Suzuki Engine 2002 GRAND VITARA SQ420 Service Manual page 607

6B-16 ENGINE COOLING
For J20 engine
1) Inspect belt for cracks, cuts, deformation, wear and cleanli-
ness.
If so, replace belt.
2) Check belt for tension. Belt is in proper tension when it
deflects the following specifications under thumb pressure
(about 10 kg or 22 lbs).
Cooling fan belt tension (for J20 engine model)
"a" : 5 – 7 mm (0.20 – 0.27 in) as deflection/10 kg (22 lbs)
NOTE:
When replacing belt with a new one, adjust belt tension
to 4 – 5 mm (0.16 – 0.20 in.).
[A] : J20 engine
1. 10 kg (22 lbs)
2. Adjusting bolt
3) If belt is too tight or too loose, adjust it as follows:
a) Loosen adjusting bolt (1) and pivot bolt (2).
b) Tighten adjusting bolt (1) during keeping fan belt in proper
tension by tightening tension bolt (3) with wrench as shown
in the figure.
c) Tighten adjusting bolt (1) and pivot bolt (2) to specified
torque.
Tightening torque
Cooling fan pulley adjusting bolt (for J20 engine)
(a) : 45 N·m (4.5 kg-m, 32.5 lb-ft)
Cooling fan pulley pivot bolt (for J20 engine)
(b) : 45 N·m (4.5 kg-m, 32.5 lb-ft)
3. Crankshaft pulley
4. Fan pulley
5. Pivot bolt