Removing, installing and sealing timing case guide rail - RA05001203500X(05-3500)

WARNING: This page does not describe the selected car, but rather 42 other vehicles, including the 1999 Mercedes-Benz S600, 1999 Mercedes-Benz S500, 1999 Mercedes-Benz S420, 1999 Mercedes-Benz S320, and 1999 Mercedes-Benz CL600. However, it is still accessible from the selected car via links, so may be relevant.

Preceding work:

Both front covers removed (01-2120) .

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

Fig 1: Identifying Sealing Timing Case Guide Rail Remove/Install Components

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Intake manifold gaskets (1)	remove, install (14-1310) .
Guard plate 120 589 06 31 00	attach to intake ports.
Crankshaft	turn to 30° after ignition TDC on cylinder 1 (step 3).
Timing chain	mark in relation to camshaft sprockets (step 4).
Chain tensioner (2)	remove, install (05-3100) .
Right exhaust camshaft sprocket (3)	unscrew (step 6).
Guide rail (4)	remove (step 7).
Profile gasket with cover (13)	remove, replace (step 8).
Guide rail bridge (15)	unscrew, remove (step 9).
Sealing surfaces	clean.
Contact surface of guide rail bridge (15)	coat with sealant 002 989 00 20 10 (step 10).
Guide rail bridge (15)	install (step 11).
Fitted bolts (16)	install with washers downward, tighten (21 Nm) (step 11).
Bolts (17)	install, tighten (21 Nm) (step 11).
Timing chain	position on marks on camshaft sprockets (step 12).
Guide rail (4)	install (step 13).
Right exhaust camshaft sprocket (3)	install with timing chain positioned on mark, tighten (16 Nm) (step 14).
Profile gasket	install together with cover (13) without sealant (step 15).

TIGHTENING TORQUES IN NM

Torx T40⁽¹⁾

Exhaust camshaft sprocket to camshaft

Initial torque Tightening angle

90°

Torx T30⁽²⁾

Guide rail bridge to cylinder head

⁽¹⁾	Do not re-use bolt after tightening to correct angle.

⁽²⁾	Replace 1st version by Torx T40 when performing repairs.

Special tools

Fig 2: Identifying Special Tool (001 589 72 21 00 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 3: Identifying Special Tool (120 589 06 31 00 01)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 4: Identifying Special Tool (589 01 01 00 05)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 5: Identifying Special Tool (000 589 01 10 00 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Removal, installation

Remove intake manifold gaskets (14-1310) .
Attach guard plate 120 589 06 31 00 to intake ports.
Turn crankshaft to 30° after ignition TDC on cylinder 1 in engine direction of rotation (arrow).
NOTE: In the position 30° before TDC the camshafts can be turned without the valves coming into contact with the piston crowns.

Fig 6: Locating Piston Position
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Marking timing chain relative to camshaft sprockets (arrows).
Remove chain tensioner (05-3100) .

Fig 7: Locating Timing Chain Relative To Camshaft Sprockets Marks
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Unscrew right exhaust camshaft sprocket (3), remove.
Pull guide rail (4) off of bearing bolt (4a).

Fig 8: Identifying Right Exhaust Camshaft Sprocket And Guide Rail
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Pull off profile gasket (arrows) together with cover (13).

Fig 9: Locating Profile Gasket With Cover
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Unscrew guide rail bridge (15) at rear, remove.
Clean sealing surfaces and contact surfaces on guide rail bridge (15) and coat with sealant 002 989 00 20 10.

Fig 10: Identifying Guide Rail Bridge
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Install guide rail bridge (15), screw in fitted bolts (16) with ground washers at bottom and bolts (17) at top.
Tighten fitted bolts (16) first, tightening torque 21 Nm.
Position timing chain on paint marks on camshaft sprockets.
NOTE: Turn camshafts with wrench 104 589 01 01 00.

Fig 11: Identifying Guide Rail Bridge And Fitted Bolts
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Slide guide rail (4) onto bearing bolt (4a).
Install right exhaust camshaft sprocket (3) with timing chain positioned on paint mark (arrows) and pay attention to tightening torque.

Fig 12: Locating Right Exhaust Camshaft Sprocket Paint Marks
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Install profile gasket (arrows) with cover (13) on guide rail bridge (15).
NOTE: Install profile rubber gasket (arrows) without sealant.
Install in opposite order.

Fig 13: Locating Profile Rubber Gasket With Cover
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.