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| -T20066- Reamer and cutting fluid |
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| Clean and check cylinder head. Cylinder heads in which the valve seats can no longer be reworked, or cylinder heads which have already been machined to the minimum dimension, should not have the valve guides replaced. |
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| Unseat the worn valve guides with -T20035- on the camshaft side (valve guides with collar -only for renewals- on the combustion chamber side). |
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| Press in new guides, moistened with oil, from camshaft side onto shoulder in cold cylinder head using drift -T20035-. |
Note! | When the shoulder on guide makes contact, the pressure must not exceed 1.0 t otherwise shoulder may break off. |
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| Ream guides out with hand reamer -T20066- using plenty of cutting fluid. |
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