300E (124.030) L6-3.0L (103.983) (1986)
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Knock out valve guide (54) from combustion chamber side with drift (1).
Inlet drift 8 mm dia. 103 589 03 15
Exhaust drift 9 mm dia. 103 589 02 15
Checking basic bore, matching valve guide
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Measure OD with a micrometer.
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Determine which valve guide is installed, see table.
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Match next larger valve guide.
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File standard size I or broach repair size I basic bore in cylinder head according to matched valve guide.
Standard size I
