ar0500p2011w

Remove/install hydraulic valve clearance compensating elements

Type ar · topic 05.00 · version 0201 · 2014-05-21

Applies to: ENGINE 276 in MODEL 172

Where it sits

Function group 1 Engine › 05 Engine timing › 05.00 General — Series 172

EinPAS 15 Engine › 15.17 Engine timing › 15.17.30 Valve train — Series 172

Also applies to engines/gearboxes: 276 ***

AR05.00-P-2011W

Remove/install hydraulic valve clearance compensating elements

25.3.14

ENGINE

276 in MODEL 172

Modification notes

25.3.14

Document adapted to changed repair method

Remove/install hydraulic valve clearance compensating elements

1	Roller-type cam follower
2	Compensating element

P05.00-2096-02

 	Remove/install
1	Remove camshafts		AR05.20-P-6992W
		 The camshaft positioners remain on the camshafts.
2	Remove roller cam follower (1) and compensating element (2)	 When removing several compensating elements (2) make sure that roller-type cam follower (1) with compensating elements (2), which were not replaced, are reinstalled at the previous fitting point. Mark the roller cam follower (1) for the corresponding compensating element (2) if necessary.
		 Installation: Lubricate roller cam follower (1) and compensating element (2).
	Check
3	Check that compensating element (2) is functioning properly, and replace if necessary	 Only push compensating element (2) together by hand, do not use a steel tool. The surface of the compensating element (2) can get damaged otherwise.
		 The compensating element (2) should not allow itself to be pressed together by the normal force of the hand and also only slowly when using a strong force.
		 Check the pressure oil supply to the cylinder head if more than one compensating element (2) is defective.
4	Install in the reverse order
 Danger !	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
5	Carry out an engine test run, checking the engine for proper operation and leaktightness

Referenced documents

ar0520p6992w Remove/install camshafts
as0000z000501a 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.