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Home >> Mercedes Benz >> 1995 >> E420 >> Repair and Diagnosis >> External Pages >> Different car >> Section 18 (Engine Timing - 140 Chassis) >> Repair & Adjustments >> Checking and replacing hydraulic valve clearance compensating elements (bucket tappets) (05-2110) >> Checking and replacing hydraulic valve clearance compensating elements (bucket tappets) - RA05001042110X(05-2110)

Checking and replacing hydraulic valve clearance compensating elements (bucket tappets) - RA05001042110X(05-2110)

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Operation no. of operation texts and work units or standard texts and flat rates

05-2010-2500

Fig 1: Hydraulic Valve Clearance Compensating Elements - System Diagram
G04677451Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
VALVE CLEARANCE

Cylinder head cover remove, install (01-0500) .
Cam on respective bucket tappet position to base circle (lobe of cam must face up).
Bucket tappet press with suitable tool (not steel tool).
Bucket tappets if one tappet can be pressed more easily in comparison to the others, replace this bucket tappet.
BUCKET TAPPET CLEARANCE

Relevant camshaft remove, install (05-2200) .
Bucket tappet of respective cylinder pull up with rubber sucker and remove.
IMPORTANT
Install bucket tappet 1st version, 82 g, only together with double valve spring. Bucket tappet 2nd version, 67 g, and 3rd version, 52 g, can be installed with the following valve springs,
  • cyl. double valve spring,
  • cyl. single valve spring,
  • conical valve spring.

Magnets must not be used as minute iron swarf may gather on the magnetized surfaces of the bucket tappet and produces damage to buckets and cams.
The bucket tappets must be re-installed at the same point.
Basic bore inspect visually.
COMMERCIALLY AVAILABLE TOOL

Rubber sucker Ø 30 mm e.g. Hazet, no. 735-2