48 VW Golf & GTI Quick Reference Specication Book • September 2012
Component Fastener
size
Nm
Transport strap-to-cylinder head bolt - 25
Vacuum pump-to-cylinder head bolt - 9
1)
Replace fastener(s).
2)
Engine code CBFA only.
3)
Left hand threads.
Valve Dimensions
Dimension Intake valve Exhaust valve
Diameter a mm 33.85 ± 0.10 28.0 ± 0.1
Diameter b mm 5.98 ± 0.007 5.955 ± 0.007
c mm 103.97 101.87
α
∠°
45 45
NOTE: Intake and exhaust valves must not be
refaced by grinding. Only lapping is permitted.
Compression Pressures
New
Bar positive pressure
Wear limit
Bar positive pressure
Difference between
cylinders
Bar positive pressure
11.0 to 14.0 7.0 Max. 3.0
Fastener Tightening Specications (cont’d)
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