Parts of chain drive system - engine codes BRN, BRP and BTT — VW

Parts of chain drive system - engine codes BRN, BRP and BTT
Valve timing housing
Cylinder bank 2.
Lightly lubricate contact surfaces of oil seals before installing.
Removing and installing
Chapter
Removing and installing camshafts.
Dismantling and assembling
Fig.
.
8 Nm
Pivot pin, 18 Nm
For tensioning rail
Item
Tensioning plate
For camshaft timing chain
Item
20 Nm
Pivot pin, 18 Nm
For guide rail
Item
.
Guide rail
For camshaft timing chain
Item
Valve timing housing
Cylinder bank 1.
Lightly lubricate contact surfaces of oil seals before installing.
Removing and installing
Chapter
Removing and installing camshafts.
Dismantling and assembling
Fig.
.
Exhaust camshaft adjuster
Cylinder bank 1.
Identification: B1.
With locating pin, can only be installed in one position on camshaft.
Rotate engine only with camshaft adjuster installed.
Installing
Chapter
Adjusting valve timing.
60 Nm +
1
/
4
turn (90°) further
Renew.
Contact surface of sender wheel must be dry around bolt head when installed.
To remove and install, counterhold using 32 mm open-end spanner on camshaft
Chapter
Removing and installing camshafts.
Inlet camshaft adjuster
Cylinder bank 1.
Identification: B1.
With locating pin, can only be installed in one position on camshaft.
Rotate engine only with camshaft adjuster installed.
Installing
Chapter
Adjusting valve timing.
Camshaft timing chain
Cylinder bank 1.
Before removing, mark direction of rotation (installation position)
Chapter
.
Installing
Chapter
Adjusting valve timing.
Pivot pin, 12 Nm
For tensioning rail
Item
Tensioning plate
For camshaft timing chain
Item
To remove, rear sealing flange must be removed.
Seal
Renew if damaged or leaking.
Chain tensioner, 40 Nm
For camshaft timing chain
Item
Only rotate engine when chain tensioner is installed.
60 Nm +
1
/
4
turn (90°) further
With
“left-hand thread”
.
Renew.
To loosen or tighten, use
counterhold
T10069
Chapter
, Adjusting valve timing.
Intermediate shaft
Coat with engine oil before installing.
Chain sprocket
For camshaft roller chains
Item
,
Item
and
Item
.
Installing
Chapter
Adjusting valve timing.
Chain tensioner with tensioning plate
For timing chain
Item
.
Secure chain tensioner with drill bit (∅ 3.5 mm).
Only rotate engine when chain tensioner is installed.
Locking plate
Chain sprocket
For timing chain
Item
.
Built into crankshaft.
Position chain
Chapter
, Adjusting valve timing.
Timing chain
Before removing, mark direction of rotation (installation position)
Chapter
.
Installing
Chapter
Adjusting valve timing.
Guide rail
For timing chain
Item
.
Locating pin without collar, 10 Nm
For guide rail
Item
.
10 Nm
Renew.
Intermediate shaft
Counter-bearing for
Item
.
Guide rail
For camshaft timing chain
Item
To remove cylinder head, upper fulcrum pin
Item
must be unscrewed from cylinder head.
To remove guide rail, rear sealing flange must be removed.
Pivot pin, 10 Nm
For guide rail
Item
.
9 Nm
Chain tensioner
For camshaft timing chain
Item
Before removing, press chain tensioners together and lock with drill bit (∅ 3.5 mm).
Only rotate engine when chain tensioner is installed.
Stop
For chain tensioner
Item
.
Screwed into tensioning rail
Item
.
Exhaust camshaft adjuster
Cylinder bank 2.
Identification: B2.
With locating pin, can only be installed in one position on camshaft.
Rotate engine only with camshaft adjuster installed.
Installing
Chapter
Adjusting valve timing.
Inlet camshaft adjuster
Cylinder bank 2.
Identification: B2.
With locating pin, can only be installed in one position on camshaft.
Rotate engine only with camshaft adjuster installed.
Installing
Chapter
Adjusting valve timing.
Camshaft timing chain
Cylinder bank 2.
Before removing, mark direction of rotation (installation position)
Chapter
.
Installing
Chapter
Adjusting valve timing.