Part II: assembly overview - chain drive system — VW

Part II: assembly overview - chain drive system
Cylinder head with camshaft housing
Sealing surface must not be reworked.
With integrated camshaft bearings.
Remove sealant residue.
Coat with AMV 188 001 02 before fitting.
When installing, insert vertically from above so that dowel pins fit into holes in cylinder head.
Cylinder block
Dismantling and assembling cylinder block
Chapter
.
Dismantling and assembling pistons and conrods
Chapter
Bracket
For tensioning element and air conditioner compressor.
Removing and installing
Chapter
.
Chain sprocket
For oil pump drive and timing chain.
Contact surfaces must be free of oil and grease.
Drive chain
Before removing, mark direction of rotation (installation position).
Guide rail
For timing chain.
25 Nm
Chain tensioner with tensioning plate
For oil pump drive.
Tensioning spring
Oil sump
Remove and install on engines with liquid gasket
Chapter
.
Clean sealing surface before fitting.
Install with silicone sealant D 176 600 A1.
15 Nm
15 Nm
Chain sprocket
Lock chain sprocket using
counterhold
T10172
.
Cover
20 Nm + 90° (
1
/
4
turn) further
Renew.
Piston
For drive chain tensioner.
Spring
Chain tensioner
9 Nm
Valve timing housing
Removing and installing
Chapter
.
Install with sealant D 176 501 A1.
When installing, install two
M6x80
studs in cylinder block and camshaft housing as a guide.
For better guidance of valve timing housing, secure sump in position with 2 bolts.
Bearing bush
Contact surfaces must be free of oil and grease.
Belt pulley
Removing and installing crankshaft pulley
Chapter
Contact surfaces must be free of oil and grease.
Secure against turning with
counterhold
3415
when removing and installing
The turning further angle can be measured with a commercial protractor.
Removing and installing poly V-belt
Chapter
.
150 Nm +
1
/
2
turn (180°) further.
Renew.
Removing and installing crankshaft pulley
Chapter
Contact surface for securing bolt must be free of oil and grease.
Oil threads before inserting.
Secure belt pulley against turning with
counterhold
3415
.
The turning further angle can be measured with a commercial protractor.
O-ring
Renew.
10 Nm
50 Nm
10 Nm
To intake manifold.
10 Nm
Vacuum valve
10 Nm
Oil separator
Gasket
Renew.
Tensioning plate
50 Nm + 90° (
1
/
4
turn) further
Lock chain sprocket for inlet camshaft in place, using counterhold
T10172
Renew.
50 Nm + 90° (
1
/
4
turn) further
Lock chain sprocket for exhaust camshaft in place, using counterhold
T10172
Renew.
Chain sprocket
For inlet camshaft.
Fix in place with counterhold
T10172
for removal
Timing chain
Before removing, mark direction of rotation (installation position).
Chain sprocket
For exhaust camshaft.
Fix in place with counterhold
T10172
for removal
Guide pins
Specified torque: 20 Nm