ENGINE <6A1> -
Special Tools/On-vehicle Service
11B-5
Tool UseNameNumber
MB991453 Engine hanger
assembly
Supporting the engine assembly during
removal and installation of the transmission
ON-VEHICLE SERVICE
11100090425
DRIVE BELT TENSION CHECK AND
ADJUSTMENT
ALTERNATOR DRIVE BELT TENSION CHECK
Use a belt tension gauge to check that the belt tension is
at the standard value at a point half-way between the two
pulleys as shown in the illustration. In addition, press this
section with a force of 98 N and check that the amount of
belt deflection is at the standard value.
Standard value:
Tension N 294 - 490
Deflection (Reference value) mm 9.0 - 13.0
ALTERNATOR DRIVE BELT TENSION ADJUSTMENT
1. Loosen the tension pulley fixing nut.
2. Use the adjusting bolt to adjust the belt tension or
deflection to the standard value.
Standard value:
Items When a used
belt is installed
When a new
belt is installed
Tension N 343 - 441 490 - 686
Deflection (Reference
value) mm
10.0 - 12.0 6.8 - 8.0
3. Tighten the fixing nut.
Tightening torque: 49 Nm
Caution
Turn the crankshaft onefull rotation or more clockwise
before this check.
Alternator pulley
Tension pulley
Crankshaft pulley
Fixing nut
Adjusting bolt
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