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Home >> Mercedes Benz >> 2002 >> SLK230 Automatic >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> A/C Compressor >> Air Compressor, Belt Drives -- 170 Chassis >> Testing & Repair >> Remove/install poly V-belt - AR13.22-P-1202 >> Remove/install poly V-belt - AR13.22-P-1202A

Remove/install poly V-belt - AR13.22-P-1202A

ENGINE 111 

Fig 1: Identifying Poly V-Belt Remove/Install Components (Engine 111)
G04715111
REMOVING Removing    
1.1 Remove viscous fan clutch (26) Engines with viscous fan clutch
0046 Left-hand thread		 AR20.40-P-5660A
1.2 Remove electric fan Engines fitted with electric fan AR20.40-P-5000PR
2 Remove poly V-belt of compressor (10) Engine 111 with compressor AR13.21-P-1202A 
3 Loosen poly-V-belt (11) SPECIAL TOOL Swivel tensioning arm (2) and tensioning pulley (3) in counter-clockwise direction at stud bolt (4, external torx E10) for this step.
NOTES Do not swivel tensioning arm (2) against the nut attaching the tensioning pulley.		 Figure
4 Take off poly V-belt (11)    
INSPECT Checking     
5 Inspect belt pulley sections and tensioning device for damage and dirt.    
6 Inspect poly V-belt (11)    
REFER TO MAINTENANCE Check poly-V-belt in visible area for wear Except engine 111.977 AP13.22-P-1352Z
    Engine 111.977 AP13.22-P-1351GH
INSTALLING Install     
7 Fit on poly-V-belt (11), then clamp NOTES Do not use belt wax or similar products.
In numerical order of relevant running diagram, beginning at tensioning pulley ↓		  
    Running diagram of poly V-belt of engines not fitted with compressor AR13.22-P-3902-02A 
    Running diagram of poly V-belt of engines fitted with compressor AR13.21-P-3902-02A 
    Poly V-belt dimensions of engines not fitted with compressor *BE13.22-P-1001-01B 
    Poly V-belt dimensions of engines fitted with compressor *BE13.21-P-1002-01A 
    SPECIAL TOOL
IMPORTANT The position marking (B) must be positioned within the working range (A). If this is not the case, inspect the length of the poly V-belt and also the tensioning device		 Figure
8 Install poly V-belt of compressor Engine 111.943/944/947/973/975 AR13.21-P-1202A 
9.1 Install viscous fan clutch (26) Engines with viscous fan clutch
IMPORTANT Left-hand thread		 AR20.40-P-5660A
9.2 Install electric fan Engines fitted with electric fan AR20.40-P-5000PR
MULTI-BELT DRIVE

Number Designation Engine 111.943/944/947/973/975 without AC compressor with power steering pump Engine 111.943/944/947/973/975 with AC compressor with power steering pump Engine 111.944/944/947 without AC compressor with tandem pump
BE13.21-P-1002-01A Length of belt of base drive mm 1775 1875 1760
MULTI-BELT DRIVE

Number Designation Engine 111.944/947/975 with AC compressor with tandem pump Engine 111.955 with AC compressor and with power steering pump Engine 111.958/983
BE13.21-P-1002-01A Length of belt of base drive mm 1860 1860 1870
SINGLE-BELT DRIVE

Number Designation Engine 111 except 111.944/947/975 without AC compressor Engine 111 except 111.944/947/975 with AC compressor Engine 111 except 111.943/944/947/973/975 without AC compressor with VDA power steering pump Engine 111 except 111.943/944/947/973/975 with AC compressor with VDA power steering pump
BE13.22-P-1001-01B Belt length mm 2040 2140 2055 2155
Fig 2: Identifying External Torx Set (001 589 76 09 00)
G04715112
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