LEMON Manuals: Even more car manuals for everyone
Home >> Smart >> 2015 >> Fortwo Electric Drive, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 18 (Engine Timing - 212 Chassis - 2 Of 2) >> Testing & Repair >> Remove/install valves >> Remove/install valves - AR05.30-P-3511CD

Remove/install valves - AR05.30-P-3511CD

WARNING: This page does not describe the selected car, but rather 33 other vehicles, including the 2016 Mercedes-Benz E63 S AMG, 2016 Mercedes-Benz E400, 2016 Mercedes-Benz E350, 2016 Mercedes-Benz E300, and 2016 Mercedes-Benz E250. However, it is still accessible from the selected car via links, so may be relevant.

ENGINES 651 in MODELS 166, 172, 204, 207, 212, 218, 221 

Fig 1: Valves Remove/Install Components (1 Of 2)
G09974448Courtesy of MERCEDES-BENZ USA
Fig 2: Valves Remove/Install Components (2 Of 2)
G09974449Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install     
1 Remove glow plugs   AR15.20-P-4111CD
2 Remove cylinder head (1)   AR01.30-P-5800CD
3 Mount cylinder head (1) on the assembly device (01) IMPORTANT Observe owner's manual from the assembly device manufacturer SPECIAL TOOL (01).  
    SPECIAL TOOL Assembly device Figure
4 Put together valve assembly tool and mount on the assembly device (01) IMPORTANTSPECIAL TOOLSPECIAL TOOL Mount retaining fork on sliding piece (05) and place SPECIAL TOOL thrust piece (04) vertically on upper valve spring retainer (2).  
    SPECIAL TOOL Valve assembly tool case Figure
5 Press valve springs (3) together with valve assembly tool and remove valve keepers (4) IMPORTANT Use tweezers or SPECIAL TOOL magnetic finger (07).
INSTALLATION NOTES Ensure valve keepers (4) are properly fitted. This avoids loosening of the valve (6).		  
    SPECIAL TOOL Magnetic finger Figure
6 Remove upper valve spring retainer (2) and valve spring (3) IMPORTANT Check upper valve spring retainer (2) for scouring and replace if required.  
7 Remove valve stem seals with pliers INSTALLATION IMPORTANT Use new valve stem seals. Fit protective sleeve onto the valve stem. Oil valve stem seals and press on with a drift.  
    SPECIAL TOOL Pliers Figure
    SPECIAL TOOL Drift Figure
8 Take off lower valve spring retainer (5) IMPORTANT Check lower valve spring retainer (5) for score marks, cracks and pitting; replace if necessary.  
9 Remove cylinder head (1) from assembly device (01) and take out valves (6) INSTALLATION IMPORTANT Check shaft surface of valve for roughness and ridging and valve seat rings for roughness of the user interface (visual inspection or a with nail probe). Replace valves that have rough stem surfaces or burrs.  
10 Install in the reverse order    
Fig 3: Identifying Valve Installation Tools Case (111 589 25 61 00)
G09974450Courtesy of MERCEDES-BENZ USA
Fig 4: Identifying Magnetic Finger (116 589 06 63 00)
G09974451Courtesy of MERCEDES-BENZ USA
Fig 5: Identifying Assembly Device (271 589 00 59 00)
G09974452Courtesy of MERCEDES-BENZ USA
Fig 6: Identifying Drift (604 589 00 43 00)
G09974453Courtesy of MERCEDES-BENZ USA
Fig 7: Identifying Pliers (606 589 00 37 00)
G09974454Courtesy of MERCEDES-BENZ USA
scientia non olet · About LEMON Manuals