FixVault

Remove/Install Injectors - AR07.16-P-1000OGR

ENGINE 642 in MODEL 166, 292 

Shown on model 166 

G11972829Courtesy of MERCEDES-BENZ USA
  Risk of death  caused by contact with parts conducting high voltages. Do not touch live parts. Persons with electronic implants (e.g. cardiac pacemaker) must not perform any work on piezo injectors. AS07.16-Z-0002-01A
REMOVINGINSTALLING Remove/install     
1 Remove respective injection line (21/6) of the fuel injector (Y76) to be removed   AR07.16-P-1080OGR 
2 Disconnect electrical connection (1) of the fuel injector (Y76) to be removed    
3 Remove covers over suspension strut towers and the left as well as the right section of the bulkhead When using the impact extractor in combination with the thread adapter for the removal of jammed fuel injectors (Y76) on the 2, 3, 5 and 6 cylinder
SPECIAL TOOL Impact extractor
Fig 1
SPECIAL TOOL Threaded adapter Figure
4 Remove water drain duct on the left suspension strut tower When using the impact extractor in combination with the thread adapter for removal of the jammed fuel injectors (Y76) on cylinder 6  
5 Remove right air duct segment in ventilation box of the dust filter When using the impact extractor in combination with the thread adapter for removal of the jammed fuel injectors (Y76) on cylinder 3  
6 Remove screw/bolt (4) on fuel injector (Y76) to be removed TORQUE SPECIFICATION Bolt, clamping claw to injector *BA07.16-P-1006-01C 
7 Remove clamping claw (5) on fuel injector (Y76) to be removed    
8
NOTES
Remove fuel injector (Y76) to be removed
Notes on injectors
  AH07.16-P-1000-01A
IMPORTANT Use the impact extractor and thread adapter in a case of a jammed fuel injector (Y76).
IMPORTANT When removing a number of fuel injectors (Y76) is the assignment to the respective fuel injector shaft should be marked.
INSTALLATION IMPORTANT Replace screw/bolts (4) and sealing ring (6). Coat fuel injector (Y76) with special grease.
Special grease
*BR00.45-Z-1036-06A 
SPECIAL TOOL Impact extractor Fig 1
SPECIAL TOOL Threaded adapter Figure
CLEAN Clean     
9 Clean removed fuel injector (Y76) In case of reusability  
10
NOTES
Clean fuel injector shaft on cylinder head SPECIAL TOOL Round brush Figure
NOTES Notes on injectors   AH07.16-P-1000-01A
    SPECIAL TOOL Cylinder brush Figure
11 Install in the reverse order    
12.1
REFER TO SELF-DIAGNOSTIC SYSTEMS
Store quantity differential coding in the CDI control unit (N3/9), read out the fault memory and clear if necessary When replacing fuel injectors (Y76)
IMPORTANT Deface the injector quantity compensation coding on the adhesive label on the vehicle.
AD00.00-P-2000-04A
12.2
REFER TO SELF-DIAGNOSTIC SYSTEMS
Connect diagnostic system, read out fault memory and delete if necessary When reusing the fuel injectors (Y76) AD00.00-P-2000-04A
13 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.
Check fuel system for leaks with engine 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
COMMON RAIL DIESEL INJECTION SYSTEM (CDI)

Number Designation Engine 642
BA07.16-P-1006-01C Bolt, clamping claw to injector Stage 1 Nm 7
Stage 2 ∠° 90
Stage 3 ∠° 90
Fig 1: Identifying Impact Extractor (602 589 00 33 00)
G07694680Courtesy of MERCEDES-BENZ USA
Fig 2: Identifying Round Brush (611 589 00 68 00)
G09974669Courtesy of MERCEDES-BENZ USA
Fig 3: Identifying Cylinder Brush (668 589 00 68 00)
G11972832Courtesy of MERCEDES-BENZ USA
Fig 4: Identifying Threaded Adapter (642 589 01 33 00)
G09974668Courtesy of MERCEDES-BENZ USA
REPAIR MATERIALS

Number Designation Order number
BR00.45-Z-1036-06A Special grease A 001 989 42 51 10