Cylinder head, disassembly and assembly: Notes
WARNING: This page does not describe the selected car, but rather 11 other vehicles, including the 1999 Volkswagen Jetta, 1999 Volkswagen GTI, 1998 Volkswagen Jetta, 1998 Volkswagen GTI, and 1997 Volkswagen Jetta. However, it is still accessible from the selected car via links, so may be relevant.
Checking compression, see COMPRESSION, CHECKING
NOTE:
- When installing an exchange cylinder head with camshaft, the contact surfaces between valve lifters and cam lobes must be oiled after installation.
- The plastic protectors fitted to protect the open valves must only be removed immediately before installing the cylinder head.
- When replacing the cylinder head the engine coolant must be completely replaced.
The following list pertains to Fig 1.
- 5 Nm (44 in lb)
- Ignition cable guide
- 25 Nm (18 ft lb)
- Right rear support
- Between upper intake manifold and cylinder head
- With bracket for fuel lines
- Bracket
- For fuel lines
- Flame trap coil
- Circlip
- Cap
- Replace seal if damaged
- 10 Nm (7 ft lb)
- Bracket
- For electrical wiring
- Cylinder head cover
- Removing and installing, see CYLINDER HEAD COVER, REMOVING AND INSTALLING
- Cylinder head cover gasket
- Replace if damaged
- Note installation position
- O-ring
- Always replace
- Oil before installing and insert in camshaft sprocket cover, item - 21 -
- Spacer ring
- O-ring
- Always replace
- Oil before installing
- Camshaft Position (CMP) Sensor (G40)
- Checking:
- Bracket
- For 42-pin connector and After-Run Coolant Pump (V51)
- Ignition Coil (N152)
- Checking:
- Chain tensioner
- Tightening torque: 30 Nm (22 ft lb)
- For double chain
- Bleed before installing, see Bleeding double chain chain tensioner .
- Rotate engine (crankshaft) only when chain tensioner is installed
- Seal
- Always replace
- Camshaft sprocket cover
- Can be removed and installed with cylinder head installed
- Coat sealing surfaces with AMV 188 001 02
- If only the camshaft sprocket cover has been removed, prepare cylinder head gasket for assembly, see Preparing Cylinder Head Gasket For Assembly
- - Cylinder head gasket
- Always replace
- When replacing: also replace engine coolant
- - Cylinder head
- Check for distortion - Checking Cylinder Head For Distortion
- Installing, see CYLINDER HEAD, INSTALLING
- When replacing: also replace engine coolant
- Note sequence for loosening and tightening, see CYLINDER HEAD, INSTALLING
- - Cylinder head bolt
- ALWAYS REPLACE
- Gasket
- For lower intake manifold
- Always replace
- Lifting eye
- Intake manifold, lower
- Poly-ribbed belt tensioner
- Removing and installing poly-ribbed belt, see POLY-RIBBED BELT, REMOVING AND INSTALLING
- Gasket
- For upper intake manifold
- Always replace
- Intake manifold, upper
- First tighten to lower intake manifold, then tighten both rear supports, items - 4 - and- 32 -
- Intake Air Temperature (IAT) Sensor -G72-
- Tightening torque: 10 Nm (7 ft lb)
- Checking:
- Support, left rear
- Between upper intake manifold and cylinder head
- With engine Ground (GND) connection
- Cover
- Above upper intake manifold