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1990 MERCEDES-BENZ 300SE CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT MERCEDES-BENZ REPAIR SHOPS DON'T WANT YOU TO KNOW
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- A/C & Heater Service
- Brake Service
- Fuel Filter Replacement
- Driveline, U-Joint & CV Axles Replacement
- Starter & Alternator Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service
Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1990 MERCEDES-BENZ 300SE car and truck
repair procedures including MERCEDES-BENZ engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work
guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up &
drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install
procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c
system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix
your MERCEDES-BENZ 300SE automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 1990 MERCEDES-BENZ 300SE AUTOMOBILES
A/C & Cooling System Maintenance -> Mercedes-Benz -> 1990-2004
Vehicle: 1990 MERCEDES-BENZ 300SE 3.0 L6 GAS
NOTE: Some Models Are Eq...
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BRAKE SERVICE PROCEDURES FOR 1990 MERCEDES-BENZ 300SE AUTOMOBILES
MERCEDES-BENZ, ANTI-LOCK BRAKE SYSTEMS -> SYSTEM COMPONENTS -> ELECTRONIC CONTROL UNIT -> LATERAL ACCELERATION SENSOR -> WHEEL SPEED SENSORS
Vehicle: 1990 MERCEDES-BENZ 300SE 3.0 L6 GAS
ELECTRONIC CONTROL UNIT
There are several different control units available they are: models 124 and 201 with engine 103 and 104 less speed signal output, model 129 with engine 104 with speed signal output, model 126 with engine 116 and 117 less speed signal output, model 129 with engine 119 with speed signal output and model 140 with engines 104, 119, 120 and 603 has diagnostic capabilities. To prevent interchanging control units there are two lugs cast in the control unit connector and at the front clasp there is a notch located in different positions for different model/engi...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1990 MERCEDES-BENZ 300SE AUTOMOBILES
Mercedes-Benz -> Fuel Filter Replacement -> Except 2003-06 E320 & E500 Sedans Less 4 Matic & 2004-06 E Series w/Gasoline Engines -> Fuel System Pressure Relief -> Removal & Installation
Vehicle: 1990 MERCEDES-BENZ 300SE 3.0 L6 GAS
Fuel System Pressure Relief
Do not smoke or allow an open flame of any type when working on or near any fuel system related components. The highly flammable vapor mixtures may ignite, resulting in serious personal injury.
Prior to disconnecting fuel lines, the fuel system pressure must be relieved to prevent accidental fuel spray.
After the battery has been disconnected and reconnected, some abnormal driveability symptoms may occur. The vehicle may need to be driven while it relearns its adaptive strategy.
- Ensure t...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1990 MERCEDES-BENZ 300SE AUTOMOBILES
DRIVESHAFT, Replace
Vehicle: 1990 MERCEDES-BENZ 300SE 3.0 L6 GAS
R...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1990 MERCEDES-BENZ 300SE AUTOMOBILES
Starter, Replace
Vehicle: 1990 MERCEDES-BENZ 300SE 3.0 L6 GAS
- Disconnect battery ground cable from battery.
- Disconnect cables from terminals 30 and 50 on starter.
- Remove s...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1990 MERCEDES-BENZ 300SE AUTOMOBILES
Mercedes-Benz -> Air Bag Off Lamp ->
Vehicle: 1990 MERCEDES-BENZ 300SE 3.0 L6 GAS
The Air Bag Off should illuminate for 6 seconds when the ignition switch is placed in the On position. The lamp will illuminate when the specified child safety seat has been properly installed on the passenger front seat, indicating that the front passenger ...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1990 MERCEDES-BENZ 300SE AUTOMOBILES
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 1990 MERCEDES-BENZ 300SE 3.0 L6 GAS
Lower
- Drain coolant into a suitable container.
- Reposition clamp at radiator and remove hose.
- Reposition clamp at water pump and remove hose.
- Remove hose from vehicle.
- Reverse procedure t...
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SERPENTINE BELT SERVICE PROCEDURES FOR 1990 MERCEDES-BENZ 300SE AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1990 MERCEDES-BENZ 300SE 3.0 L6 GAS
- Remove fan and fan shroud.
- Rotate tensioner counterclockwise using suitable tool to remove drive belt.
- Remove drive belt.
- Clean and i...
