Kia Sorento: Engine And Transaxle Assembly Repair procedures

Kia Sorento (MQ4, 2021-2026) Service Manual / Engine Mechanical System / Engine And Transaxle Assembly / Engine And Transaxle Assembly Repair procedures

Removal and Installation

•	Use fender covers to avoid damaging painted surfaces.

•	To avoid damage, disconnect the wiring connectors carefully while holding the connector portion.

Mark all wiring and hoses to avoid misconnection.

1.	Release the residual pressure in fuel line. (Refer to Fuel Delivery System - "Release Residual Pressure in Fuel Line")

2.	Disconnect the battery negative ( - ) terminal.

3.	Remove the engine cover. (Refer to Engine and Transaxle Assembly - "Engine Cover")

4.	Remove the air duct and air cleaner assembly. (Refer to Intake and Exhaust System - "Air Cleaner")

5.	Remove the battery and bettery tray. (Refer to Engine Electrical System - "Battery")

6.	Remove the engine room under cover. (Refer to Engine and Transaxle Assembly - "Engine Room Under Cover")

7.	Drain the engine coolant. (Refer to Cooling System - "Coolant")

8.	Disconnect the brake booster vacuum hose (A).

9.	Disconnect the fuel hose (A) and the purge control solenoid valve (PCSV) hose (B).

10.	Disconnect the radiator upper hose quick connector (A).

11.	Disconnect the radiator lower hose quick connector (A).

12.	Disconnect the wiring connector and harness clamps and remove the wiring protector around the engine and transaxle assembly.

13.	Disconnect the front connector (A).

14.

Remove the battery wiring protector (A).

Tightening torque

7.8 - 9.8 N·m (0.8 - 1.0 kgf·m , 5.7 - 7.2 lb·ft)

Engine Mechanical System — Engine And Transaxle Assembly / Repair procedures / Removal and Installation illustration

15.

Disconnect the fuse box wiring cable (A)

Tightening torque :

7.8 - 10.8 N·m (0.8 - 1.1 kgf·m , 5.7 - 8.0 lb·ft)

Engine Mechanical System — Engine And Transaxle Assembly / Repair procedures / Removal and Installation illustration

16.	Disconnect the heater hoses (A).

17.	Remove the transaxle wire harness connectors and control cable from the transaxle. (Refer to Automatic Transaxle System - "Automatic Transaxle")

18.	Recover the A/C refrigerant and then remove the A/C compressor high pressure pipe and low pressure pipe. (Refer to Heating, Ventilation Air Conditioning - "Compressor")

19.	Remove the front muffler. (Refer to Intake and Exhaust System - "Muffler")

20.	Remove the propeller shaft (If equipped with 4WD system) (Refer to Driveshaft and Axle - "Propeller Shaft Assembly")

21.

Remove the roll rod bracket (A).

Tightening torque

Bolts (B) : 49.0 - 63.7 N·m (5.0 - 6.5 kgf·m , 36.1 - 47.0 lb·ft)

Bolt (C) : 107.8 - 127.4 N·m (11.0 - 13.0 kgf·m , 79.5 - 94.0 lb·ft)

Engine Mechanical System — Engine And Transaxle Assembly / Repair procedures / Removal and Installation illustration

Always use a new roll rod bracket bolt (C).

22.

Remove the roll rod mounting support bracket (A).

Tightening torque :

49.0 - 68.6 N·m (5.0 - 7.0 kgf·m , 36.1 - 50.6 lb·ft)

Engine Mechanical System — Engine And Transaxle Assembly / Repair procedures / Removal and Installation illustration

23.	Remove the sub frame. (Refer to Suspension System - "Sub frame")

24.	Support the engine and transaxle assembly with a lift table.

25.

Disconnect the engine ground cable (A).

Tightening torque :

10.7 - 13.7 N·m (1.1 - 1.4 kgf·m , 7.9 - 10.1 lb·ft)

Engine Mechanical System — Engine And Transaxle Assembly / Repair procedures / Removal and Installation illustration

26.

Remove the engine mounting support bracket (A).

Tightening torque :

88.2 - 107.8 N·m (9.0 - 11.0 kgf·m , 65.0 - 79.5 lb·ft)

Engine Mechanical System — Engine And Transaxle Assembly / Repair procedures / Removal and Installation illustration

27.

Disconnect the transaxle ground cable (A).

Tightening torque :

10.7 - 13.7 N·m (1.1 - 1.4 kgf·m , 7.9 - 10.1 lb·ft)

Engine Mechanical System — Engine And Transaxle Assembly / Repair procedures / Removal and Installation illustration

28.	Remove the LH front wheel guard. (Refer to Body (Interior and Exterior) - "Front Wheel Guard")

29.

Remove the transaxle support bracket mounting bolts (A).

Tightening torque :

107.8 - 127.4 N·m (11.0 - 13.0 kgf·m , 79.5 - 94.0 lb·ft)

Engine Mechanical System — Engine And Transaxle Assembly / Repair procedures / Removal and Installation illustration

30.

Remove the engine and transaxle assembly by lifting vehicle.

Engine Mechanical System — Engine And Transaxle Assembly / Repair procedures / Removal and Installation illustration

•	Before removing the engine assembly, make sure hoses and wire connectors are disconnected.

•	When removing the engine and transaxle assembly, be careful not to damage any surrounding parts or body components.

Installation

1.	Install in the reverse order of removal.

Fill the coolant.

(Refer to Cooling System - "Coolant")

The coolant must be injected according to the integrated thermal management module (ITM) coolant filling method.

After installation, perform the following

•	Refill a radiator and a reservoir tank with engine coolant.

•	Inspect for fuel leakage.

–	After assemble 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 line.

•	Place a heater control knob on "HOT" position.

•	Clean the battery terminals and cable terminals with sandpaper, assemble them, and apply grease to prevent corrosion.

Engine Mounting Repair procedures

Removal and Installation Engine Mounting Bracket 1. Remove the engine room under cover. (Refer to Engine and Transaxle Assembly - "Engine...

Intake And Exhaust System

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Kia Sorento: Engine And Transaxle Assembly Repair procedures

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