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Jetta L4-1.9L DSL Turbo (AAZ) (1997)

Engine, Cooling and Exhaust > Engine > Drive Belts, Mounts, Brackets and Accessories > Ribbed Belt <--> [Drive Belt] > Component Information > Technical Service Bulletins > Customer Interest for Ribbed Belt: > 1597-01 > Jun > 97 > MFI Pump Drive Belt - Runs Towards Outside, Wears, Jumps

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Ribbed Belt: Customer Interest
MFI Pump Drive Belt - Runs Towards Outside, Wears, Jumps

Group: 15

Number: 97-01

Date: June 4, 1997

Subject: 
Toothed Belt Runs Towards Outside, Wears Out, Jumps Off, Cracks

Model(s): 
Golf, Jetta, Passat
with 1.9L (Engine code AAZ, 1Z)

1994 --> 1997

Supersedes T.B. Group 13 Number 97-01 dated Jan. 28, 1997

Condition

Toothed belt runs toward outside and wears out, jumps off, cracks or is noisy.

Service

If this condition exists:

-

Replace toothed belt and automatic tensioning roller Part No: 028 109 243F, see the appropriate Repair Manual for Models listed above.

Note:

Prior to installing the new belt, clean idler pulley, crankshaft and Diesel Injection pump sprockets.

After installing new belt but prior to installing vibration damper pulley:

-

Using a second Technician, start and run engine (AT IDLE) for a few seconds while observing toothed belt.

-

Switch ignition OFF, then check toothed belt.

^

Belt must NOT protrude beyond face of crankshaft sprocket.

If belt protrudes beyond face of crankshaft sprocket, adjust Diesel Injection pump mounting bracket as follows:

-

Remove injection pump.

-

Slightly loosen three fasteners securing bracket to engine -arrows-.

-

Press bracket down at point -A- and lift at point -B- while a second Technician torques fasteners -arrows- to 25 Nm.  (18 ft. lb.).

-

Reinstall injection pump.

After installing belt but prior to installing vibration damper pulley:

Engine, Cooling and Exhaust > Engine > Drive Belts, Mounts, Brackets and Accessories > Ribbed Belt <--> [Drive Belt] > Component Information > Technical Service Bulletins > Customer Interest for Ribbed Belt: > 1597-01 > Jun > 97 > MFI Pump Drive Belt - Runs Towards Outside, Wears, Jumps

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