Remove/install timing case cover

AR01.40-P-8000CD

Remove/install timing case cover

18.02.2020

Engine

651 in model 166, 172, 204, 207, 212, 218, 221

Modification notes

10.12.2018

Workshop equipment 000 588 00 31 02 Adaption replaced by 000 588 08 31 00 Adapter pick-up fork.

Operation step 3

Shown on engine 651.911

1

Bolts

4

Electrical connector

6

Bolts

2

Screw

5

Bolts

B60

Exhaust pressure sensor

3

Vacuum hose

7

Bolts

8

Bolts

9

Bolts

 

Remove/install

1.1

Remove engine

Engine 651 in model 172, 204 (except 204.082/282/904/982/984/997), 207, 212 (except 212.082/097/282/297), 218, 221

Engine 651 in model 172, 204 (except 204.082/282/904/982/984/997)

AR01.10-P-2400CDA

Engine 651 in model 207, 212 (except 212.082/097/098/282/297/298), 218

AR01.10-P-2400OMA

Engine 651.9 in model 212.098/298

AR01.10-P-2400EH

Engine 651 in model 221

AR01.10-P-2400SXA

1.2

Remove engine with front axle carrier

Engine 651 in model 166
Engine 651 in model 204.082/282/904/982/984/997
Engine 651 in model 212.082/097/282/297

Engine 651 in model 166.0

AR01.10-P-2500GQA

Engine 651 in model 204.082/282/904/982/984/997

AR01.10-P-2500OMD

Engine 651 in model 212.082/097/282/297

AR01.10-P-2500OMS

2

Remove engine from front axle carrier

Engine 651 in model 166
Engine 651 in model 204.082/282/904/982/984/997
Engine 651 in model 212.082/097/282/297

Engine 651 in model 166
Engine 651 in model 204.904/982/984/997
Engine 651 in model 212.082/097/282/297

AR01.10-P-2510OMD

3

Secure engine to assembly stand



000 588 00 31 00 Assembly stand for cars

WS01.00-N-3028B



000 588 08 31 00 Mounting fork adapter

WS01.00-P-0186B

4

Remove flywheel/drive plate

Engine 651 in model 166, 172, 204, 207, 212 (except 212.098/298), 218, 221

AR03.30-P-8001CD

Engine 651.9 in model 212.098/298

AR03.30-P-8001EH

5

Remove cylinder head cover

AR01.20-P-5014CD

6

Unscrew bolts (1, 2)

 Pull screw/bolts (2) upwards as far as it will go and fix with cable tie into the first position.

 Bolt, cylinder head to timing case cover

*BA01.30-P-1001-01V

7

Unclip vacuum hose (3) from the retaining clamps

8

Remove electrical connector (4) from bracket and disconnect

9

Remove screw/bolts (5) and lay fuel lines down to side

10

Remove radial shaft sealing ring from timing case cover

AR03.20-P-3063CD

 Installation: Replace radial shaft sealing ring.

11

Remove screw/bolts (6, 7, 8, 9) on timing case cover

Bolt plan for timing case cover

AR01.40-P-8000-01CD

 Installation: Follow the bolt plan.

 Bolt, timing case cover to crankcase/cylinder head/oil pan top section

*BA01.40-P-1001-01X

12

Pry off timing case cover carefully using a suitable tool


Do not hammer in a tool to pry off between cylinder head cover and timing case cover.
The sealing surfaces can be damaged otherwise.


Pry off timing case cover very carefully.
The cylinder head gasket will be damaged otherwise.

 Installation: The pilot bushing must engage in the cutouts in timing case cover.

13

Clean contact surfaces on cylinder crankcase, oil pan and timing case cover

AR01.00-P-0050-01A

Topical note

Notes on sealant path for timing case cover

AH01.40-P-1000-01CD


Do not clean sealing surfaces with sharp-edged or tipped objects.

The sealing surfaces can get damaged otherwise.

 Installation: Apply sealant to sealing surfaces on timing case cover.
Observe sealant path.

Loctite 7063 (400 ml) cleaning spray

*BR00.45-Z-1046-04A

Loctite 7200

*BR00.45-Z-1038-04A

Sealant, Loctite 5970, 50 ml

*BR00.45-Z-1013-01A

 Application gun

*112589002500

14

Install in the reverse order

15

Check engine oil level; correct if necessary


The engine oil level must lie between Min and Max.

Engine damage can occur otherwise.

16

Connect diagnostic system, read out fault memory and delete if necessary



AD00.00-P-2000-04A

 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

17

Carry out engine test run and check engine for leaktightness around timing case cover

 Tightening torques, cylinder head

Number

Designation

Engine 651

BA01.30-P-1001-01V

Bolt, cylinder head to timing case cover

M8

Nm

20

 Crankcase, timing case cover, end cover

Number

Designation

Engine 651

BA01.40-P-1001-01X

Bolt, timing case cover to crankcase/cylinder head/oil pan top section

M8

Nm

20

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