Audi Workshop Service and Repair Manuals
HOME
FEATURES
MENU
INDEX
ABOUT US
Removing and installing sealing flanges and dual-mass flywheel >
< Removing toothed belt from camshaft sprocket
A4 Mk1
Power unit
4-cylinder engine (2-valve, roller rocker fingers), mechanics
Enginecrankshaft group, pistons / Servicing work on pulley end
Checking semi-automatic tensioning roller for toothed belt
Checking semi-automatic tensioning roller for toothed belt
Checking semi-automatic tensioning roller for toothed belt
Procedure
l
Toothed belt fitted and tensioned.
–
Lift off engine cover
-arrows-
.
–
Unscrew bolts
-arrows-
.
–
Remove air ducts
-1-
and
-2-
.
–
Turn quick-release fastener
-item 1-
90° anti-clockwise.
–
Raise retaining tabs
-arrows-
and detach top toothed belt cover.
Caution
The engine must only be turned at the crankshaft, in the direction of normal engine rotation (clockwise).
–
Turn crankshaft at central bolt on crankshaft sprocket in direction of engine rotation to “TDC mark”
-arrows-
.
l
At the same time the marking on front of the camshaft sprocket must align with the marking on the rear toothed belt cover
-arrows-
.
–
If necessary, turn crankshaft one turn further.
–
Push in toothed belt with firm thumb pressure.
l
The pointer
-2-
should move to side.
–
Release thumb pressure on toothed belt.
l
Tensioner should return to initial position. (Pointer back in line with notch
-1-
).
Note
Check the position of notch and pointer on tensioning roller using a mirror.
Power unit
4-cylinder engine (2-valve, roller rocker fingers), mechanics
Enginecrankshaft group, pistons / Servicing work on pulley end
Checking semi-automatic tensioning roller for toothed belt
Removing and installing sealing flanges and dual-mass flywheel >
< Removing toothed belt from camshaft sprocket