Check hydraulic valve clearance compensating elements

AR05.00-D-2010WE

Check hydraulic valve clearance compensating elements

26.7.11

21.6.11

Special tool for counterholder 651 589 08 40 00 added

Operation step 4

 

Remove/install

1

Check engine oil level, correct if necessary

 The engine oil level must not lie above the maximum marking. Engine damage may occur otherwise.



Low SPAsh multigrade service engine oils (specification 228.51)

Sheet 228.51

BB00.40-P-0228-51A



Multigrade service engine oil Low SPAsh

Sheet 229.31

BB00.40-P-0229-31A

 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-D-5014WE



Checking

4

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

 Do not turn engine against direction of engine rotation.

 Counterholder (with code (H08) High performance A/C or with code (HK4) Rear A/C, enhanced)

*651589004000

 Counterholder (without code (H08) High performance A/C or without code (HK4) Rear A/C, enhanced)

*651589084000

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 the oil ducts with compressed air in the flow direction of the oil if necessary.

If one compensation element (2) drops much more than other compensation elements (2), replace compensation element (2) in question:

See: 

Remove/install a compensation element

AR05.00-D-2011WE

6

Install in the reverse order