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MERCEDES-BENZ 560SEC 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 PROCEDURES FOR MERCEDES-BENZ 560SEC AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported MERCEDES-BENZ 560SEC cars and light trucks from 1990+
Import Compressor Service -> Bosch Compressors -> COMPRESSOR OVERHAUL -> Assemble -> Disassemble -> PORSCHE 928
Vehicle: 1991 MERCEDES-BENZ 560SEC 5.6 V8 GAS
PORSCHE 928
Disassemble
- Remove any plugs from refrigerant line connections on compressor to purge residual gas, Fig. .
- Drain and discard all oil from compressor.
- Remove Woodruff key using suitable puller.
- Remove thrust washer, then the seal using suitable puller, Fig. .
- Remove rear housing cover attaching bolts, then the rear cover. A soft-faced hammer may be used to tap off rear cover if necessary.
- Remove oil suction tube using suitable hooked tool, Fig. .
- Remove cylinder block from housing. Do not disassemble the ...
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BRAKE SERVICE PROCEDURES FOR MERCEDES-BENZ 560SEC AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported MERCEDES-BENZ 560SEC cars and light trucks from 1990+.
MERCEDES-BENZ, HYDRAULIC BRAKE SYSTEMS -> HYDRAULIC BRAKE SYSTEMS -> MASTER CYLINDER SERVICE -> ASSEMBLE -> DISASSEMBLE
Vehicle: 1990 MERCEDES-BENZ 560SEC 5.6 V8 GAS
On Vehicles Equipped With Anti-Lock Brakes Refer To "Anti-Lock Brake Systems."
On 400SE, 400SEL and 600SEL, then tandem master cylinder with a built in switch over valve must be replace as an assembly with the brake booster.
On models except 400SE, 400SEL and 600SEL, refer to Figs. through , for master cylinder service.
DISASSEMBLE
- Position cylinder in suitable soft jawed vise.
- Remove expansion tank, then remove cap and strainer.
- Using suitable mandrel, push piston inward.
- Using suitable pliers, remove cylinder pin from housing.
- Remove piston locking ring.
- Remove piston with s...
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FUEL FILTER REPLACEMENT PROCEDURES FOR MERCEDES-BENZ 560SEC AUTOMOBILES
Fuel filter replacement procedures with corresponding images for most domestic and imported MERCEDES-BENZ 560SEC cars and light trucks sold in the U.S. for 1980+.
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: 1991 MERCEDES-BENZ 560SEC 5.6 V8 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 MERCEDES-BENZ 560SEC AUTOMOBILES
Includes CV axle, universal joint, and driveline replacement, for domestic and imported MERCEDES-BENZ 560SEC cars and light trucks from 1990+.
DRIVESHAFT, Replace
Vehicle: 1990 MERCEDES-BENZ 560SEC 5.6 V8 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 MERCEDES-BENZ 560SEC AUTOMOBILES
Includes starter and alternator replacement procedures for domestic and imported MERCEDES-BENZ 560SEC cars and light trucks from 1990+.
Starter, Replace
Vehicle: 1990 MERCEDES-BENZ 560SEC 5.6 V8 GAS
- Remove rear engine compartment paneling.
- Disconnect battery ground cable at battery.
- Remove hose holder with ASD/ASR...
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MAINTENANCE LAMP RESET PROCEDURES FOR MERCEDES-BENZ 560SEC AUTOMOBILES
Maintenance lamp reset procedures with corresponding images for most domestic and imported MERCEDES-BENZ 560SEC cars and light trucks sold in the U.S. from 1990+.
Mercedes-Benz -> Adaptive Dampening System (ADS) Warning Lamp ->
Vehicle: 1990 MERCEDES-BENZ 560SEC 5.6 V8 GAS
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 MERCEDES-BENZ 560SEC AUTOMOBILES
Includes radiator, cooling and heater hose replacement procedures for domestic and imported MERCEDES-BENZ 560SEC cars and light trucks from 1990+
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 1990 MERCEDES-BENZ 560SEC 5.6 V8 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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COMPONENT LOCATION DIAGRAMS FOR MERCEDES-BENZ 560SEC AUTOMOBILES
Component location diagrams for most MERCEDES-BENZ 560SEC cars and light trucks sold in the U.S. from 1990+.
![]() Components on diagram: |
![]() Components on diagram: |
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WIRING DIAGRAMS FOR MERCEDES-BENZ 560SEC AUTOMOBILES
OEM drawn wiring diagrams for most MERCEDES-BENZ 560SEC cars and light trucks sold in the U.S.
![]() Components on diagram: |
![]() Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR MERCEDES-BENZ 560SEC AUTOMOBILES
OEM TSB listings for most MERCEDES-BENZ 560SEC cars and light trucks sold in the U.S. from 1985+.
Document: DOORS - WIND NOISE MODIFICATIONS & IMMEDIATE REPAIR Vehicle: 1991 MERCEDES-BENZ 560SEC 5.6 V8 GAS Symptoms: |
Document: ELECTRONIC COMPONENTS - INFORMATION ON REPAIRING Vehicle: 1987 MERCEDES-BENZ 560SEC 5.6 V8 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR MERCEDES-BENZ 560SEC AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most MERCEDES-BENZ 560SEC 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 MERCEDES-BENZ 560SEC 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 MERCEDES-BENZ 560SEC 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 MERCEDES-BENZ 560SEC 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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