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Home >> Mercedes Benz >> 2013 >> SL550 >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brakes - Pneumatic System - 231 Chassis >> Testing & Repair >> Remove/install vacuum pump >> Remove/install vacuum pump - AR43.05-P-1320RKB

Remove/install vacuum pump - AR43.05-P-1320RKB

MODEL 231 with ENGINE 157, 278 

Fig 1: Vacuum Pump Remove/Install Components
G11128891Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install     
DANGER Risk of injury  caused by fingers being pinched or crushed  when removing, installing or aligning hoods, doors, trunk lids, liftgates or sliding roof Keep body parts and limbs well clear of moving parts. AS00.00-Z-0011-01A
1 Remove engine trim panel    
2 Remove left-hand air filter housing    
3 Remove insulation on left rail IMPORTANT If present.  
4 Remove center section of bulkhead    
5 Disconnect engine wiring harness from ME-SFI control unit (N3/10) and rear intake manifold   AR01.00-P-2410-02RKB
6 Unclip engine wiring harness to intake manifold and place to one side    
7 Detach vacuum line (2) from vacuum pump (1) and intake manifold    
8 Detach vacuum hose (4) from vacuum pump (1)    
9 Remove bolts (3) from vacuum pump (1) INSTALLATION IMPORTANT Replace the bolts (3).
TORQUE SPECIFICATION
*BA43.05-P-1001-01K 
10 Remove vacuum pump (1) upwards INSTALLATION IMPORTANT Clean sealing surfaces and install new sealing rings. Note position of drive plate for vacuum pump (1) during assembly.  
11 Install in the reverse order    
INSPECT Checking     
DANGER
12
Risk of accident  caused by vehicle starting off by itself when engine is running. Risk of injury  caused by contusions and burns during starting procedure or when working near the engine as it is running
Test run engine and carry out leak check
Secure vehicle to prevent it from moving by itself.
Wear closed and snug-fitting work clothes.
Do not touch hot or rotating parts.
AS00.00-Z-0005-01A
VACUUM PUMP

Number Designation Engine 157 Engine 278
BA43.05-P-1001-01K Bolt, vacuum pump to cylinder head/cylinder head cover Nm 9 9