Installing valve stem seals
NOTE:
RISK OF DAMAGE
Contaminant or foreign body .
Contamination can result in malfunctions, loss of function or leaks .
Contaminant or foreign body .
Contamination can result in malfunctions, loss of function or leaks .
- Adhere to the utmost cleanliness.
- Protect components from contamination e.g. by covering.
- Close off line connections with seal plugs.
NOTE:
The description is for one component only. The procedure is identical for all further components.
- Remove oil and dirt from the contact surface (1)
.NOTE: TECHNICAL INFORMATION
As an alternative to special tool 0 490 797 (11 1 960) , the assembly sleeves delivered with the spare part can be used (see applicable BMW parts catalogue). - Make sure that the special tool 0 490 797 (11 1 960)
or the assembly sleeves are used when installing the valve stem seal.
- Guide in and install special tool 0 490 797 (11 1 960)
or assembly sleeves on valve (1)
.
- Replace the valve stem seal (1)
or assembly sleeves.
Parts: Valve stem seal, assembly sleeves
- Guide in and install valve stem seal (1)
on special tool 0 490 797 (11 1 960)
or assembly sleeves.
- Guide out and remove special tool 0 490 797 (11 1 960)
or assembly sleeves
.
- Prepare special tool 0 493 249 (11 6 380)
.
- Press the valve stem seal (1) onto the cylinder head 0 493 249 (116 380) up to the stop using special tool
.
- Make sure that the valve stem seal (1)
is correctly positioned on cylinder head (2)
.