Hyundai Palisade (LX2): Timing System / Timing Chain Cover

Hyundai Palisade (LX2) 2020-2026 Service Manual / Engine Mechanical System / Timing System / Timing Chain Cover

Repair procedures

Removal
Hyundai Palisade. Repair procedures   
•
Be careful not to damage the parts located under the vehicle (floor under cover, fuel filter, fuel tank and canister) when raising the vehicle using the lift.
(Refer to General Information - "Lift and Support Points")
Hyundai Palisade. Repair procedures   
•
When removing the high pressure fuel pump, high pressure fuel pipe, delivery pipe, and injector, there is possible risk of injury from leakage of high pressure fuel. Therefore, do not attempt repairing immediately after the engine stops.
Hyundai Palisade. Repair procedures   
•
Use fender covers to avoid damaging painted surfaces.
•
To avoid damage, unplug the wiring connectors carefully while holding the connector portion.
Hyundai Palisade. Repair procedures   
•
Mark all wiring and hoses to avoid misconnection.
1.
Remove the engine cover.
(Refer to Engine And Transaxle Assembly - "Engine Cover")
2.
Remove the engine room under cover.
(Refer to Engine And Transaxle Assembly - "Engine Room Under Cover")
3.
Drain the engine coolant.
(Refer to Cooling System - "Coolant")
4.
Drain the engine oil.
(Refer to Lubrication System - "Engine Oil")
5.
Remove the air cleaner assembly.
(Refer to Intake And Exhaust System - "Air Cleaner")
6.
Disconnect the variable force solenoid (VFS) valve connector (A) and ground cable (B).

Hyundai Palisade. Repair procedures

Hyundai Palisade. Repair procedures
7.
Remove the surge tank.
(Refer to Intake And Exhaust System - "Surge Tank")
8.
Remove the LH / RH cylinder head cover.
(Refer to Cylinder Head Assembly - "Cylinder Head Cover")
9.
Remove the drive belt.
(Refer to Timing System - "Drive Belt")
10.
Remove the idler.
(Refer to Timing System - "Idler")
11.
Remove the drive belt tensioner.
(Refer to Timing System - "Drive Belt Tensioner")
12.
Remove the crankshaft damper pulley.
(Refer to Timing System - "Crankshaft Damper Pulley")
13.
Remove the water pump.
(Refer to Cooling System - "Water Pump")
14.
Remove the lower oil pan.
(Refer to Lubrication System - "Oil Pan")
15.
Remove the RH and LH variable force solenoid (VFS) valve (A).
[RH]

Hyundai Palisade. Repair procedures

[LH]

Hyundai Palisade. Repair procedures

Hyundai Palisade. Repair procedures   
•
The variable force solenoid (VFS) must be removed before removing the timing chain cover.
16.
Remove the engine mounting support bracket.
(1)
Install the jack to the edge of the upper oil pan to support the engine.
Hyundai Palisade. Repair procedures   
•
Insert a rubber block between jack and upper oil pan.
(2)
Disconnect the engine ground cable (A).

Hyundai Palisade. Repair procedures
(3)
Remove the engine mounting support bracket (A).

Hyundai Palisade. Repair procedures
17.
Remove the timing chain cover (A).

Hyundai Palisade. Repair procedures

Hyundai Palisade. Repair procedures   
•
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, apply the liquid sealant TB 1217H on the gap between cylinder head and cylinder block. Assemble the part within 5 minutes of applying sealant.
Bead width : 4.0 mm (0.2 in.)

Hyundai Palisade. Repair procedures
(3)
Apply liquid sealant TB 1217H on timing chain cover. Assemble the part within 5 minutes of applying sealant.
Apply sealant in a continuous thread.

Hyundai Palisade. Repair procedures

Hyundai Palisade. Repair procedures   
•
Fill six (6) T-joint areas with sealant.
•
Apply sealant all around two (2) dowel pin holes.
(4)
Install the new gasket (A) to the timing chain cover.

Hyundai Palisade. Repair procedures

Hyundai Palisade. Repair procedures   
•
During timing chain cover installation, be careful not to peel off the sealant applied on the timing cover from contact with other parts.
(5)
Install the new O-ring (A).

Hyundai Palisade. Repair procedures
(6)
The dowel pins on the cylinder block and holes on the timing chain cover (A) should be used as a reference for assembling the timing chain cover to the exact position.
Tightening torque
A (21 pcs) :
18.6 - 21.6 N.m (1.9 - 2.2 kgf.m, 13.7 - 15.9 lb.ft)
B (2 pcs) :
24.5 - 26.5 N.m (2.5 - 2.7 kgf.m, 18.1 - 19.5 lb.ft)
C (2 pcs) :
58.8 - 68.8 N.m (6.0 - 7.0 kgf.m, 43.4 - 50.6 lb.ft)
D (3 pcs) :
9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb.ft)

Hyundai Palisade. Repair procedures

Hyundai Palisade. Repair procedures
(7)
Do not run the engine or perform pressure test within 30 minutes of assembly.
2.
Install the engine mounting support bracket.
(1)
Install the engine mounting support bracket (A).
Tightening torque :
98.1 - 117.7 N.m (10.0 - 12.0 kgf.m, 72.3 - 86.8 lb-ft)

Hyundai Palisade. Repair procedures
(2)
Connect the engine ground cable (A).

Hyundai Palisade. Repair procedures
(3)
Remove the jack from the upper oil pan.
3.
Install the RH and LH variable force solenoid (VFS) valve (A).
Tightening torque :
9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb.ft)
[RH]

Hyundai Palisade. Repair procedures

[LH]

Hyundai Palisade. Repair procedures

Hyundai Palisade. Repair procedures   
•
Do not use any dropped variable force solenoid (VFS) valve.
•
Note below cautions when installing variable force solenoid (VFS) valve.
1)
After replacing the O-ring (A) of variable force solenoid (VFS) valve, apply engine oil on new O-ring (A).

Hyundai Palisade. Repair procedures
2)
Push variable force solenoid (VFS) valve up to the timing chain cover, and temporarily tighten the bolt.
3)
Tighten the variable force solenoid (VFS) valve to the specified torque.
4.
Install the remaining parts in the reverse order of removal.
Hyundai Palisade. Repair procedures   
•
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 (without operating the starter) so that the fuel pump runs for approximately two seconds and fuel line pressurizes.
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Repeat this operation two to three times, and then check for fuel leakage at any point on 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, and add coolant if needed. This will allow trapped air to be released from the cooling system.
–
Put radiator cap on tightly, then run the engine again and check for leaks.

    Repair procedures Removal    • Be careful not to damage the parts located under the vehicle (floor under cover, fuel filter, fuel tank and canister) when raising the vehicle using the lift.

    Repair procedures Removal    • Be careful not to damage the parts located under the vehicle (floor under cover, fuel filter, fuel tank and canister) when raising the vehicle using the lift.

    Other information:

    Hyundai Palisade (LX2) 2020-2026 Service Manual: Special service tools

    Hyundai Palisade (LX2) 2020-2026 Service Manual: Description and operation

    Description • PDW consists of 8 sensors (front : 4 units, rear : 4 units) that are used to detect obstacles and transmit the result in three separate warning levels, the first, second and third to IBU via LIN communication.

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