Hyundai Palisade: Cylinder Block / Crankshaft

Hyundai Palisade (LX2) 2020-2024 Service Manual / Engine Mechanical System / Cylinder Block / Crankshaft

Repair procedures
Disassembly
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   
•
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.
•
Inspect the timing chain before removing the cylinder head.
•
Turn the crankshaft damper pulley so that the No.1 piston is at top dead center (TDC).
1.
Remove the engine assembly from the vehicle.
(Refer to Engine and Transaxle Assembly - "Engine And Transaxle Assembly")
2.
Remove the transaxle assembly from the engine assembly.
(Refer to Automatic Transaxle System - "Automatic Transaxle")
3.
Remove the drive plate and adapter plate.
(Refer to Cylinder Block - "Drive Plate")
4.
Remove the rear oil seal case.
(Refer to Cylinder Block - "Rear Oil Seal")
5.
Install the engine assembly to engine stand for disassembly.
6.
Remove the surge tank.
(Refer to Intake and Exhaust System - "Surge Tank")
7.
Remove the intake manifold.
(Refer to Intake and Exhaust System - "Intake Manifold")
8.
Remove the exhaust manifold.
(Refer to Intake and Exhaust System - "Exhaust Manifold")
9.
Remove the timing chain.
(Refer to Timing System - "Timing Chain")
10.
Remove the water temperature control assembly.
(Refer to Cooling System - "Water Temperature Control Assembly")
11.
Remove the cylinder head assembly.
(Refer to Cylinder Head Assembly - "Cylinder Head")
12.
Remove the lower oil pan and upper oil pan.
(Refer to Lubrication System - "Oil Pan")
13.
Remove the oil pump.
(Refer to Lubrication System - "Oil Pump")
14.
Remove the oil filter body.
(Refer to Lubrication System - "Oil filter body")
15.
Remove the baffle plate (A).

Hyundai Palisade. Repair procedures
16.
Check the connecting rod end play.
(Refer to Cylinder Block - "Piston and Connecting Rod")
17.
Check the connecting rod cap oil clearance.
(Refer to Cylinder Block - "Piston and Connecting Rod")
18.
Remove the piston and connecting rod assemblies.
(Refer to Cylinder Block - "Piston and Connecting Rod")
19.
Remove the crankshaft main bearing cap and check oil clearance.
20.
Check the crankshaft end play.
21.
Remove the crankshaft. Lift the crankshaft (A) out of engine, being careful not to damage journals.

Hyundai Palisade. Repair procedures

Hyundai Palisade. Repair procedures   
•
Arrange the main bearings and thrust bearings in the correct order.
Inspection
1.
Check the crankshaft bearing oil clearance.
(1)
To check main bearing-to-journal oil clearance, remove the main bearing caps and bearing halves.
(2)
Clean each main journal and bearing half with a clean shop towel.
(3)
Place one strip of plastigage across each main journal.
(4)
Reinstall the bearings and caps, and torque the bolts.
Tightening torque :
No.1 - 8 : 49.0 N.m (5.0 kgf.m, 36.2 lb.ft) + 90°
No.9 - 16 : 19.6 N.m (2.0 kgf.m, 14.5 lb.ft)+ 120°
No.17 - 24 : 29.4 - 31.4 N.m (3.0 - 3.2 kgf.m, 21.7 - 23.1 lb.ft)

Hyundai Palisade. Repair procedures

Hyundai Palisade. Repair procedures   
•
Always use new crankshaft main bearing cap bolts. Crankshaft main bearing cap bolts are torque-to-yield bolts designed to bepermanently elongated beyond the state of elasticity when torqued, so if the bolts are removed and reused, it may cause the bolts to break or fail to maintain clamping force.
•
Do not turn the crankshaft.
(5)
Remove the cap and bearing again, and measure the widest part of the plastigage.
Standard oil clearance :
0.023 - 0.041 mm (0.0009 - 0.0016 in.)

Hyundai Palisade. Repair procedures
(6)
If the plastigage measures too wide or too narrow, remove the upper half of the bearing, install a new, complete bearing with the same color mark (select the color as shown in the next column), and recheck the clearance.
Hyundai Palisade. Repair procedures   
•
Do not file, shim, or scrape the bearings or the caps to adjust clearance.
(7)
If the plastigage shows that the clearance is still incorrect, try the next larger or smaller bearing (the color listed above or below that one), and check clearance again.
Hyundai Palisade. Repair procedures   
•
If the proper clearance cannot be obtained by using the appropriate larger or smaller bearings, replace the crankshaft and start over.
Hyundai Palisade. Repair procedures   
•
If the marks are indecipherable because of an accumulation of dirt and dust, clean with solvent or detergent instead of scrubbing with a wire brush or scraper.
Crankshaft bore mark location
Letters are stamped on the block as a mark for the size of each of the 4 main journal bores.
Use them, and the numbers or bar stamped on the crank (marks for main journal size), to choose the correct bearings.

Hyundai Palisade. Repair procedures

Identification of Cylinder Block
Class
Mark
Inside Diameter
a
 A
 73.500 - 73.506 mm
(2.8937 - 2.8939 in.)
b
 B
 73.506 - 73.512 mm
(2.8939 - 2.8942 in.)
c
 C
 73.512 - 73.518 mm
(2.8942 - 2.8944 in.)