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COMPONENT LOCATION DIAGRAMS FOR 1990 MERCEDES-BENZ 300SE AUTOMOBILES
Component location diagrams for most 1990 MERCEDES-BENZ 300SE cars and light trucks sold in the U.S. from 1990+.
 Rear Of Engine Compartment Diagram for 1990 MERCEDES-BENZ 300SE 3.0 L6 GASComponents on diagram: |
 Top Front Of Engine Diagram for 1990 MERCEDES-BENZ 300SE 3.0 L6 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 1990 MERCEDES-BENZ 300SE AUTOMOBILES
OEM drawn wiring diagrams for most 1990 MERCEDES-BENZ 300SE cars and light trucks sold in the U.S.
 1990 MERCEDES-BENZ 300SE 3.0 L6 GAS Wiring DiagramComponents on diagram: |
 1990 MERCEDES-BENZ 300SE 3.0 L6 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1990 MERCEDES-BENZ 300SE AUTOMOBILES
OEM TSB listings for most 1990 MERCEDES-BENZ 300SE cars and light trucks sold in the U.S. from 1985+.
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Document: Introduction of Improved Single-Component Windshield/Window Bonding System Vehicle: 1990 MERCEDES-BENZ 300SE 3.0 L6 GAS Auto Systems: |
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Document: Instrument Cluster Oil Level Messages Vehicle: 1990 MERCEDES-BENZ 300SE 3.0 L6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1990 MERCEDES-BENZ 300SE AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1990 MERCEDES-BENZ 300SE cars and light trucks sold in the U.S. and Canada from 1970+.
- Brake caliper mounting bolt torque
- Brake drum runout, machining, & discard specs
- Minimum brake lining thickness.
- Brake rotor runout, parallelism, machining, discard, & finish specs
A/C SYSTEM SPECIFICATIONS: Air conditioning refrigerant capacity and type as well as lubricant capacity for most 1990 MERCEDES-BENZ 300SE cars and light trucks sold in the U.S. and Canada from 1980+.
- Refrigerant capacity & type, compressor oil viscosity, total system oil capacity & compressor clutch gap
COOLING SYSTEM BLEED: Cooling system bleeder valve identification, bleeder type and bleed procedures for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1986+.
PREVENTIVE MAINTENANCE: Preventive maintenance recommendations and required services for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1980+. Includes severe and routine service schedules
QUICK-LUBE and ILLUSTRATIONS: Fluid recommendations, capacities, drain plug torques, tire data, and severe service recommended preventive maintenance schedules. Information covers most 1990 MERCEDES-BENZ 300SE cars and light trucks sold in the U.S. and Canada from 1980+. Engine and chassis service images.
- Automatic transmission/transaxles capacities, lubricant recommendations
- Differential/final drive capacities, lube recommendations, grades, & viscosities
- Final drive fill & drain plug torques
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Manual transmission/transaxle capacities, lube recommendations, grades, & viscosities
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Engine oil capacities, API grade recommendations, SAE viscosity recommendations, drain plug torque
- Severe service maintenance & interval recommendations
- Tire sizes, wheel nut/bolt torque, pressures & rim sizes
- Transfer case capacities, lube recommendations, grades, & viscosities
TUNE-UP & DRIVEABILITY SPECIFICATIONS: Most tune-up specifications for most 1990 MERCEDES-BENZ 300SE cars and light trucks sold in the U.S. and Canada from 1980+
- Airflow sensor electrical specifications
- Tensioning specifications for systems with automatic tensioners
- Barometric pressure sensor specs
- Battery group number and cranking performance
- Crankshaft & camshaft position sensor resistance
- Engine compression pressures
- Coolant temperature sensor specs
- Computer advance.
- Diesel fuel temperature sensor resistance.
- Distributor advance specifications
- Ignition pickup coil resistance
- Exhaust gas recirculation temperature sensor resistance
- Engine fastener torque values
- Firing order diagrams
- Fuel system pressures
- Generator (alternator) specs
- Intake air temperature sensor specs
- Ignition coil specifications
- Fuel injector resistance
- Engine idle speeds
- Knock sensor resistance
- Manifold absolute pressure sensor specs
- Mixture control solenoid resistance
- Voltage regulator specs
- Spark plug applications & gaps
- Starter motor electrical specs.
- Tensioning specifications for systems without automatic tensioners
- Throttle body temperature sensor resistance
- Ignition timing in degrees at rpm
- Transmission oil temperature sensor resistance
- Throttle position sensor specs
- Vacuum sensor valve specs
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