Cylinder Head Cover - BMW N73B60 Workbook

Cylinder Head Cover (right) - Removal
C C a a u u t t i i o o n n : : D D o o n n o o t t b b e e n n d d a a n n y y h h i i g g h h p p r r e e s s s s u u r r e e l l i i n n e e s s ! !
Top Diagram
• Detach high pressure lines (1) at mounting
points (2).
O O n n h h i i g g h h p p r r e e s s s s u u r r e e p p u u m m p p : :
• Detach feed line (3).
• Detach high pressure line (4).
• Detach leakage line (5).
• Detach high pressure lines from fuel rail (6).
Lower Diagram
• Remove Valvetronic motor.
• Remove mounting bolts (1) and high pressure
pump (2).
• Remove bolts (3) and pull out spacer (4).
• Remove Non-Return Valves and cylinder head
cover perimeter bolts.
Questions
W W h h a a t t i i s s t t h h e e t t i i g g h h t t e e n n i i n n g g t t o o r r q q u u e e f f o o r r t t h h e e c c o o u u p p l l i i n n g g n n u u t t s s o o n n f f u u e e l l l l i i n n e e s s 3 3 - - 6 6 ? ?
W W h h a a t t s s h h o o u u l l d d y y o o u u d d o o t t o o t t h h e e s s p p a a r r k k p p l l u u g g d d o o m m e e s s ( ( s s l l e e e e v v e e s s ) ) b b e e f f o o r r e e r r e e i i n n s s t t a a l l l l i i n n g g t t h h e e m m ? ?
A A f f t t e e r r r r e e m m o o v v i i n n g g t t h h e e h h i i g g h h p p r r e e s s s s u u r r e e p p u u m m p p ( ( 2 2 ) ) , , w w h h a a t t o o t t h h e e r r
c c o o m m p p o o n n e e n n t t m m u u s s t t b b e e r r e e m m o o v v e e d d f f r r o o m m t t h h e e p p u u m m p p m m o o u u n n t t - -
i i n n g g b b a a s s e e ? ?
W W h h y y s s h h o o u u l l d d c c a a u u t t i i o o n n b b e e t t a a k k e e n n t t o o n n o o t t b b e e n n d d a a n n y y o o f f t t h h e e
h h i i g g h h p p r r e e s s s s u u r r e e f f u u e e l l l l i i n n e e s s ? ?
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N73B60 Engine - Diagnosis
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N N m m
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