Crankshaft Journal Mark Location
Identification of Crankshaft

Hyundai Palisade. Repair procedures

Identification of Crankshaft
Class
Mark
Outside Diameter of Journal
I
 1 or A
 68.954 - 68.960 mm
(2.7147 - 2.7150 in.)
II
 2 or B
 68.948 - 68.954 mm
(2.7145 - 2.7147 in.)
III
 3 or C
 68.942 - 68.948 mm
(2.7142 - 2.7145 in.)

Place of Identification Mark (Crankshaft Bearing)

Hyundai Palisade. Repair procedures

Identification of Crankshaft Bearing
Class
Mark
Thickness Of Bearing
E
 Blue
 2.276 - 2.279 mm (0.0896 - 0.0897 in.)
D
 Black
 2.273 - 2.276 mm (0.0895 - 0.0896 in.)
C
 Red
 2.270 - 2.273 mm (0.0894 - 0.0895 in.)
B
 Green
 2.267 - 2.270 mm (0.0893 - 0.0894 in.)
A
 Yellow
 2.264 - 2.267 mm (0.0891 - 0.0893 in.)

Selection

 Crankshaft Bore Identification Mark
a (A)
 b (B)
 c (C)
Crankshaft Identification Mark
1 or A
 A
(Yellow)
 B
(Green)
 C
(Red)
2 or B
 B
(Green)
 C
(Red)
 D
(Black)
3 or C
 C
(Red)
 D
(Black)
 E
(Blue)

2.
Check crankshaft end play.
Using a dial indicator, measure the thrust clearance while prying the crankshaft back and forth with a screwdriver.
Standard end play :
0.10 - 0.28 mm (0.0039 - 0.0110 in.)

Hyundai Palisade. Repair procedures

If the end play is greater than maximum, replace the thrust bearings as a set.
Thrust bearing thickness :
2.41 - 2.45 mm (0.0949 - 0.0964 in.)
3.
Inspect main journals and crank pins
Using a micrometer, measure the diameter of each main journal and crank pin.
Main journal diameter :
68.942 - 68.960 mm (2.7142 - 2.7149 in.)
Crank pin diameter :
54.954 - 54.972 mm (2.1635 - 2.1642 in.)

Hyundai Palisade. Repair procedures
Reassembly
Hyundai Palisade. Repair procedures   
•
Thoroughly clean all parts to be assembled.
•
Before installing the parts, apply fresh engine oil to all sliding and rotating surfaces.
•
Replace all gaskets, O-rings and oil seals with new parts.
1.
Install the main bearings.
Hyundai Palisade. Repair procedures   
•
There are oil grooves or oil holes on upper bearings whereas there is none on lower bearings.
(1)
Align the bearing claw with the claw groove of the cylinder block, and push in the 4 upper bearings (A).

Hyundai Palisade. Repair procedures
(2)
Align the bearing claw with the claw groove of the main bearing cap, and push in the 4 lower bearings.
2.
Install the thrust bearings.
Install the 2 thrust bearings (A) under the No. 3 journal position of the cylinder block with the oil grooves facing outward.

Hyundai Palisade. Repair procedures
3.
Place the crankshaft (A) on the cylinder block.

Hyundai Palisade. Repair procedures
4.
Place the main bearing caps on cylinder block.
5.
Install the main bearing cap bolts.
(1)
Install and uniformly tighten the bearing cap bolts, in several passes, in the sequence shown.
Tightening torque
Main bearing cap bolt
No.1 - 8 : 49.0 N.m (5.0 kgf.m, 36.2 lb.ft) + 90°
No.9 - 16 : 19.6 N.m (2.0 kgf.m, 14.5 lb.ft) + 120°
No.17 - 24 : 29.4 - 31.4 N.m (3.0 - 3.2 kgf.m, 21.7 - 23.1 lb.ft)

Hyundai Palisade. Repair procedures

Hyundai Palisade. Repair procedures   
•
Always use new crankshaft main bearing cap bolts. Crankshaft main bearing cap bolts are torque-to-yield bolts designed to bepermanently elongated beyond the state of elasticity when torqued, so if the bolts are removed and reused, it may cause the bolts to break or fail to maintain clamping force.
•
If any of the bearing cap bolts are broken or deformed, replace it.
(2)
Check that the crankshaft turns smoothly.
6.
Check crankshaft end play.
7.
Install the piston and connecting rod assemblies.
(Refer to Cylinder Block - "Piston and Connecting Rod")
8.
Install the baffle plate.
Install and uniformly tighten the baffle plate bolts, in several passes, in the sequence shown.
Tightening torque :
9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb.ft)

Hyundai Palisade. Repair procedures
9.
Assemble the remaining parts in the reverse order of disassembly.
Hyundai Palisade. Repair procedures   
After replacing the crankshaft with a new one, select the proper connecting rod bearing according to the pin journal mark on the crankshaft.
•
Connecting rod bearing selection
(Refer to Cylinder Block - "Piston and Connecting Rod")

    Piston and Connecting Rod

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