Timing belt wear - models MJ 1996/1997/1998 (Solution)

Timing belt wear.

1.9L AEY, AEF, AGD, 1Y, AAZ, AHU, 1Z, AFN, model years 96/97/98.
Timing belt: slipping outwards, wearing out, skipping teeth, tearing.
Please provide the German text you would like me to translate into English.
Cause: Due to unfavorable tolerances in the timing belt drive, this can lead to...
increased edge wear (fraying) of the timing belt on the side facing the engine.
Timing belt tensioner and the starter pulley of the vibration damper.
come.
Series: - Optimized timing belt tensioner.
From 04.97 - ET number 028 109 243 F.
- Optimized fuel injection pump assembly - Part number unchanged.
(Marking: white dot or) "Wart" on the casting, in the area of..."
the mounting bracket for the compact motor (longitudinal motor), or Coolant pump.
(Transverse engine).
Starting from 07.97, moving average.
- Optimized lower timing belt cover (Type 3B only).
Starting from 09/97, adjustable - Part number 028 109 127 AB.
- Optimized fastening procedure. Auxiliary unit holders on the pump console.
Starting from 07.97, moving average.
KD: Image number: 551
Note: The width of the timing belt in its new condition is 23 mm for the Polo.
all others 25 mm.
A T T E N T I O N:
DURING ALL CHECKING AND ADJUSTMENT WORK, THE MOTOR MUST BE BELOW...
DO NOT TURN IT PAST THE CAMSHAFT!
FAILURE TO FOLLOW THESE INSTRUCTIONS MAY RESULT IN SERIOUS ENGINE DAMAGE!
Slight wear on the side of the timing belt, smooth timing belt back.
or blow-like residue on the back of the timing belt.
do not justify an exchange.
"Is the timing belt inspection included in the scheduled maintenance (oil change service)?"
Annual inspection - see Service Technology manual, section 'Inspection'.
! "Maintenance" or, in case of complaints, "noise from the timing belt."
significant rubber wear (edge wear), where the width of the timing belt is a factor.
worn down by more than 2 mm below the original width, or showing significant fraying.
If this has been determined, the following steps should be taken:
Remove the fuel injection pump and the pump console.
Replace the console with an optimized pump console -ET.
only supplies optimized parts.
When screwing it in, the console should be oriented with point -B- facing upwards.
Press point -A- downwards. In this position, there are 3 fastening screws.
starting with "E", then "C", and finally "D", with the...
tighten to the specified torque (2. Mechanic required.
ATTENTION: Please observe the revised installation instructions.
Fuel injection pump mounted on the console, with all three screws tightened to the specified torque.
attract (tax side - timing belt drive).
Tighten the fuel injection pump (with tapered nut) to the bracket using the specified torque.
Now, using the tool, insert the sliding bushing "F" into the auxiliary unit holder.
corresponding drive pin to the contact point on the pump console - G-drive.
Tighten screw -H- to the specified torque.
Replace the timing belt. Replace the tensioner only if it is the old design.

Author: Michael II