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Remove/install chain tensioner - AR05.10-P-7800AM

ENGINE 112 in MODEL 211.061 /261 /065 /265 /080 /280 /082 /282, 220, 230.467 

ENGINE 113 in MODEL 211.070 /270 /076 /276 /083 /283, 215.373 /374 /375, 220.070 /073 /075 /083 /084 /170 /173 /174 /074 /175 /183 /184 /875, 230.472 /474 /475 

Shown on engine 113.991 

Fig 1: Identifying Engine Cover (Shown On Engine 113.91)
G04839506
Fig 2: Identifying Bolts And Alternator
G04839507
Fig 3: Identifying Chain Tensioner, Sealing Ring And Timing Case Cover
G04839508
REMOVINGINSTALLING Remove/install     
1.1 Connect no load current retention unit Except model 211, 230 AR54.10-P-1030-07I
DANGER Risk of explosion  caused by oxyhydrogen gas. Risk of poisoning and caustic burns  caused by swallowing battery acid. Risk of injury  caused by burns to skin and eyes from battery acid or when handling damaged lead-acid batteries No fire, sparks, open flames or smoking. Wear acid-resistant gloves, clothing and glasses. Only pour battery acid into suitable and appropriately marked containers. AS54.10-Z-0001-01A
2 Detach ground line(s) at battery(ies) Model 211.0 AR54.10-P-0003T
    Model 211.2 AR54.10-P-0003TA
    Model 215, 220 AR54.10-P-0003I
    Model 230 AR54.10-P-0003R
    IMPORTANT Turn key in electronic ignition switch EIS into position "0". Key cannot be withdrawn.
IMPORTANT Vehicles with Keyless Go, code 889: Switch off engine, remove Keyless Go cards from the vehicle and store outside of transmitter range.
IMPORTANTInstallation:  After connecting, read out diagnostic trouble code memory, set time at instrument cluster, encode radio, normalize power windows and activate steering angle sensor. Vehicles with stationary heater: adjust time display on stationary heater.
 
NOTES Notes on battery   AH54.10-P-0001-01A
3 Unclip and remove engine cover (8)    
4 Slacken coolant expansion reservoir and place to the side Models 211, 230  
5 Remove right air intake pipe    
6 Remove poly-V belt for supercharger Model 211.076 /276 /215.374, 220.074 /174, 230.472 /474 AR13.21-P-1202RVK
7 Remove poly-V belt Model 215, 220, except 215.374, 220.074 /174 AR13.22-P-1202BA
    Model 215.374, 220.074 /174, 230 AR13.22-P-1202R
    Model 211 except 211.076 /276 AR13.22-P-1202PV
    Model 211.076 / 276 AR13.22-P-1202RV
8 Pinch off electrical connections of alternator (G2)    
9.1 Unscrew bolts (1) and place alternator (G2) to the side Model 211, 230  
    SPECIAL TOOL External Torx set Fig 4
    TORQUE SPECIFICATION *BA15.40-P-1005-01A 
9.2 Remove alternator (G2) Model 215, 220 with engine 112, 113 except 113.991 /992 AR15.40-P-5032I
    Model 215, 220 with engine 113.991/ 992 AR15.40-P-5032AM
10 Take chain tensioner (6) off timing case cover (5) IMPORTANTInstallation:  Replace seal (7).  
    TORQUE SPECIFICATION *BA05.10-P-1001-01C 
REFER TO BASIC KNOWLEDGE Chain tensioner design Engine 112, 113 GF05.10-P-7801-01A 
11 Install in the reverse order    
12 Render electrical system operational IMPORTANT Carry out basic programming (normalize windows and sliding roof, etc.).  
    Model 211 AR00.19-P-0200T
    Model 215, 220 AR00.19-P-0200M
    Model 230 AR00.19-P-0200R
TORQUE SPECIFICATION TIMING CHAIN, CHAIN TENSIONER TORQUE SPECIFICATION

Number Designation Engine 112.910/911/912/913/914/915/916/917/920/921/922/923/940/941/942/943/944/945/946/947/949/951/953/954/955/960/961/970/972/973/975/976 Engine 113.940/941/942/943/944/945/946/948/960/961/962/963/964/965/966/967/968/969/971/980/981/982/984/986/987/988/990/991/992/993/995
BA05.10-P-1001-01C Chain tensioner in timing case cover Nm 80 80
TORQUE SPECIFICATION ALTERNATOR TORQUE SPECIFICATION

Number Designation Engine 112.91/92/94/953/954/955/96/97, 113.94/96/98 Except 112.976
BA15.40-P-1005-01A Self-tapping screw, alternator to timing case Thread not pre-tapped Nm 57
Thread pre-tapped Nm 45
TORQUE SPECIFICATION ALTERNATOR TORQUE SPECIFICATION

Number Designation Engine 113.963 in model 230
BA15.40-P-1005-01A Self-tapping screw, alternator to timing case Thread not pre-tapped Nm 57
Thread pre-tapped Nm 45
TORQUE SPECIFICATION ALTERNATOR TORQUE SPECIFICATION

Number Designation Engine 113.990 in model 211
BA15.40-P-1005-01A Self-tapping screw, alternator to timing case Thread not pre-tapped Nm 57
Thread pre-tapped Nm 45
TORQUE SPECIFICATION ALTERNATOR TORQUE SPECIFICATION

Number Designation Engine 113.991 in model 215, 220 Engine 113.992/995 in model 230
BA15.40-P-1005-01A Self-tapping screw, alternator to timing case Thread not pre-tapped Nm 57 57
Thread pre-tapped Nm 45 45
Fig 4: Identifying External Torx Set (001 589 76 09 00)
G04839509