3239085 - 1016E14 single cylinder head valve guides - replace during operation 1016e10

Removing ( Refitting ) 1. Remove the valve guides (1a) using the tool (1b).

	Name	Country
1b	Extractor	1.821.176.000

Refitting ( Removing ) Check that the outer diameter of the valve guides to be fitted is within the recommended values.

	Measurement		Value
-	Outer diameter (mm)		13.010 ÷ 13.030
	Oversize (mm)	0.20

1. Fit the valve guides (1a) using the tool (1b).

	Name	Country
1b	Fitting tool	1.821.254.000

Before fitting the new valve guides, heat the cylinder head in the oven to a temperature of 80 - 100 ° C.

In the case of slight distortions suffered during fitting, ream the inner diameter of the valve guides to the recommended value.

	Measurement		Value
-	Inner diameter (mm)		7.022 ÷ 7.040

Regrind the valve seats if the valve guides are replaced.