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1991 MERCEDES-BENZ 190E CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT MERCEDES-BENZ REPAIR SHOPS DON'T WANT YOU TO KNOW
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- Component Locations
- Wiring Diagrams
- Technical Service Bulletins
- Specifications
- 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
A/C & HEATER SERVICE PROCEDURES FOR 1991 MERCEDES-BENZ 190E AUTOMOBILES
Mercedes-Benz -> Component Replacement & Adjustment -> HEATER CORE TEMPERATURE SENSOR, REPLACE
Vehicle: 1991 MERCEDES-BENZ 190E 2.3 2.3 L4 GAS
- Remove function select control unit as previously described. ...
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BRAKE SERVICE PROCEDURES FOR 1991 MERCEDES-BENZ 190E AUTOMOBILES
MERCEDES-BENZ, HYDRAULIC BRAKE SYSTEMS -> HYDRAULIC BRAKE SYSTEMS -> MASTER CYLINDER REPLACEMENT
Vehicle: 1991 MERCEDES-BENZ 190E 2.6 2.6 L6 GAS
On Vehicles Equipped With Anti-Lock Brakes Refer To "Anti-Lock Brake Systems."
- Drain fluid from front and rear brakes.
- Using a suitable screwdriver, lift tangs on warning switch, and disconnect electrical connector.
- Disconnect and cap brake lin...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1991 MERCEDES-BENZ 190E AUTOMOBILES
Mercedes-Benz -> Fuel Filter Scheduled Maintenance -> 1980-02 Models w/Gasoline Engines -> Normal Service -> Severe Service
Vehicle: 1991 MERCEDES-BENZ 190E 2.3 2.3 L4 GAS
Normal Service
Replace e...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1991 MERCEDES-BENZ 190E AUTOMOBILES
DRIVESHAFT, Replace
Vehicle: 1991 MERCEDES-BENZ 190E 2.3 2.3 L4 GAS
- Raise and support vehicle.
- Unscrew exhaust shielding plate.
- Lift transmission and support.
- Unscrew hex. head screws and hex. nut and remove rear engine carrier with engine mount.
- Unscrew bracket for fastening seat belt on vehicles starting 09/88.
- Unscrew cross-bridge if installed from tunnel.
- Loosen propeller shaft clamping nut for approximately two turns without sliding back rubber sleeve (sliding along).
- Remove front propeller shaft from transmission.
- Prior to sliding back propeller shaft, loosen fitted sleeves of soft pull-push flexible coupling installed on transmission end by m...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1991 MERCEDES-BENZ 190E AUTOMOBILES
Starter, Replace -> Less Countershaft -> With Countershaft
Vehicle: 1991 MERCEDES-BENZ 190E 2.6 2.6 L6 GAS
Less Countershaft
- Disconnect battery ground cable.
- Remove air cleaner assembly, then intake manifold support.
- Disconnect spring between throttle valve housing and intake manifold support.
- On models equipped with cruise control, remove actuator from stud to allow removal of starter.
- On all models, remove starter support bracket from starter and engine block.
- Remove starter to transmission attaching bolts, then separate drag link from pitman arm.
- Remove battery positive cable and disconnect starter wiring from junction box.
- T...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1991 MERCEDES-BENZ 190E AUTOMOBILES
Mercedes-Benz -> Seat Belt & Backrest Lock Warning Lamp ->
Vehicle: 1991 MERCEDES-BENZ 190E 2.6 2.6 L6 GAS
The Seat Belt and Backrest Lock 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 blink for brief time to remind driver and passenger to fasten seat belts. If the warning...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1991 MERCEDES-BENZ 190E AUTOMOBILES
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 1991 MERCEDES-BENZ 190E 2.6 2.6 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 1991 MERCEDES-BENZ 190E AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1991 MERCEDES-BENZ 190E 2.3 2.3 L4 GAS
- Remove fan and shroud.
- Loosen bolt on tensioner pulley 1/4 to 1/2 turn.
- Rotate tensioner counterclockwise using suitable tool to remove drive belt.
- Remove ...
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COMPONENT LOCATION DIAGRAMS FOR 1991 MERCEDES-BENZ 190E AUTOMOBILES
Component location diagrams for most 1991 MERCEDES-BENZ 190E cars and light trucks sold in the U.S. from 1990+.
ABS & ASR Components Diagram for 1991 MERCEDES-BENZ 190E 2.3 2.3 L4 GAS Components on diagram: |
Rear Of RH Front Door Diagram for 1991 MERCEDES-BENZ 190E 2.6 2.6 L6 GAS Components on diagram: |
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WIRING DIAGRAMS FOR 1991 MERCEDES-BENZ 190E AUTOMOBILES
OEM drawn wiring diagrams for most 1991 MERCEDES-BENZ 190E cars and light trucks sold in the U.S.
1991 MERCEDES-BENZ 190E 2.6 2.6 L6 GAS Wiring Diagram Components on diagram: |
1991 MERCEDES-BENZ 190E 2.6 2.6 L6 GAS Wiring Diagram Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1991 MERCEDES-BENZ 190E AUTOMOBILES
OEM TSB listings for most 1991 MERCEDES-BENZ 190E cars and light trucks sold in the U.S. from 1985+.
Document: Introduction of Improved Single-Component Windshield/Window Bonding System Vehicle: 1991 MERCEDES-BENZ 190E 2.3 2.3 L4 GAS Auto Systems: |
Document: Instrument Cluster Oil Level Messages Vehicle: 1991 MERCEDES-BENZ 190E 2.3 2.3 L4 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1991 MERCEDES-BENZ 190E AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1991 MERCEDES-BENZ 190E 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 1991 MERCEDES-BENZ 190E 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 1991 MERCEDES-BENZ 190E 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 1991 MERCEDES-BENZ 190E 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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