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1990 MERCEDES-BENZ 300CE 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 300CE 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 300CE automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 1990 MERCEDES-BENZ 300CE AUTOMOBILES
A/C & Cooling System Maintenance -> Mercedes-Benz -> 1990-2004
Vehicle: 1990 MERCEDES-BENZ 300CE 3.0 L6 GAS
NOTE: Some Models Are Eq...
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BRAKE SERVICE PROCEDURES FOR 1990 MERCEDES-BENZ 300CE AUTOMOBILES
MERCEDES-BENZ, ANTI-LOCK BRAKE SYSTEMS -> DIAGNOSIS & TESTING -> ABS SYSTEM -> ASR SYSTEM -> HYDRAULIC SYSTEM
Vehicle: 1990 MERCEDES-BENZ 300CE 3.0 L6 GAS
ABS SYSTEM
During all tests when ignition switch is on, the LED must illuminate, indicating battery voltage is satisfactory. The vehicle must not be driven with the (ABS) adapter connected. Refer to Fig. , for connection of test equipment and Fig. , for anti-lock system diagnosis.
ASR SYSTEM
During all tests when ignition switch is on, the LED must illuminate, indicating ...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1990 MERCEDES-BENZ 300CE 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 300CE 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 300CE AUTOMOBILES
DRIVESHAFT, Replace
Vehicle: 1990 MERCEDES-BENZ 300CE 3.0 L6 GAS
- Raise vehicle and support.
- Unscrew exhaust shielding plate.
- On models with 4MATIC, unscrew exhaust shielding plate.
- Lift transmission and support.
- Unscrew hex, head screws and hex nut and remove rear engine carrier with engine mount.
- Unscrew cross bridge.
- On all models, loosen propeller shaft clamping nut for approx. two turns without sliding back rubber sleeve (sliding along).
- Remove front propeller shaft from transmission. Flexible coupling remains on propeller shaft.
- Remove front propeller shaft from transfer case.
- Prior to sliding back propeller shaft, loosen vulcanized fitted ...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1990 MERCEDES-BENZ 300CE AUTOMOBILES
Starter, Replace
Vehicle: 1990 MERCEDES-BENZ 300CE 3.0 L6 GAS
- Disconnect electrical connectors.
- Remove mounting bolts, then the cable and hose brackets...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1990 MERCEDES-BENZ 300CE AUTOMOBILES
Mercedes-Benz -> Low Coolant Lamp ->
Vehicle: 1990 MERCEDES-BENZ 300CE 3.0 L6 GAS
The Low Engine Coolant Level warning lamp will illuminate when the ignition switch is placed in the On position to indicate the warning lamp is operational. After the engine has been started, the warning lamp should go off. If the warning lamp remains on af...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1990 MERCEDES-BENZ 300CE AUTOMOBILES
Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 1990 MERCEDES-BENZ 300CE 3.0 L6 GAS
Inlet
- Drain coolant into a suitable container.
- Reposition clamp on heat exchanger feed pipe and remove hose.
- Reposition clamp on engine and remove hose.
- Remove hose from vehicle.
- Reverse procedure to...
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SERPENTINE BELT SERVICE PROCEDURES FOR 1990 MERCEDES-BENZ 300CE AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1990 MERCEDES-BENZ 300CE 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 300CE AUTOMOBILES
Component location diagrams for most 1990 MERCEDES-BENZ 300CE cars and light trucks sold in the U.S. from 1990+.
 RH Side Of Luggage Compartment Diagram for 1990 MERCEDES-BENZ 300CE 3.0 L6 GASComponents on diagram: |
 Behind I/P Cluster Diagram for 1990 MERCEDES-BENZ 300CE 3.0 L6 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 1990 MERCEDES-BENZ 300CE AUTOMOBILES
OEM drawn wiring diagrams for most 1990 MERCEDES-BENZ 300CE cars and light trucks sold in the U.S.
 1990 MERCEDES-BENZ 300CE 3.0 L6 GAS Wiring DiagramComponents on diagram: |
 1990 MERCEDES-BENZ 300CE 3.0 L6 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1990 MERCEDES-BENZ 300CE AUTOMOBILES
OEM TSB listings for most 1990 MERCEDES-BENZ 300CE 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 300CE 3.0 L6 GAS Auto Systems: |
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Document: Instrument Cluster Oil Level Messages Vehicle: 1990 MERCEDES-BENZ 300CE 3.0 L6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1990 MERCEDES-BENZ 300CE AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1990 MERCEDES-BENZ 300CE 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 300CE 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 300CE 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 300CE 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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