Hyundai Sonata: Timing System / Timing Chain Cover Repair procedures

Hyundai Sonata LF 2014-2019 Service Manual / Engine Mechanical System / Timing System / Timing Chain Cover Repair procedures

Removal

•	Use fender covers to avoid damaging painted surfaces.

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

Mark all wiring and hoses to avoid misconnection.

In case of removing the high pressure fuel pump, high pressure fuel pipe, delivery pipe, and injector, there may be injury caused by leakage of the high pressure fuel. So don’t do any repair work right after engine stops.

1.	Remove the drive belt. (Refer to Timing System - "Drive Belt")

2.	Remove the drive belt idler. (Refer to Timing System - "Idler")

3.	Remove the alternetor. (Refer to Engine Electrical System - "Alternator")

4.	Remove the alternetor bracket. (Refer to Engine Electrical System - "Alternator")

5.	Remove the engineroom under cover.

6.	Remove the crankshaft damper pulley. (Refer to Timing System - Crankshaft Damper Pulley")

7.	Remove the water pump. (Refer to Cooling System - "Water Pump")

8.	Remove the air cleaner assembly. (Intake and Exhaust System - "Air Cleaner")

9.	Remove the high pressure fuel pump. (Refer to Fuel System - "High Pressure Fuel Pump")

10.	Remove the cylinder head cover. (Refer to Cylinder Head Assembly - "Cylinder Head Cover")

11.	Remove the engine mounting support bracket. (Refer to Engine And Transaxle Assembly - "Engine Mounting")

12.	Remove the timing chain cover (A).

Installation

Install the timing chain cover.

(1)	Before installing, remove the hardened sealant from the cylinder block and ladder frame surface.

(2)

Apply the liquid gasket(TB 1217H or LOCTITE 5900H) on the surface between the cylinder head and the cylinder block.

Width : 3 ~ 5mm (0.1181~0.1969in.)

(3)

Apply the liquid gasket, THREE BOND 1282B or THREE BOND 1216E on the water pump contact parts (A) of the timing chain cover and THREE BOND 1217H or LOCTITE 5900H on the rest parts (B).

Reassemble the cover within 5 minutes.

Width : 3.5 ~ 4.5 mm (0.1378 ~ 0.1772 in)

Remove oil or dust on the surface surely.

(4)	Align the dowel pin of the cylinder block and the holes of the oil pump.

(5)

Tighten the bolts to install the timing chain cover (A).

Tightening torque

M8 bolts :

18.6 ~ 23.5 N.m (1.9 ~ 2.4 kgf.m, 13.7 ~ 17.4 lb-ft)

M6 bolts :

9.8 ~ 11.8 Nm (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 lb-ft)

2.	Install in the reverse order of removal.

Timing Chain Cover Components and Components Location

Components 1. Timing chain cover ...

Timing Chain Components and Components Location

Components 1. Timing chain2. Timing chain guide3. Timing chain arm4. Timing chain auto tensioner ...

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