Remove fuel distributor with injection valves - AR07.03-P-1450MCU
ENGINE 132.910 in MODEL 451.3 /4
Scheme 13
Remove/install Risk of explosion caused by fuel igniting, risk of poisoning caused by inhaling and swallowing fuel and risk of injury to eyes and skin caused by contact with fuel No fire, sparks, open flames or smoking. Only pour fuels into suitable and appropriately marked containers. Wear protective clothing when handling fuel. AS47.00-Z-0001-01A 1 Remove interior flap above engine Installation: Only install interior flap over engine after the leak test. AR88.40-P-1100-03MCC 2 Unlock and remove holder (2) for engine wiring harness (3) on mounts on cylinder head cover (4) 3 Disconnect electrical connectors (5) 4 Detach clamp (6) and remove fuel line (7) from fuel distributor (1) Collect the escaping fuel in a suitable container. Use suitable plugs to seal the openings. Installation: Replace clamp (6). Observe correct seating of the fuel line (7) in mounts on the intake manifold (8). 5 Remove bolts (9) for fuel distributor (1) on intake manifold (8) *BA07.52-P-1001-01D 6 Remove fuel distributor (1) together with fuel injection valves Installation: Replace sealing rings for fuel injection valves and wet slightly with engine oil for easier assembly. 7 Remove fuel injection valves When replacing fuel distributor (1). AR07.03-P-6522MCU 8 Install in the reverse order 9 Read out fault memory, erase if necessary Connect STAR DIAGNOSIS and read out fault memory AD00.00-P-2000-04MCC 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 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 10 Conduct engine test run and check for leaktightness of fuel system in the area of the fuel distributor (1)
Scheme 14
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Scheme 19
| Number | Designation | Engine 132.9 | |
|---|---|---|---|
| BA07.52-P-1001-01D | Bolt, fuel distributor to intake manifold | Nm | 9 |
FUEL DISTRIBUTOR
Remove/install injection valves - AR07.03-P-6522MCU
ENGINE 132.910 in MODEL 451.3 /4
Scheme 20
Remove/install 1 Remove fuel distributor (1) together with fuel injectors (Y62/1, Y62/2, Y62/3) AR07.03-P-1450MCU 2 Unclip anti-twist locks (2) at fuel injectors (Y62/1, Y62/2, Y62/3) Installation: The anti-twist lock (2) must engage in the respective slot (arrow) on the fuel injection valve (Y62/1, Y62/2, Y62/3) 3 Pull fuel injection valves (Y62/1, Y62/2, Y62/3) out of fuel distributor (1) Installation: Replace seal rings (3, 4) on fuel injection valves (Y62/1, Y62/2, Y62/3) and wet with engine oil before installation. 4 Install in the reverse order
Remove/install O2 sensor - AR07.04-P-0080MCU
ENGINE 132.910 in MODEL 451.3 /4 O2 sensor downstream of TWC
Scheme 21
Remove/install 1 Remove complete exhaust system AR49.10-P-7000MCU 2 Unscrew O2 sensor downstream of catalytic converter (G3/1) from catalytic converter (1) Use a suitable 22 mm socket wrench. *BA14.00-P-1003-01B Paste *BR00.45-Z-1005-06A 3 Install in the reverse order
| Number | Designation | Engine 132.9 | |
|---|---|---|---|
| BA14.00-P-1003-01B | O2 sensor downstream TWC on catalytic converter | Nm | 40 |
O2 SENSOR
| Number | Designation | Order number |
|---|---|---|
| BR00.45-Z-1005-06A | Paste, hot lubrication 1 kg, DB supply specification 6879.20 | A 000 989 76 51 |
REPAIR MATERIALS
Remove/install O2 sensor - AR07.04-P-0080MCV
ENGINES 132.910 in MODEL 451.3 /4 with CODE (494) USA version O2 sensor upstream of CAT [KAT]
ENGINES 132.910 in MODEL 451.3 /4 as of 31.8.10 except CODE (494) USA version O2 sensor upstream of CAT [KAT]
Scheme 22
