Kia Stinger CK: Lubrication System / Balance Shaft & Oil Pump

Kia Stinger (CK) 2018-2023 Service Manual / Engine Mechanical System / Lubrication System / Balance Shaft & Oil Pump

Repair procedures
Removal

BSM (Balance Shaft Module) Chain System

1.

Remove the timing chain.

(Refer to Timing System - "Timing Chain")

2.

Install a stopper pin (A) after compressing the balance shaft chain tensioner.
3.

Remove the balance shaft chain tensioner (B).
4.

Remove the balance shaft chain tensioner arm (A).
5.

Remove the balance shaft chain guide (A).
6.

Remove the balance shaft module (BSM) after removing the BSM mounting bolts.

  

Do not disassemble the BSM (Balance Shaft Module).
7.

Remove the balance shaft module (BSM) (A) from the chain (B).
8.

Remove the balance shaft chain (A).

BSM (Balance Shaft Module)

1.

Remove the oil pan.

(Refer to Lubrication System - "Oil Pan")

2.

Set No.1 cylinder to TDC/compression.

(1)

Turn the crankshaft pulley and align its groove with the timing mark "T" of the timing chain cover.
(2)

Confirm that the BSM sprocket timing mark (A) is visually aligned with center of adjacent cast timing notch (B).

[Front]

[Rear]

3.

Put a mark on the timing chain (A) corresponding to the timing mark (B) of the sprocket.
4.

Insert a stopper pin (A) into the hole on the tensioner after compressing the balance shaft chain tensioner piston.
5.

Remove the BSM mounting bolts.
6.

Remove the BSM balance shaft module (BSM) (A) while taking off the chain from the sprocket.

  

Do not disassemble the BSM (Balance Shaft Module).
Installation

BSM(Balance Shaft Module) Chain System

1.

The key (A) of crankshaft should be aligned with the mating face of main bearing cap. As a result of this, the piston of No.1 cylinder is placed at the top dead center on compression stroke.
2.

Match the timing marks of balance shaft chain sprocket (A) and balance shaft chain (B), then install the balance shaft chain (C).

3.

Insert a stopper pin (A) on the BSM to hold the sprocket at the reference position with the timing mark (B) aligned with the timing notch (C).

[Front]

[Rear]

  

New BSM has already been installed with a stopper pin at the reference position.
4.

Install the balance shaft module (BSM).

(1)

Match the timing marks of balance shaft chain sprocket (A) and balance shaft chain (B), then install the balance shaft sprocket on the chain.
(2)

Install the balance shaft module (BSM) (A).
(3)

Tighten the bolts with seating torque 29.4 N·m (3.0kgf·m, 21.7 lb-ft) and then loosen the bolts.
(4)

Tighten the bolts with specified tightening torque and angle.

Tightening torque :

22.6 - 26.5 N·m (2.3 - 2.7 kgf·m, 16.6 - 19.5 lb·ft) + 43° - 47°

5.

Install the balance shaft chain guide (A).

Tightening torque :

9.8 - 11.8 N·m (1.0 - 1.2 kgf·m, 7.2 - 8.7 lb·ft)

6.

Install the balance shaft chain tensioner arm (A).

Tightening torque :

9.8 - 11.8 N·m (1.0 - 1.2 kgf·m, 7.2 - 8.7 lb·ft)

7.

Install the balance shaft chain tensioner (B) then remove the stopper pin (A).

Tightening torque :

9.8 - 11.8 N·m (1.0 - 1.2 kgf·m, 7.2 - 8.7 lb·ft)

8.

Remove the stopper pin (A) of balance shaft module.
9.

After rotating crankshaft 2 revolutions in regular direction (clockwise viewed from front), confirm that the timing mark and notch are aligned at the reference position.
10.

Install the other parts in the reverse order of removal.

BSM (Balance Shaft Module)

1.

Insert a stopper pin (A) on the BSM to hold the sprocket at the reference position with the timing mark (B) aligned with the timing notch (C).

[Front]

[Rear]

2.

Install the balance shaft module (BSM).

(1)

Match the timing marks of balance shaft chain sprocket (A) and balance shaft chain (B), then install the balance shaft sprocket on the chain.
(2)

Install the balance shaft module (BSM) (A).
(3)

Tighten the bolts with seating torque 29.4 N·m (3.0kgf·m, 21.7 lb-ft) and then loosen the bolts.
(4)

Tighten the bolts with specified tightening torque and angle.

Tightening torque :

22.6 - 26.5 N·m (2.3 - 2.7 kgf·m, 16.6 - 19.5 lb·ft) + 43° - 47°

  

Always use a new balance shaft module (BSM) bolts.
3.

Remove the stopper pin (A) from the BSM.
4.

Remove the stopper pin (A) from the tensioner.

  

When the crankshaft sprocket rotates four times, the BSM sprocket rotates five times, the drive shaft rotates eight times and returns to its original position.
5.

Confirm that the sprocket timing mark (A) is visually aligned with center of adjacent cast timing notch (B).
6.

Install the other parts in the reverse order of removal.

Oil Pan

Oil Pressure Switch

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