Kia Sedona (2008 year). Instruction — part 338
3. Remove the surge tank. Refer to INTAKE MANIFOLD.
4. Remove the cylinder head cover.
1. Disconnect the ignition coil connector and remove the ignition coil.
2. Disconnect the breather pipe assembly (A) from the cylinder head cover.
Fig. 2: Locating Breather Pipe Assembly
Courtesy of KIA MOTORS AMERICA, INC.
3. Loosen the cylinder head cover bolts and then remove the cover (A) and gasket.
Fig. 3: Locating Cylinder Head Cover
Courtesy of KIA MOTORS AMERICA, INC.
5. Set No.1 cylinder to TDC/compression.
1. Turn the crankshaft pulley and align its groove with the timing mark "T" of the lower timing chain
cover.
2008 Kia Sedona
2008 ENGINE Mechanical - Sedona
Microsoft
Saturday, May 22, 2010 3:54:35 PM
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© 2006 Mitchell Repair Information Company, LLC.
Fig. 4: Aligning Crankshaft Pulley With Timing Mark "T" Of Lower Timing Chain Cover
Courtesy of KIA MOTORS AMERICA, INC.
2. Check that the mark (A) of the camshaft timing sprockets are in straight line on the cylinder head
surface as shown in Fig. 5.
If not, turn the crankshaft one revolution (360°)
Fig. 5: Locating Marks Of Camshaft Timing Sprockets
Courtesy of KIA MOTORS AMERICA, INC.
6. Inspect the valve clearance.
1. Check only the valve indicated as shown in Fig. 6. [No. 1 cylinder: TDC/Compression] measure
the valve clearance.
NOTE:
Do not rotate engine counterclockwise
2008 Kia Sedona
2008 ENGINE Mechanical - Sedona
Microsoft
Saturday, May 22, 2010 3:54:35 PM
Page 11
© 2006 Mitchell Repair Information Company, LLC.
Fig. 6: Identifying Valves To Check (No. 1 Cylinder: TDC/Compression)
Courtesy of KIA MOTORS AMERICA, INC.
Measurement method.
Using a thickness gauge, measure the clearance between the tappet and the base circle of
camshaft.
Record the out-of-specification valve clearance measurements. They will be used later to
determine the required replacement adjusting tappet.
Valve clearance
Specification
Engine coolant temperature: 20°C [68°F]
Limit
Intake: 0.10-0.30 mm (0.0039-0.0118 in.)
Exhaust: 0.20-0.40 mm (0.0079-0.0157 in.)
2. Turn the crankshaft pulley one revolution (360°) and align the groove with timing mark "T"
of the lower timing chain cover.
3. Check only valves indicated as shown in Fig. 7. [No. 4 cylinder: TDC/compression]. Measure the
valve clearance. See Measurement method.
NOTE:
Do not rotate engine counterclockwise
2008 Kia Sedona
2008 ENGINE Mechanical - Sedona
Microsoft
Saturday, May 22, 2010 3:54:35 PM
Page 12
© 2006 Mitchell Repair Information Company, LLC.
Fig. 7: Identifying Valves To Check (No. 4 Cylinder: TDC/Compression)
Courtesy of KIA MOTORS AMERICA, INC.
7. Adjust the intake and exhaust valve clearance.
1. Set the No.1 cylinder to the TDC/compression. Refer to step 5.
2. Remove the timing chain. Refer to REMOVAL.
3. Remove the camshaft bearing caps (A).
Fig. 8: Locating Camshaft Bearing Caps
Courtesy of KIA MOTORS AMERICA, INC.
NOTE:
Before removing the timing chain, mark the RH/LH timing chain with
an identification based on the location of the sprocket because the
identification mark on the chain for TDC (Top Dead Center) can be
erased.
2008 Kia Sedona
2008 ENGINE Mechanical - Sedona
Microsoft
Saturday, May 22, 2010 3:54:35 PM
Page 13
© 2006 Mitchell Repair Information Company, LLC.
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