Passat GLS Wagon V6 V6-2.8L (ATQ) (2001)
Valve Guide: Service and Repair
Valve Guides, Replacing
Special tools and equipment
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3360 Drift
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3361 Support
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3363 Hand reamer and cutting fluid
Removing
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Check whether valve seat insert rings and if necessary cylinder head sealing surface can be reworked. If not, valve guide should not be replaced.
Set the support as follows:
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Fit mounting pins for cylinder head bolt holes -A- into threaded hole positions 2 and 3.
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Fit pin -B- into relevant hole for valve angle.
Outer inlet valves: 21.5
Center inlet valve: 15
Exhaust valve: 20
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Press worn valve guides out with drift 3360 from camshaft side.
Installing
Note: When the shoulder on guide makes contact, the pressure must not exceed 10 kN (approximately 1.0 t) otherwise shoulder may break off.
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Coat new valve guides with oil and press with drift 3360 into cold cylinder head from camshaft side until shoulder makes contact.
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Ream guides out with hand reamer 3363 using plenty of cutting fluid.
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Rework valve seats.