Removing And Installing Valve Stem Seal

'85/'86 MODELS ONWARD ENGINE TYPE M 28. 43/44/45/46

Pull off valve stem seal with Special Tool 9237.

Oil valve stem and install valve. Push assembly sleeve over valve stem. Oil sealing lip of valve stem seal and position on assembly sleeve. Using Special Tool 9225/1 carefully and gently press seal onto valve guide until it is seated.

15 - 112 b Removing and Installing XIX,1987 - Printed in Germany

Valve Springs

Removing and Installing Valve Stem Seal

INSTALLING VALVE STEM SEAL '87 MODELS ONWARD

ENGINE TYPE M 28. 41/42

Note:

Valve Stem Seal Porsche

It is essential to place a 1 mm washer on the cylinder-head mating face before installing the valve stem seal.

l.Oil valve stem and install valve. Place 1 mm thick washer on the cylinder-head mating face. Push assembly sleeve over valve stem. Oil sealing lip of valve stem seal and position on assembly sleeve. Using Special Tool 9225/1, push seal carefully and gently onto valve guide until seated.

2.The valve stem seal is correctly seated when Special Tool 9225/1 and washer make contact.

Note:

The assembly sleeves are available as spare parts.

Installing Valve Stem Seal, 15 - 112 c '87 Models Onward

CHECKING VALVE GUIDES (32-VALVE ENGINES)

1.Clean valve guides thoroughly.

2.Use a new valve to measure the rocker clearance.

3.Attach dial-gage holder VW 387 to cylinder head. Align dial gage parallel to valve head.

Special Tool Sporsche 928

4.Measure rocker play at 10 mm valve lift (distance between valve head and valve seat). Wear limit for intake and exhaust valve guides = 0.80 mm.

How Measure Lift Valve
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Responses

  • Belinda
    How to measure Lift valve?
    6 years ago

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