PRE-RELEASE
Valve guides
| Valve guides |
Pull out the valve guides in the direction of the arrow with (1) press, part no. 83 90 494, (2) pull rod, part no. 83 93 811, (3) spacer sleeve, part no. 83 93 829, and (4) nut, part no. 83 93 845. The valve guide is no. (5).
| To fit |
| Note | ||
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To make fitting easier, heat the cylinder head with warm water and cool the guides. |
| 1. |
Insert the guides from the cam side, position the pull rod from the valve seat.
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| 2. |
Centre the tool in the valve seat and fit the guide in the direction of the arrow. Use (1) press, part no. 83 90 494, (2) pull rod, part no. 83 93 811, (3) end stop, part no. 83 93 837, (4) centring sleeve, part no. 83 90 379 and (5) nut, part no. 83 93 845. The valve guide is no. (6).
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| 3. |
Rough ream the guide with the tool, part no. 83 93 944, and finish ream with a 7.0 mm H7 reamer.
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