Remove/install timing case cover

AR01.40-P-8000MFD

Remove/install timing case cover

18.02.2020

Engine

282 in model 118, 177, 247

Modification notes

21.10.2019

Document completely revised.

1

Bolts

2

Bolts

3

Coolant pump guide pulley

4

Bolts

Y49/1

Intake camshaft solenoid

Y49/2

Exhaust camshaft solenoid

5

Dowel pins

6

Timing case cover

A

Sealing surface

B

Sealing surface

C

Sealing surface

D

Sealing surface

 Warning

Risk of injury. Skin or eye injuries may result when handling hot or glowing objects.

Wear protective gloves, protective clothing and safety glasses, if necessary.

AS00.00-Z-0002-01A

 Caution

Risk of injury to skin and eyes due to handling of engine oil. Risk of poisoning caused by swallowing engine oil

Wear protective gloves, protective clothing and safety glasses.
Do not fill engine oil into beverage containers.

AS18.00-Z-0001-01A

 Caution

Risk of injury caused by scraping or cutting body parts on sharp vehicle parts

Always wear protective gloves when working on or near sharp and non-deburred vehicle parts.
Deburr repair panels.

AS00.00-Z-0017-01A

Topical note

Notes on avoiding damage through contamination and foreign objects

AH00.00-P-5000-01A

Topical note

Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

Notes on safety-relevant components

AH00.00-Z-0019-01A

 

Remove/install

1

Switch off ignition and store transmitter key outside of transmitter range (min. 2 m).

2

Remove upper engine cover.



AP01.10-P-2405-01D

 Installation: Only install upper engine cover once leak test has been completed.

3

Remove front right engine mount.

AR22.10-P-1102MFD

 Installation: Install bottom engine compartment lining only after completing the leak test.

4

Remove belt pulley of the crankshaft.

AR03.30-P-1600MFD

 Installation: Replace front radial shaft sealing ring.

5

Remove coolant pump guide pulley (3).

 Screw/bolt, guide pulley to coolant pump

*BA20.10-P-1001-01DA

6

Check bearings of the coolant pump for ease of movement and end play and radial play.

If a complaint has been submitted,



Replace coolant pump.

AR20.10-P-1271MFD

7

Remove intake camshaft adjustment solenoid (Y49/1).

AR05.20-P-7305MFD

 Installation: Replace seal.

8

Remove exhaust camshaft adjustment solenoid (Y49/2).

AR05.20-P-7306MFD

 Installation: Replace seal.

9

Unclip electrical wiring harness of the intake camshaft adjustment solenoids (Y49/1) and exhaust camshaft (Y49/2) from timing case cover (6).

 Clip remover

*452589016300

10

Remove screws (1, 2, 4) from the timing case cover (6) in reverse order of the tightening procedure.

AR01.40-P-8000-02MFD

 Installation: Observe tightening procedure.

 Screw, timing case cover to crankcase/cylinder head/oil pan

*BA01.40-P-1001-01BA

11

Release timing case cover (6) using a suitable tool and remove.

Notes on sealant path for timing case cover

AH01.40-P-1000-01MFD

 Installation: Apply sealant according to the sealant path.

 Installation: Ensure that the dowel pins are seated correctly (5).

Sealant, Loctite 5970, 50 ml

*BR00.45-Z-1013-01A

 Application gun

*112589002500



Clean

12

Clean sealing surfaces on the crankcase.

AR01.00-P-0050-01A

Notes on application of flange sealants to seal major assemblies

AH00.00-P-0500-01MNE

Loctite 7063 (400 ml) cleaning spray

*BR00.45-Z-1046-04A

Loctite 7200

*BR00.45-Z-1038-04A

13

Clean sealing surfaces (A, B, C, D) on the timing case cover (6).

AR01.00-P-0050-01A

Notes on application of flange sealants to seal major assemblies

AH00.00-P-0500-01MNE

Loctite 7063 (400 ml) cleaning spray

*BR00.45-Z-1046-04A

Loctite 7200

*BR00.45-Z-1038-04A

14

Install in the reverse order.



Check

15

Check engine oil level, correct if necessary.



AP18.00-P-0101MFB

 Warning

Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.

Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.

AS00.00-Z-0005-01A

16

Carry out engine test run and check function and leak tightness of the engine.

17

Install lower engine compartment lining.

AR61.20-P-1105MFA

18

Install upper engine cover.



AP01.10-P-2405-01D

 Crankcase, timing case cover, end cover

Number

Designation

Engine 282

BA01.40-P-1001-01BA

Screw, timing case cover to crankcase/cylinder head/oil pan

M6

Nm

8

M8

Nm

20

M10

Nm

39

 Coolant pump, coolant thermostat

Number

Designation

Engine 282

BA20.10-P-1001-01DA

Screw/bolt, guide pulley to coolant pump

M6

Nm

8

Repair materials

Number

Designation

Order number

BR00.45-Z-1013-01A

Sealant, Loctite 5970, 50 ml

A 003 989 98 20 10

BR00.45-Z-1038-04A

Loctite 7200

Henkel AG & Co. KGaA
http://www.loctite.de

BR00.45-Z-1046-04A

Loctite 7063 (400 ml) cleaning spray

A 001 986 71 71 09