Check hydraulic valve clearance compensating elements

AR05.00-P-2010CD

Check hydraulic valve clearance compensating elements

23.4.12

 

Remove/install

1

Check engine oil level, correct if necessary

 The engine oil level must lie between "Min" and "Max". Engine damage can occur otherwise.

 Danger!

Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near the engine as it is running

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

AS00.00-Z-0005-01A

2

Start engine and bring to operating temperature

 Coolant temperature 60 to 80°C.

3

Remove cylinder head cover

AR01.20-P-5014CD



Checking

4.1

Rotate engine at crankshaft using a counterholder in direction of engine rotation until the cam (3) on the compensation element (2) to be tested is on its base circle

Except code (B03) ECO start-stop function

 The engine must not be turned back. The timing chain can skip and cause engine damage otherwise.

 Counterholder

*651589004000

4.2

Rotate engine at crankshaft using a suitable tool in direction of engine rotation until the cam (3) on the compensation element (2) to be tested is on its base circle

With code (B03) ECO start/stop function

 The engine must not be turned back. The timing chain can skip and cause engine damage otherwise.

5

Press down compensation element (2) over cam follower (4) by hand using the appropriate tool (5)

 Do not use a steel tool. Press compensation element (2) downwards using normal force of the hand.

 If a number of compensation elements (2) drop, check oil ducts and oil feed bores for the compensation elements (2) for fouling; blow out oil ducts with compressed air in the direction of flow of the oil if necessary.

 If a compensation element (2) drops much more than other compensation elements (2), replace the compensation element (2) in question

See: 

Remove/install compensation element (2).

AR05.00-P-2011CD

6

Install in the reverse order