Audi AMB - Page 130

 Replacing --> Exhaust camshaft oil seal, replacing
4 - Cylinder head
 See note --> Valve gear, servicing
 Checking valve guides --> Valve guides, checking
 Refacing valve seats --> Valve seats, refacing
 Dowel sleeves for bearing caps must be located in cylinder head
 Sealing transition points Sealing transition points between double bearing cap and cylinder head (2
points): and Sealing camshaft adjuster/cylinder head transition (4 points)
5 - Valve guide
 Checking --> Valve guides, checking
6 - Valve stem seal
 Replacing --> Valve stem seals, replacing
7 - Valve spring
 Removing and installing --> Valve stem seals, replacing
8 - Valve spring plate
9 - Valve keeper
10 - Hydraulic valve lifter
 Checking --> Hydraulic valve lifters, checking
 Removing and installing --> Valve stem seals, replacing
 Do not interchange
 Store with contact surface downward
 Before installing check camshaft axial clearance --> Camshaft axial clearance, checking
 Oil contact surface
11 - Intake camshaft
 Check radial clearance with Plastigage™ (valve lifters not installed), Wear limit: 0.1 mm; Run-out: max.
0.035 mm
 Checking axial clearance --> Camshaft axial clearance, checking :
 Removin
g
and installin
g
camshafts --> Camshafts and camshaft adjuster, removing and installing
2005 Audi A4 Quattro
ENGINE 1.8 Liter 4-Cyl. 5V Turbo Engine Mechanical, Engine Code(s): AMB
1:01:03 AM Page 118
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