Remove/install timing case cover · ar0140d8000tsc · Mercedes-Benz WIS

AR01.40-D-8000TSC

Remove/install timing case cover

06.05.2020

Engine

274 in model 907

Modification notes

05.05.2020

Screw/bolt, oil line to timing case/connecting flange

BA18.30-P-1002-01L

1	Screw
2	Screw
3	Clip
4	Coolant hose
5	Electrical connector

D01.40-A002-06

6	Bolts
7	Heat exchanger
8	Intermediate flange
9	Electrical connector
10	Timing case cover
11	Bolts
12	Bolts

D01.40-A003-06

 	Remove/install
1	Remove air filter housing.		AR09.10-S-1150EG
2	Remove coolant pump.		AR20.10-D-1271TSC
3	Remove refrigerant compressor and place to one side with connected lines.		AR83.55-D-5310TSC
4	Remove alternator and place with connected lines to one side.		AR15.40-D-5032TSC
5	Unscrew screw (2), release clamp (3) and remove coolant hose (4).	 Hose clamp pliers	*454589003700
6	Cover working area in area of oil lines with suitable means.	 Cover working area. To catch escaping engine oil.
7	Unscrew screws (1), remove oil lines and seal with suitable stop plugs.	 Screw/bolt, oil line to timing case/connecting flange	*BA18.30-P-1002-01L
		 Record plug	*129589009100
8	Unscrew screws (6), place heat exchanger (7) with intermediate flange (8) and connected coolant hoses to one side.	 Screw/bolt, oil cooler connecting flange to timing case/crankcase	*BA18.30-P-1003-01L
9	Release and disconnect electrical connector (9) at timing case cover (10).
10	Remove belt pulley.		AR03.30-D-1700TSC
11	Remove poly-V-belt tensioning device.		AR13.25-D-3220TSC
12	Remove poly-V-belt guide pulley.		AR13.20-D-0015TSC
13	Remove front cap on cylinder head.		AR01.30-D-5700TSC
14	Remove oil filter element.
15	Remove oil pan.		AR01.45-D-7500TSC
16	Release and disconnect electrical connector (5).
17	Unscrew screws (11) of timing case cover (10) in reverse order to tightening procedure.		AR01.40-S-8000-02EG
		 Installation: Observe tightening procedure of timing case cover (10).
		 Bolt, timing case cover to crankcase	*BA01.40-N-1001-01I
18	Unscrew screws (12) of cylinder head at timing case cover (10).	 Installation: First position screws (12), then tighten screws (11).
		 Bolt, cylinder head to timing case cover	*BA01.30-N-1002-01X
19	Remove timing case cover (10).
	Notes on sealant path for timing case cover		AH01.40-P-1000-01MR
		 Do not hammer in tool for prying off between timing case cover (10) and crankcase. The sealing surfaces can be damaged otherwise.
		 Installation: Observe notes on sealant path of timing case cover (10).
		Sealant, Loctite 5970, 50 ml	*BR00.45-Z-1013-01A
	Clean
20	Clean sealing surfaces.		AR01.00-P-0050-01A
	Notes on application of flange sealants to seal major assemblies		AH00.00-P-0500-01MNE
		 Do not use any sharp-edged tools or abrasive paper. The sealing surfaces can be damaged otherwise.
		Loctite 7200	*BR00.45-Z-1038-04A
		Loctite 7063 (400 ml) cleaning spray	*BR00.45-Z-1046-04A
21	Install in the reverse order
 Warning	Risk of burn injuries, suffocation and poisoning when working on the exhaust system and the components connected to it. Risk of suffocation and risk of poisoning caused by inhalation of gaseous and solid components of the exhaust. Risk of poisoning caused by skin contact with solid components of the exhaust.	Wear protective clothing and safety glasses. Use the extraction system. Move people out of the hazard area.	AS49.00-Z-0001-01A
 Warning	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
22	Perform engine test run. While doing so, check engine for proper operation and leak tightness.

 Cylinder head

Number	Designation		Engine 274 in model 907
BA01.30-N-1002-01X	Bolt, cylinder head to timing case cover	Nm	20

 Crankcase, timing case cover, end cover

Number	Designation		Engine 274 in model 907
BA01.40-N-1001-01I	Bolt, timing case cover to crankcase	Nm	9

 Oil cooling

Number	Designation		Engine 274.9
BA18.30-P-1002-01L	Screw/bolt, oil line to timing case/connecting flange	Nm	8

 Oil cooling

Number	Designation		Engine 274.9
BA18.30-P-1003-01L	Screw/bolt, oil cooler connecting flange to timing case/crankcase	Nm	20

454 589 00 37 00

Hose clamp pliers

129 589 00 91 00

Record plug

Repair materials

Number	Designation	Order number
BR00.45-Z-1013-01A	Sealant, Loctite 5970, 50 ml	A 003 989 98 20 10
BR00.45-Z-1038-04A	Loctite 7200	Henkel AG & Co. KGaA http://www.loctite.de
BR00.45-Z-1046-04A	Loctite 7063 (400 ml) cleaning spray	A 001 986 71 71 09

Referenced documents

ah0000p050001mne Notes on application of flange sealants to seal major assemblies
ah0140p100001mr Notes on sealant path for timing case cover
ar0100p005001a Remove sealant
ar0130d5700tsc Remove/install front cap on cylinder head
ar0140s800002eg Tightening procedure for timing case cover
ar0145d7500tsc Remove/install oil pan
ar0330d1700tsc Remove/install belt pulley
ar0910s1150eg Remove/install air filter housing
ar1320d0015tsc Remove/install poly-V-belt guide pulley
ar1325d3220tsc Remove/install poly-V-belt tensioning device
ar1540d5032tsc Remove/install alternator
ar2010d1271tsc Remove/install coolant pump
ar8355d5310tsc Refrigerant compressor, remove/install
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.
as4900z000101a Risk of burn injuries, suffocation and poisoning when working on the exhaust system and the components connected to it. Risk of suffocation and risk of poisoning caused by inhalation of gaseous and solid components of the exhaust.