Engine –
2.5L CBTA, CBUA
VW Golf & GTI Quick Reference Specication Book • September 2012 93
Component Nm
Knock Sensor (KS)-to-cylinder block bolt
3)
20
Lower idler pulley with bracket-to-accessory bracket bolt 25
Oil lter bracket-to-cylinder block bolt 25
Oil pump drive chain tensioner-to-cylinder block bolt 10
Oil pump sprocket-to-oil pump bolt
1)
20 plus an
additional 90°
(¼ turn)
Pressure relief valve 27
Sealing ange-to-cylinder block bolt 10
Shield-to-cylinder block bolt 10
Tensioning rail pin-to-cylinder block 40
Thermostat housing-to-cylinder block bolt 10
Timing chain tensioner-to-cylinder head bolt 10
Upper idler pulley with bracket-to-accessory bracket bolt 8
1)
Replace fastener(s).
2)
Only use a strength category 10.9 bolt.
3)
Tightening specications affect the function of the Knock Sensor (KS).
4)
Lubricate the threads and contact surface.
Crankshaft Dimensions
Honing dimensions in
mm
Crankshaft bearing
pin diameter
Connecting rod
bearing
pin diameter
Basic dimension 58.00 -0.022 47.80 -0.022
-0.042 -0.042
1
st
oversize 57.75 -0.02 47.55 -0.022
-0.042 -0.042
2
nd
oversize 57.50 -0.022 47.30 -0.022
-0.042 -0.042
Stage III 57.25 -0.022 47.05 -0.022
-0.042 -0.042
Piston and Cylinder Dimensions
Honing dimension in
mm
Piston diameter Cylinder bore
diameter
Basic dimension 82.465
1)
82.51
1)
Measurement does not include the graphite coating (thickness = 0.02 mm). The
graphite coating wears away.