Remove/install Risk of injury to skin and eyes caused by handling hot or glowing objects. Wear safety gloves, protective clothing and safety glasses, if necessary. AS00.00-Z-0002-01A Risk of death caused by vehicle slipping or toppling off of the lifting platform. Align vehicle between columns of vehicle lift and position four support plates at vehicle lift support points specified by vehicle manufacturer. AS00.00-Z-0010-01A 1 Raise vehicle with vehicle lift 2 Remove bolts (2) and unhook rear apron (1) from brackets (arrows) 3 Support rear muffler (4) using a transmission jack (6) and removal fixture (5) Removal fixture Transmission jack (Scheme 17) 4 Unhook rear muffler (4) from the rubber retainers (3) 5 Lower rear muffler (4) with transmission jack (6) and removal fixture (5) until the O2 sensor upstream of CAT [KAT] (G3/2) is accessible Removal fixture Transmission jack (Scheme 17) 6 Unclip holder (7) for connector for O2 sensor upstream of CAT [KAT] (G3/2x1) and disconnect connector for O2 sensor upstream of CAT [KAT] (G3/2x1) 7 Unscrew O2 sensor upstream of CAT [KAT] (G3/2) from catalytic converter (1) Use a suitable 22 mm socket wrench. Installation: Coat thread of O2 sensor upstream of CAT [KAT] (G3/2) with paste. *BA14.00-P-1002-01B Paste *BR00.45-Z-1005-06A 8 Install in the reverse order 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 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 9 Perform engine test run and check exhaust system for leakage in area of O2 sensor upstream of CAT [KAT] (G3/2)
Scheme 23
| Number | Designation | Engine 132.9 | |
|---|---|---|---|
| BA14.00-P-1002-01B | O2 sensor upstream of CAT [KAT] to catalytic converter | Nm | 50 |
O2 SENSOR
Scheme 24
| Number | Designation | Order number |
|---|---|---|
| BR00.45-Z-1005-06A | Paste, hot lubrication 1 kg, DB supply specification 6879.20 | A 000 989 76 51 |
REPAIR MATERIALS
Remove, install intake manifold pressure sensor - AR07.04-P-0100MCU
ENGINE 132.910 in MODEL 451.3 /4
Scheme 25
Remove/install 1 Release rear drive module AR01.00-P-3050MCU 2 Unscrew bolt (1). 3 Remove intake manifold pressure sensor (B28) from intake manifold (2) and disconnect electrical connector (3) Installation: Check sealing ring on intake manifold pressure sensor (B28); replace if necessary. 4 Install in the reverse order 5 Read out fault memory, erase if necessary When replacing Intake manifold pressure sensor (B28). Connect STAR DIAGNOSIS and read out fault memory AD00.00-P-2000-04MCC
Remove/install injection system control unit - AR07.08-P-7008MCU
ENGINE 132.910 in MODEL 451.3 /4
Scheme 26
Remove/install Notes on avoiding damage to electronic components due to electrostatic discharge AH54.00-P-0001-01A 1 Turn off ignition 2 Remove right side paneling in trunk AR68.30-P-4800MCU 3 Release and disconnect electrical connectors (1) 4 Remove bolts (2) and ME-SFI [ME] control unit (N3/10) 5 Install in the reverse order 6 Flash ME-SFI [ME] control unit (N3/10) When replacing the ME-SFI [ME] control unit (N3/10). AR54.21-P-0012MCU
Scheme 27
Remove/install throttle valve actuator - AR07.61-P-1401MCU
ENGINE 132.910 in MODEL 451.3 /4
Scheme 28
Remove/install 1 Remove resonance tank AR09.20-P-0010MCU 2 Disconnect electrical connector (1) at throttle valve actuator (M16/6) 3 Remove bolts (2) *BA07.61-P-1003-01B 4 Remove throttle valve actuator (M16/6) from intake manifold (3) Installation: Replace seal between the throttle valve actuator (M16/6) and the intake manifold (3). 5 Install in the reverse order 6 Read out fault memory, erase if necessary When throttle valve actuator valve is replaced (M16/6). Connect STAR DIAGNOSIS and read out fault memory AD00.00-P-2000-04MCC
| Number | Designation | Engine 132.9 | |
|---|---|---|---|
| BA07.61-P-1003-01B | Bolt, throttle valve actuator to intake manifold/ charge air manifold | Nm | 9 |
ME-SFI [ME] GASOLINE INJECTION AND IGNITION SYSTEM