2753372 - 1016E14 single cylinder head valve guides - replace during operation 1016e10

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

NameCountry
1bDrift1.860.395.000
Refitting ( Removing ) Measure the valve guide seats and check they are within the specified limits.

MeasurementValue
-Diameter of valve guide bore in cylinder head (mm)12.950 - 12.977
If necessary, ream the valve seat.Check the measurement of the new valve guide.Make a note of the measurment of the valve seat after reaming.Valve guides are supplied as spares with the diameters shown below.

MeasurementValue
-Valve guide external diameter (mm)Exhaust13.030
Inlet13.010
The interference fit between valve guides and seats on the cylinder head is as follows.

MeasurementValue
-Clearance between valve guide - bore in cylinder head (mm)0.033 - 0.080
Before fitting the new valve guides, the cylinder head has to be heated to a temperature of around 80 - 100 ° C.1. Fit the valve guide oil seals (1a) using tool (1b).

NameCountry
1bFitting tool1.860.750.000
If the valve guides have undergone slight deformation during assembly, ream the inner surfaces using a reamer of appropriate size.Measure valve guide bore afer dressing and clearance between bore and valve; check they are within specified values.

MeasurementValue
-Valve guide internal diameter (mm)7.022 ÷ 7.040

MeasurementValue
-Inlet and exhaust valves - valve guides clearance (mm)0.022 - 0.058