Kia Carens: Timing System / Drive Belt Repair procedures
1. |
Disconnect the battery negative terminal.
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2. |
Loosen the alternator tension adjusting bolt (A) to loosen tension.

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3. |
Remove the drive belt (A).

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Drive Belt Inspection
Visually check the belt for excessive wear, frayed cords etc.
If any defect has been found, replace the drive belt.
Cracks on the rib side of a belt are considered acceptable. If the belt
has chunks missing from the ribs, it should be replaced.
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Drive belt tension measurement and adjustment
Measure the belt tension using a mechanical tension gauge or a sonic tension
meter.
Tension
New belt: 686.5 ~ 784.5N (70 ~ 80kg, 154.3 ~ 176.4lb)
Used belt: 490.3 ~ 588.4N (50 ~ 60kg, 110.2 ~ 132.3lb)
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• |
If the engine has run for 5 minutes or more, the belt tension
must be adjusted as a used belt.
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• |
When installing the V-ribbed belt, all grooves on the pulley
should be covered with belt ribs.
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• |
A loose belt causes slip noise.
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• |
Too tight belt cause bearing of alternator and water pump to
damage.
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Using a mechanical tension gauge
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1. |
While pressing the handle (A) of the gauge, insert the belt (B) between
pulley and pulley (or idler) into the gap between spindle (C) and hook
(D).

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2. |
After releasing the handle (A), read a value on the dial pointed by
the indicator (B).

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Using a sonic tension meter |
1. |
Input the belt specifications into the tension meter.
Belt type
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Location of measurement
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Input data
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M (Mass, g/m.rib)
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W (Width, rib)
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S (Span, mm)
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With A/C
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Crankshaft pulley to A/C compressor pulley
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13.4
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6
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178.9
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Without A/C
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Idler to alternator pulley
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13.4
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6
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Actual measurement value
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Measurement of S (Span) : Caculate average value after measuring
the distance 3~4 times.

D : Idlerd
d : Alternator pulley
|

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2. |
Locate the micro phone (B) close to the center of belt span (A) and
bounce the belt by finger 2~3 times. Read a value on the display.
[With A/C]

[Without A/C]

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If adjustment is necessary: |
1. |
Loosen the mounting bolts (A).
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2. |
Tighten the adjusting bolt(B) clockwise in loose tension ; loosen the
bolt counterclockwise in high tension.

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3. |
Recheck tension of the belt.
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4. |
After adjusting tension, tighten the through bolts.
Tightening torque
12mm (0.47in) bolt :
19.6 ~ 26.5 N.m (2.0 ~ 2.7 kgf.m, 14.5 ~ 19.5 Ib-ft)
14mm (0.55in) bolt :
29.4 ~ 41.2 N.m (3.0 ~ 4.2 kgf.m, 21.7 ~ 30.4 Ib-ft)
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1. |
Install the drive belt (A).

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2. |
Adjust tension by tightening the alternator tension adjust bolt (B)
and then install the mounting bilts(A).
Tightening torque
12mm (0.47in) bolt :
19.6 ~ 26.5 N.m (2.0 ~ 2.7 kgf.m, 14.5 ~ 19.5 Ib-ft)
14mm (0.55in) bolt :
29.4 ~ 41.2 N.m (3.0 ~ 4.2 kgf.m, 21.7 ~ 30.4 Ib-ft)
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3. |
Connect the battery negative terminal.
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Components
1. Drive belt
...
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