Remove/install slide rail of timing chain

AR05.10-P-8480MFD

Remove/install slide rail of timing chain

14.08.2019

Engine

282 in model 118, 177, 247

1

Timing chain

9

Slide rail

2

Chain tensioner

12

Slide rail

5

Tensioning rail

13

Bolts

 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

 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

Topical note

Notes on avoiding damage through contamination and foreign objects

AH00.00-P-5000-01A

 

Remove/install

1

Check basic position of camshafts.

AR05.20-P-6010MFD

 Installation: Only install upper engine cover after the leak test.

2

Remove chain tensioner (2).

AR05.10-P-7800MFD

 Installation: Only install lower engine compartment paneling after leak test.

3

Unscrew bolts (13).

 Bolt, slide rail to cylinder head/crankcase

*BA05.10-P-1002-03D

4

Remove slide rail (9) from timing chain (1).

 Observe installation position of slide rail (9).

5

Remove slide rail (12).

 Observe installation position of slide rail (12).

6

Check slide rails (9, 12) for wear, galling, and damage.

If a problem is identified,



replace slide rails (9, 12), tensioning rail (5), and timing chain (1).

Install new timing chain tensioning rail

AR05.10-P-8510MFD

Replace timing chain

AR05.10-P-7602MFD

7

Install in the reverse order.

 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

8

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

9

Install lower engine compartment lining.

AR61.20-P-1105MFA

10

Install upper engine cover.



AP01.10-P-2405-01D

 Chain drive, belt drive

Number

Designation

Engine 282

BA05.10-P-1002-03D

Bolt, slide rail to cylinder head/crankcase

M8

Nm

20