Kia Sportage: Timing System
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Components
Intake camshaft
Exhaust camshaft
Intake CVVT assembly
Exhaust CVVT assembly
Timing chain
Timing chain guide
Timing chain tensioner arm
Timi
Installation
1. Install the balance shaft chain. (Refer to Lubrication system in this
group)
2. Install the crankshaft chain sprocket (B) and the timing chain oil jet
(A).
Tightening torque:
7
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Description and Operation
Description
Continuous Variable Valve Timing (CWT) system advances or retards the valve
timing of the intake and exhaust
valve in accordance with the ECM control signal which is calculated by the
engine speed and load.
By controlling CVVT, the valve over-lap
Reduce the speed and shift to a lower
gear before you start down a long or
steep downgrade. If you don't shift
down, you might have to use your
brakes so much that they would get hot
and no longer operate efficiently.
On a long uphill grade, shift down and
reduce your speed to around 45