Audi Q7 2007 - Valve Gear - Exploded View of Components

Audi Q7 2007 !
6-cylinder TDI engine (3.0 ltr. 4-valve common rail), mechanics 01.2006
Repair Group 15 – Cylinder head, valve gear
6
118
2.1 Valve gear - exploded view of components
1- Valve
" Do not machine,
only grinding-in is
permitted
" Mark installation po-
sition for re-installa-
tion
" Valve dimensions
⇒ page 132
" Checking valve
guides ⇒ page 133
2 - Cylinder head
" See note
⇒ page 117
" Checking valve
guides ⇒ page 133
" Machining valve
seats ⇒ page 133
3 - Valve stem oil seal
" Renewing
⇒ page 129
4 - Valve springs
5 - Valve spring plate
6 - Valve cotters
7 - Camshaft oil seal
" Renewing
⇒ page 120
8- 9 Nm
" Observe correct
tightening sequence
⇒ page 127
9- 9 Nm
" Observe correct
tightening sequence ⇒ page 127
10 - Retaining frame
" With integrated camshaft bearings
" Removing and installing ⇒ “2.4 Removing and installing camshafts” on page 123
11 - Inlet camshaft
" Removing and installing ⇒ page 123
" Checking axial clearance ⇒ page 119
" Check radial clearance with Plastigage (roller rocker fingers removed)
" Radial clearance (new): 0.035 ... 0.085 mm
" Radial clearance: wear limit: 0.1 mm
" Runout: max. 0.01 mm
12 - Exhaust camshaft
" Removing and installing ⇒ page 123
" Checking axial clearance ⇒ page 119
" Check radial clearance with Plastigage (roller rocker fingers removed)
" Radial clearance (new): 0.035 ... 0.085 mm
" Radial clearance: wear limit: 0.1 mm
" Runout: max. 0.01 mm
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