Question about 2003 Kia Rio
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Posted on Jan 02, 2017
Hello, my name is Mario.
1. Disconnect battery negative cable.
2. Drain engine coolant
3. Remove bolt and nut for thermostat housing
4. Remove the old thermostat
5. Put a new thermostat and gasket (Install thermostat into cylinder head with jiggle pin positioned up.)
6. Place thermostat housing
7. Fill radiator with engine coolant
8. Connect battery negative cable
9. Start engine and check for leaks.
Posted on Jan 10, 2009
Possible early signs of a water pump problem. A failing waterpump will circulate coolent when the RPMS are high but when you slow down, so does the waterpump, thereby causing overheating.
Posted on Jul 04, 2009
1. Disconnect high-tension code from spark plug.
2. Remove the spark plug.
3. Connect the spark plug to a high tension code.
4. Hold the spark plug with insulated pliers 5~10mm from a ground.
5. Crank the engine and verify that there is a strong blue spark.
If there is no spark, inspect the following points.
Step Inspection Action
1 Check for good connection of ignition coil Yes Go to next stop.
No Repair or replace
2 Check if resistance of high-tension leads are OK Yes Go to next step.
3 Check if the ignition coil is electrically charged
1) Ignition switch "ON"
2) Check if the engine coil (+) is electrically charged
Yes Go to next step
No Check the wire harness between ignition switch ignition coil and ECM
4 Check if resistance of ignition coil is OK
Primary : 0.36~0.44Ω (at 68°F (20°C))
Secondary : 10.9~13.3kΩ (at 68°F (20°C)) Yes Go to next step
5 Check if ECM is OK Yes
Do not attempt any maintenance on spark plug if engine is hot.
1. Disconnect negative battery terminal.
2. Carefully remove high-tension leads.
3. Use compressed air to blow any dirt or debris from around spark plug hole.
4. Check that spark plug fits squarely in spark plug socket and remove spark plug.
Raise a vehicle and install SST(OK552 131 001) in order to replace cylinder 2, 4, 6 spark plug.
1. Install spark plug into cylinder head.
Tightening torque : 18~22lb-ft (25~30N·m, 2.5~3.0kg-m)
2. Reconnect high-tension leads.
3. Reconnect negative battery cable.
Posted on Jul 17, 2009
SOURCE: knock sensor replacement
Turn ignition off. Disconnect knock sensor 3
pin harness connector. Locate knock sensor, on cyli
On Optima 2.7L engine, sensors are located on both
sides of cylinder block. . Remove knock
sensor from cylinder block. To install, reverse rem
Posted on Mar 19, 2010
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