft side with 3121 drift.
- If valve guide has shoulder (replacement guides) press out guides from the combustion chamber side.
- Lubricate new guides with oil.
- Press into cold cylinder head from camshaft side up to shoulder using 3121 drift.
CAUTION:
After shoulder makes contact DO NOT increase pressure over 1.0 t. Otherwise the shoulder can break off.
- Ream valve guide to size using 3120 reamer and proper cutting lubricant.
- Reface valve seats, see VALVE SEATS, REFACING .