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1990 MERCEDES-BENZ 300D CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT MERCEDES-BENZ REPAIR SHOPS DON'T WANT YOU TO KNOW
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- Technical Service Bulletins
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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 300D 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 300D automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 1990 MERCEDES-BENZ 300D AUTOMOBILES
A/C & Cooling System Maintenance -> Mercedes-Benz -> 1990-2004
Vehicle: 1990 MERCEDES-BENZ 300D 2.5 2.5 L5 DIESEL
NOTE: Some Models Are Eq...
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BRAKE SERVICE PROCEDURES FOR 1990 MERCEDES-BENZ 300D AUTOMOBILES
MERCEDES-BENZ -> FRONT DISC BRAKE SERVICE -> 190D & E, 260E & 300CE, E & TE -> 560SL -> Assembly -> BRAKE CALIPER, REPLACE -> BRAKE PADS, REPLACE -> CALIPER OVERHAUL -> Disassembly -> EXCEPT 190D & E, 260E & 300CE, E & TE -> EXCEPT 560SL -> Inspection -> Installation -> Removal
Vehicle: 1990 MERCEDES-BENZ 300D 2.5 2.5 L5 DIESEL
BRAKE CALIPER, REPLACE
EXCEPT 190D & E, 260E & 300CE, E & TE
Removal
On 300SE, SEL, 420SEL and 560SEC and SEL series vehicles using Girling type brake calipers, refer to 190D and E Series removal and installation procedures.
- Raise and support vehicle.
- Remove tire and wheel assembly.
- Open brake caliper bleeder screw, then pump brake fluid out of front brake circuit.
- Disconnect and cap brake hose from brake line.
- On vehicles with wear indicator, pull clip sensor cables out of caliper plug connector.
- On all models, remove brake lining wear indicator plug connector and brake hose fr...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1990 MERCEDES-BENZ 300D AUTOMOBILES
Mercedes-Benz -> Fuel Filter Scheduled Maintenance -> 1980-96 Models w/Diesel Engines -> Normal Service -> Severe Service
Vehicle: 1990 MERCEDES-BENZ 300D 2.5 2.5 L5 DIESEL
Normal Service
Replace ev...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1990 MERCEDES-BENZ 300D AUTOMOBILES
DRIVESHAFT, Replace
Vehicle: 1990 MERCEDES-BENZ 300D 2.5 2.5 L5 DIESEL
- 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 300D AUTOMOBILES
Alternator, Replace
Vehicle: 1990 MERCEDES-BENZ 300D 2.5 2.5 L5 DIESEL
- Read fault memory with suitable scan tool.
- Disconnect battery ground wire.
- Remove complete suction filter with air-mass sensor.
- Remove fan.
- Disconnect plug connection on suction filter housing.
- Release screws.
- Loosen hose clamp on intake manifold.
- Unclip upper section of suction-filter housing and place ...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1990 MERCEDES-BENZ 300D AUTOMOBILES
Mercedes-Benz -> Adaptive Dampening System (ADS) Warning Lamp ->
Vehicle: 1990 MERCEDES-BENZ 300D 2.5 2.5 L5 DIESEL
The Adaptive Dampening System (ADS) warning lamp, will illuminate when the ignition switch is placed in the On position to indicate the warning lamp is operational. The lamp should go off when the engine is started. If the warning lamp remains on after the engine has been started or while driving the vehicle, a fault in the ADS has been detected. While the fault i...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1990 MERCEDES-BENZ 300D AUTOMOBILES
Radiator, Replace
Vehicle: 1990 MERCEDES-BENZ 300D 2.5 2.5 L5 DIESEL
- Remove lower engine compartment cowling.
- Drain coolant into a suitable container.
- Remove upper and lower radiator hoses.
- On models equipped with automatic transmission, disconnect ATF cooler lines.
- On all models, remove air scoop and fan cover ring.
- Remove strut and crossm...
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SERPENTINE BELT SERVICE PROCEDURES FOR 1990 MERCEDES-BENZ 300D AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1990 MERCEDES-BENZ 300D 2.5 2.5 L5 DIESEL
- Remove fan and fan shroud.
- Loosen tension mounting bolt 1/4 to 1/2 turn.
- Loosen tensioning device at nut by turning nut to the left until the serpentine drive belt can be removed.
- Remove drive belt.
- Clean and inspect belt surfaces of ...
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TECHNICAL SERVICE BULLETINS FOR 1990 MERCEDES-BENZ 300D AUTOMOBILES
OEM TSB listings for most 1990 MERCEDES-BENZ 300D 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 300D 2.5 2.5 L5 DIESEL Auto Systems: |
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Document: Instrument Cluster Oil Level Messages Vehicle: 1990 MERCEDES-BENZ 300D 2.5 2.5 L5 DIESEL Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1990 MERCEDES-BENZ 300D AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1990 MERCEDES-BENZ 300D 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 300D 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 300D 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 300D 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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