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2003 MERCEDES-BENZ G55 CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT MERCEDES-BENZ REPAIR SHOPS DON'T WANT YOU TO KNOW
Learn how to repair a car or truck, install or remove parts, wire an engine, reset warning lights, replace fuel filter, fix auto body and more. Get Automotix DIY!Select Section
- 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
- Cabin Air Filter Locations & 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 2003 MERCEDES-BENZ G55 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 G55 automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 2003 MERCEDES-BENZ G55 AUTOMOBILES
Mercedes-Benz -> Component Replacement & Adjustment -> Evaporator Temperature Sensor, Replace -> CL55 AMG, CL500, CL600, S55 AMG, S430, S500 & S600 -> Front -> ML55 AMG, ML350 & ML500 -> Rear
Vehicle: 2003 MERCEDES-BENZ G55 AMG 5.5 V8 GAS
CL55 AMG, CL500, CL600, S55 AMG, S430, S500 & S600
Front
- Recover refrigerant as outlined under .
- Disconnect sensor connector.
- Remove refrigerant temperature sensor.
- Replace receiver as previously outlined.
- Reverse procedure to install, noting the following:
- Install new O-rings lubricated with suitable compressor oil.
- Torque sensor to 53 inch lbs.
Rear
- Remove control module. ...
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BRAKE SERVICE PROCEDURES FOR 2003 MERCEDES-BENZ G55 AUTOMOBILES
Disc Brakes -> Caliper Service -> Assemble -> Disassemble -> Fixed -> Floating -> Front -> Inspection -> Rear
Vehicle: 2003 MERCEDES-BENZ G55 AMG 5.5 V8 GAS
Front
Fixed
Disassemble
- Press off dust cap
- Insert 1.1025 inches thick metal segment (brake disc section) into fixed caliper and carefully force pistons out against stop with compressed air.
- Remove piston using piston-turning pliers tool No. 000 589 50 37 00, or equivalent.
- Remove piston seal from groove in cylinder bore.
Inspection
- If piston is stuck or there are scores or rusted bores, replace complete caliper.
- Remove deposits on piston with soft brass wire brush or rough cloth only. If there is noticeable damage to chrome plating, replace piston.
- Inspect pistons and bores in fixed calip...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 MERCEDES-BENZ G55 AUTOMOBILES
Mercedes-Benz -> Fuel Filter Scheduled Maintenance -> 2003 Models w/Gasoline Engines Except E320 & E500 Sedans Less 4 Matic -> Normal Service -> Severe Service
Vehicle: 2003 MERCEDES-BENZ G55 AMG 5.5 V8 GAS
Normal Service
Repl...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2003 MERCEDES-BENZ G55 AUTOMOBILES
DRIVESHAFT, Replace
Vehicle: 2003 MERCEDES-BENZ G55 AMG 5.5 V8 GAS
- Remove exhaust system from flange back.
- Remove mounting bolts and rear reinforcement bridge, Fig. .
- Disconnect front exhaust shield from exhaust shield.
- Disconnect exhaust shield from tunnel.
- Remove mounting bolts and front reinforcement bridge.
- Loosen intermediate bearing mounting bolts.
- Remove mounting bolts and disconnect propeller shaft from transmission. Flexible disk remains with propeller shaft.
- Remove mounting bolts and disconnect propeller shaft from differential carrier. Flexible disk remains with propeller shaft.
- Loosen flexible discs fitted sleeves using suitable six-inc...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 MERCEDES-BENZ G55 AUTOMOBILES
Alternator, Replace
Vehicle: 2003 MERCEDES-BENZ G55 AMG 5.5 V8 GAS
- Remove drive belt.
- Remove protective cover, as required, and disconnect electrical connectors.
- Remove ...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2003 MERCEDES-BENZ G55 AUTOMOBILES
Cabin Air Filter Service -> Mercedes-Benz -> 2002-09 G Class
Vehicle: 2003 MERCEDES-BENZ G55 AMG 5.5 V8 GAS
On models except AMG, under normal operating conditions the cabin air filter should be replaced every 24 months or 26,000 miles. In dusty areas change the cabin air filter more often.
On AMG models, under normal operating conditions the cabin air filter should be replaced every 24 months or 30,000 miles. In dusty areas change the cabin air fi...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2003 MERCEDES-BENZ G55 AUTOMOBILES
Mercedes-Benz -> Check Engine Oil Level ->
Vehicle: 2003 MERCEDES-BENZ G55 AMG 5.5 V8 GAS
A sensor mounted in the engine oil pan allows engine oil level to be displayed on the instrument panel trip odometer window. With the vehicle parked on a level surface, engine warmed up and shut off for 5 minutes, place ignition switch in the On position. An oil level icon along with a clock icon should appear in the trip odometer window. Press the knob to the left of the speedometer twice. The message OK, 1.0 qt., 1.5 qt., 2.0 qts., or...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 MERCEDES-BENZ G55 AUTOMOBILES
Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 2003 MERCEDES-BENZ G55 AMG 5.5 V8 GAS
Inlet
- Drain coolant into a suitable container.
- Reposition clamp on heat exchanger feed pipe and remove hose.
- Reposition clamp on thermostat housing and remove hose.
- Remove hose from vehicle.
- Reverse procedure...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2003 MERCEDES-BENZ G55 AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2003 MERCEDES-BENZ G55 AMG 5.5 V8 GAS
- Remove fan and shroud.
- Disconnect electrical connector at engine and air conditioning fan.
- Remove retaining pin on right and left side.
- Press together retainer clamp of radiator on right and left and release radiator bridge.
- Press clamps on right ...
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COMPONENT LOCATION DIAGRAMS FOR 2003 MERCEDES-BENZ G55 AUTOMOBILES
Component location diagrams for most 2003 MERCEDES-BENZ G55 cars and light trucks sold in the U.S. from 1990+.
 Left Rear Door Diagram for 2003 MERCEDES-BENZ G55 AMG 5.5 V8 GASComponents on diagram: |
 Engine Compartment, Front Center Diagram for 2003 MERCEDES-BENZ G55 AMG 5.5 V8 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 2003 MERCEDES-BENZ G55 AUTOMOBILES
OEM drawn wiring diagrams for most 2003 MERCEDES-BENZ G55 cars and light trucks sold in the U.S.
 2003 MERCEDES-BENZ G55 AMG 5.5 V8 GAS Wiring DiagramComponents on diagram: |
 2003 MERCEDES-BENZ G55 AMG 5.5 V8 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2003 MERCEDES-BENZ G55 AUTOMOBILES
OEM TSB listings for most 2003 MERCEDES-BENZ G55 cars and light trucks sold in the U.S. from 1985+.
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Document: Re-code the Software Calibration Number (SCN) Vehicle: 2003 MERCEDES-BENZ G55 AMG 5.5 V8 GAS Auto Systems: |
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Document: Maintenance Systems Overview Vehicle: 2003 MERCEDES-BENZ G55 AMG 5.5 V8 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2003 MERCEDES-BENZ G55 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2003 MERCEDES-BENZ G55 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 2003 MERCEDES-BENZ G55 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 2003 MERCEDES-BENZ G55 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 2003 MERCEDES-BENZ G55 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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