Kia Cadenza YG: Timing System / Timing Chain Cover Repair procedures

Kia Cadenza YG 2016-2021 Service Manual / Engine Mechanical System / Timing System / Timing Chain Cover Repair procedures

Removal
1.
Remove the LH/RH cylinder head cover.
(Refer to Cylinder Head Assembly - "Cylinder Head Cover")
2.
Remove the lower oil pan.
(Refer to Lubrication System - "Oil Pan")
3.
Remove the drive belt auto tensioner.
(Refer to Timing System - "Drive Belt Tensioner")
4.
Remove the crankshaft damper pulley.
(Refer to Timing System - "Crankshaft Damper Pulley")
5.
Remove the engine mounting bracket.
(Refer to Engine And Transmission Assembly - "Engine Mounting")
6.
Lift up the engine assembly slightly by using a jack to get access to the side of engine.
7.
Remove the water pump and gasket.
(Refer to Cooling System - "Water Pump")
8.
Remove the timing chain cover (A).

   
Be careful not to damage the contact surfaces of cylinder block, cylinder head and timing chain cover.
Installation
1.
Install the timing chain cover.
(1)
The sealant locations on chain cover and on counter parts (cylinder head, cylinder block, and lower oil pan) must be free of engine oil and etc.
(2)
Before assembling the timing chain cover, the liquid sealant TB 1217H should be applied on the gap between cylinder head and cylinder block. The part must be assembled within 5 minutes after sealant was applied.
Bead width : 2.5mm(0.1in.)

(3)
After applying liquid sealant TB 1217H on timing chain cover. The part must be assembled within 5 minutes after sealant was applied.
Sealant should be applied without discontinuity.

   
•
Fill the T-joint area (6EA *) with sealant.
•
Apply sealant all around the dowel pin hole (2EA).
(4)
Install the new gasket (A) to the timing chain cover.

   
During timing cover installation, care not to take off applied sealant on the timing cover by contact with other parts.
(5)
The dowel pins on the cylinder block and holes on the timing chain cover should be used as a reference in order to assemble the timing chain cover to be in exact position.
Tightening torque
A (17EA) :
18.6 ~ 21.6N.m (1.9 ~ 2.2kgf.m, 13.7 ~ 15.9lb-ft)
B (2EA) :
24.5 ~ 26.5N.m (2.5 ~ 2.7kgf.m, 18.1 ~ 19.5lb-ft)
C (1EA) :
58.8 ~ 68.8N.m (6.0 ~ 7.0kgf.m, 43.4 ~ 50.6lb-ft)
D (1EA) :
58.8 ~ 68.8N.m (6.0 ~ 7.0kgf.m, 43.4 ~ 50.6lb-ft)
E (3EA) :
9.8 ~ 11.8N.m (1.0 ~ 1.2kgf.m, 7.2 ~ 8.7lb-ft)

(6)
Running the engine or performing a pressure test should not be performed within 30 minutes of assembly.
2.
Install the front oil seal.
(Refer to Timing System - "Front Oil Seal")
3.
Install the other parts reverse order of removal.
   
•
Refill engine oil.
•
Clean the battery posts and cable terminals with sandpaper. Assemble and then apply grease to prevent corrosion.
•
Inspect for fuel leakage.
–
After assembling the fuel line, turn on the ignition switch (do not operate the starter) so that the fuel pump runs for approximately two seconds and fuel line pressurizes.
–
Repeat this operation two or three times, then check for fuel leakage at any point in the fuel lines.
•
Refill radiator and reservoir tank with engine coolant.
•
Bleed air from the cooling system.
–
Start engine and let it run until it warms up. (Until the radiator fan operates 3 or 4 times.)
–
Turn Off the engine and let it cool down. Check the level in the radiator, add coolant if needed. This will allow trapped air to be removed from the cooling system.
–
Put radiator cap on tightly, then run the engine again and check for leaks.

    Components 1. Timing chain cover2. Gasket

    Components 1. Oil pump chain cover2. Oil pump sprocket3. Oil pump chain 4. Oil pump tensioner assembly5. Crankshaft oil pump sprocket6. Crankshaft RH chain sprocket7.

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