ar0500p2011mt

Remove/install hydraulic valve clearance compensating elements

Type ar · topic 05.00 · version 0106 · 2013-11-06

Applies to: ENGINE 133 in MODEL 117, 156, 176 ENGINE 270 in MODEL 117, 156, 176, 242, 246.2

Where it sits

Function group 1 Engine › 05 Engine timing › 05.00 General — Series 117 · Series 156 · Series 176 · Series 242 · Series 246 (models 2**)

EinPAS 15 Engine › 15.17 Engine timing › 15.17.30 Valve train — Series 117 · Series 156 · Series 176 · Series 242 · Series 246 (models 2**)

Also applies to engines/gearboxes: 133 ***, 270 ***

AR05.00-P-2011MT

Remove/install hydraulic valve clearance compensating elements

22.10.2013

ENGINE	133 in MODEL 117, 156, 176
ENGINE	270 in MODEL 117, 156, 176, 242, 246.2

Remove/install hydraulic valve clearance compensating elements

Shown roller cam follower without code A14 (Camtronic)

1	Roller-type cam follower
2	Compensating element
3	Clip

P05.00-2048-02

 	Remove/install
1	Remove camshafts		AR05.20-P-6992MT
2	Take out roller cam follower (1) with compensating element (2)	 Installation: Vehicles with code A14(Camtronic)The correct roller cam follower (1) must be installed at the inlet side. Damage may occur to the camshaft or the cylinder head otherwise.
		 Vehicles with code A14(Camtronic) A different roller cam follower (1) is installed on the intake and at exhaust side.
		 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).
3	Detach the clamp (3) by hand and remove compensating element (2) from roller cam follower (1)
	Check
4	Check that compensating element (2) is functioning properly, and replace if necessary	 Only push compensating element (2) together by hand and 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.
5	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
6	Carry out an engine test run and check engine for leaktightness

Referenced documents

ar0520p6992mt 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.