Remove/install resonance intake manifold - AR09.20-P-1961RX (SL550): Notes
ENGINE 273 in MODEL 230
| Remove/install | |||
| Notes on avoiding damage through contamination and foreign objects | AH00.00-P-5000-01A | ||
| Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | ||
| 1 | Turn key in ignition lock to position "0" | On vehicles with code (889), Keyless-Go: Press Keyless-Go start/stop button repeatedly until ignition is switched off. Remove the Keyless Go transmitter card or transmitter key from the vehicle and store beyond the reach of the transmitter (min. 2 m). | |
| 2 | Remove air filter housing | AR09.10-P-1150RX | |
| 3 | Disconnect right connector (R) at ME-SFI [ME] control unit (N3/10) | ||
| 4 | Disconnect electrical connectors (1a, 1b) | ||
| 5 | Remove jack for electrical connector (1b) on fuel distributor (2) | ||
| 6 | Remove electrical feed line (1c) from left control unit bracket (3l) | ||
| 7 | Pull ME-SFI [ME] control unit (N3/10) out of control unit brackets (3l, 3r) and place down to one side | ||
| 8 | Remove hot film mass air flow sensor (B2/5) | AR07.07-P-1453RX | |
| 9 | Remove air duct housing (4) | AR09.20-P-0080RX | |
| 10 | Disconnect hoses (5a, 5b) from crankcase ventilation system | ||
| 11 | Remove right control unit bracket (3r) | *BA07.08-P-1002-01A | |
| 12 | Detach supply ducts (6a, 6b, 6c) from cylinder head cover, resonance intake manifold (7) and rear right engine suspension lug | *BA15.18-P-1001-01B | |
| *BA15.18-P-1002-01B | |||
| *BA15.18-P-1003-01B | |||
| 13 | Remove left rear engine lifting eye (8) | *BA01.30-P-1005-01O | |
| 14 | Unlock and disconnect electrical connectors at fuel injection valves (Y62), throttle valve actuator (M16/6) and electrical air pump (M33) | ||
| 15 | Release and disconnect electrical connectors at the position sensors (B28/9, B28/10) | Model 230.455 /456 /457 /471 | |
| 16 | Disconnect electrical connector (9) | ||
| 17 | Release fuel pressure over service valve (10) | ||
| *BA07.03-P-1004-01B | |||
| Fig 3 | |||
| 18 | Disconnect fuel line (11) from fuel distributor (2) | Fig 4 | |
| *BA07.03-P-1001-01B | |||
| 19 | Remove bolts (7a) | *BA09.20-P-1001-01N | |
| 20 | Lift front intake manifold (7) and disconnect pneumatic lines (12) from the connection fittings on intake manifold (7) | ||
| 21 | Take out intake manifold (7) | Installation: Replace seals (7b). | |
| 22 | Cover openings in cylinder heads | Installation: Objects that have entered the intake tract must always be removed before fitting intake manifold (7) otherwise engine damage may occur. | |
| 23 | Detach left control unit bracket (3l), fuel distributor (2) with fuel injection valves (Y62) and throttle valve actuator (M16/6) | When replacing intake pipe (7). | |
| *BA07.08-P-1002-01A | |||
| *BA07.03-P-1002-01B | |||
| *BA07.61-P-1001-01D | |||
| 24 | Detach position sensors (B28/9 B28/10) from intake manifold (7) | Model 230 455 /456 /457 /471 When replacing intake pipe (7). |
|
| *BA09.20-P-1002-01N | |||
| 25 | Install in the reverse order | ||
| Checking | |||
| 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 | |
| 26 | Carry out an engine test run and check intake tract and fuel system for leaks | ||
CONTROL UNIT
| Number | Designation | Engine 273 | |
|---|---|---|---|
| BA07.08-P-1002-01A | Bolt, control unit bracket to resonance intake manifold | Nm | 8 |
ENGINE WIRING HARNESS
| Number | Designation | Engine 273 | |
|---|---|---|---|
| BA15.18-P-1001-01B | Bolt, feed duct to resonance intake manifold | Nm | 8 |
| BA15.18-P-1002-01B | Bolt, feed duct to cylinder head cover | Nm | 8 |
| BA15.18-P-1003-01B | Bolt, feed duct to engine lifting eye | Nm | 8 |
INTAKE MANIFOLD
| Number | Designation | Engine 273 | ||
|---|---|---|---|---|
| BA01.30-P-1005-01O | Bolt, lifting eye to cylinder head | M8 | Nm | 20 |
INTAKE MANIFOLD
| Number | Designation | Engine 273 | |
|---|---|---|---|
| BA09.20-P-1001-01N | Bolt, resonance intake manifold to cylinder head | Nm | 9 |
INTAKE MANIFOLD
| Number | Designation | Engine 273 | |
|---|---|---|---|
| BA09.20-P-1002-01N | Bolt, tumble flap position sensor to resonance Nm intake manifold | Nm | 6 |
INJECTORS, INJECTION VALVES, LINES
| Number | Designation | Engine 273 | |
|---|---|---|---|
| BA07.03-P-1001-01B | Union nut, fuel line to fuel distributor | Nm | 20 |
| BA07.03-P-1002-01B | Bolt, fuel distributor to resonance intake manifold | Nm | 9 |
ME-SFI [ME] GASOLINE INJECTION AND IGNITION SYSTEM
| Number | Designation | Engine 273 | |
|---|---|---|---|
| BA07.61-P-1001-01D | Bolt, throttle valve actuator to resonance intake manifold | Nm | 9 |