Cylinder Head Overview
Cylinder Head Overview
1 Bracket
• For the fuel hose.
2 Bolt
• 10 Nm
3 Cap
• Replace the seal if damaged.
4 Cylinder Head Cover
• Removing and installing, refer to => [ Cylinder Head Cover ] Service and Repair.
5 Bolt
• 10 Nm
• With a spacer sleeve and seal.
• Replace the seal if damaged.
6 Cylinder Head Cover Seal
• Replace if damaged or leaking.
• Note the installed position.
7 Lifting Eye
• with the knock sensor connector retaining plate.
8 Bolt
• 23 Nm
9 Intake Manifold Support
10 Bolt
• 23 Nm
11 Bolt
• 10 Nm
12 Bolt
• 10 Nm
13 Connecting Piece
• To the heater core.
• When changing from aluminum to plastic connecting pieces, pay attention to the bolt allocation.
14 Seal
• Replace
• Note the installed position.
15 Chain Tensioner
• 50 Nm
• For the camshaft timing chain.
• Only rotate the engine with the chain tensioner installed.
16 Timing Chain Cover
• Can be removed and installed with the engine installed.
• Apply sealant (D 176 501 A1) to the sealing surfaces.
17 Seal
• For the camshaft adjustment valve 1 (N205) and camshaft adjustment valve 1 (Exhaust) (N318).
• Replace if damaged or leaking.
• Installing, refer to => [ Timing Chain Cover Seal, Installing ] Timing Chain Cover Seal, Installing.
18 Bolt
• 8 Nm
19 Bolt
• 8 Nm
20 Coolant Line
• With retaining clips for the vacuum line.
21 Bolt
• 23 Nm
22 Guide Rail
• For the camshaft timing chain.
23 Bolt
• 23 Nm
• Insert using locking fluid (D 000 600 A2)
24 Connecting Piece
• Bolted to the front of the cylinder head.
25 O-ring
• Replace
26 Seal
• Replace
27 Cylinder Head Gasket
• Metal
• Replace
• Replacing the cylinder head gasket. Refer to => [ Cylinder Head ] Cylinder Head.
• After replacing, replace entire amount of coolant.
28 Cylinder Head
• Removing and installing, refer to => [ Cylinder Head ] Cylinder Head.
• After replacing, replace the entire amount of coolant.
29 Bolt
• Replace
• Before assembling, lubricate the bolts with locking compound (D 197 300 A2), refer to => [ Apply to each cylinder head bolt and
install the bolts. ] Cylinder Head.
• Observe the installation instructions and sequence for loosening and tightening. Refer to => [ Cylinder Head ] Cylinder Head.
Cylinder Head, Checking for Distortion
Special tools, testers and auxiliary items required
• Straight Edge 500 mm (VAS 6075)
• Feeler Gauge
Max. permissible distortion: 0.05 mm