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2003 Acura MDX CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Acura 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 Acura MDX car and truck
repair procedures including Acura 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 Acura MDX automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 2003 Acura MDX AUTOMOBILES
Acura -> Component Replacement & Adjustment -> Adjustments -> Heater Valve Cable -> RSX
Vehicle: 2003 Acura MDX Touring 3.5 V6 GAS
Heater Valve Cable
RSX
- Open cable clamp, then disconnect heater valve cable from heater valve arm, Fig. .
- Disconnect heater valve cable housing from clamp, then cable from air mix control linkage, Fig. .
- Turn ignition switch to ON position, then set temperature control dial on MAX COOL.
- Attach heater val...
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BRAKE SERVICE PROCEDURES FOR 2003 Acura MDX AUTOMOBILES
Acura -> Disc Brakes -> Brake System Bleed -> Anti-Lock Brake System (ABS) -> Conventional Brake System
Vehicle: 2003 Acura MDX 3.5 V6 GAS
Conventional Brake System
- Fill master cylinder reservoir with brake fluid.
- Raise and support vehicle.
- Position drain pan under lefthand front wheel.
- Have an assistant depress brake pedal with slow, even pressure and hold it down. Only press pedal halfway to floor. Do not depress brake pedal to end of master cylinder stroke.
- Open bleed valve one full turn. Watch for air bubbles in fluid and listen for air escaping from system.
- With brake pedal still depressed, close bleeder valve.
- Have an assistant pump brake pedal several times. Do not depress brake pedal fully to end of master cyli...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 Acura MDX AUTOMOBILES
Acura -> Component Locations -> MDX, RSX, TL, TSX, 3.2CL, 1999-03 3.2TL & 2005-06 RL
Vehicle: 2003 Acura MDX Touring 3.5 V6 GAS
On MDX, RSX, TL, TSX, 3.2CL, 1999-03 3.2TL and 20...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2003 Acura MDX AUTOMOBILES
CV AXLE SHAFT, Replace -> Front -> Rear
Vehicle: 2003 Acura MDX 3.5 V6 GAS
Front
- Loosen wheel nuts slightly.
- Raise and support vehicle and support it with safety stands in proper locations.
- Remove wheel nuts and front wheels.
- Lift up locking tab on spindle nut then remove nut.
- If left driveshaft is removed, drain transmission fluid, using a suitable container. It is not required to drain transmission fluid when right driveshaft is removed.
- Remove stabilizer link from dampner.
- Remove lock pin from lower arm ball joint castle nut and remove nut. Avoid damaging ball joint and install ball joint thread protector onto threads of ball joint. Do not damage ba...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 Acura MDX AUTOMOBILES
Starter, Replace
Vehicle: 2003 Acura MDX 3.5 V6 GAS
- Disconnect battery ground cable.
- Disconnect automatic transaxle cooler line clamp.
- Disconnect starter cable and solenoid terminal wire.
- Remove mounting bolts and starter motor.
- Reverse procedure to install, noting the follo...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2003 Acura MDX AUTOMOBILES
Cabin Air Filter Service -> Acura -> 2001-06 MDX
Vehicle: 2003 Acura MDX 3.5 V6 GAS
The cabin air filter should be replaced every 30,000 miles or 24 months. If the vehicle is operated primarily in urban areas with high concentrations of soot and diesel powered vehicles, replace the filter every 15,000 miles. The filter should be replaced more often if air flow is less than normal.
- On models equipped with radio anti-theft feature, prior to disconnecting the battery ground cable make sure you have the radio anti-theft code.
- On all models, disconnect and isolate the battery ground cable. After disconnecting the battery ground cable wait at least 3 minutes to allow the a...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2003 Acura MDX AUTOMOBILES
Acura -> Automatic Transmission D, D4 Or D5 Indicator Lamp -> 2003-06 MDX
Vehicle: 2003 Acura MDX 3.5 V6 GAS
When the PCM detects an abnormal automatic transmission input or output signal the D5 lamp will usually blink and or the MIL will be illuminated. After completing diagnosis and repairs, reset the D5 and or MIL as follows:
- With i...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Acura MDX AUTOMOBILES
Heater Hose, Replace -> Bypass -> Inlet -> Outlet
Vehicle: 2003 Acura MDX Touring 3.5 V6 GAS
Inlet
- Disconnect battery ground cable.
- Drain cooling system into a suitable container by loosening drain plug of radiator.
- Reposition hose clamp at heater core.
- Remove hose from heater core.
- Reposition hose clamp at water passage.
- Remove hose from water passage.
- Remove hose from vehicle.
- Reverse procedure to install.
Outlet
- Disconnect battery ground cable.
- Drain cooling system into a suitable container by loosening drain plug of radiator.
- Reposition hose clamp at...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2003 Acura MDX AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2003 Acura MDX 3.5 V6 GAS
- Rotate or lift belt tensioner arm, using a suitable tool to relieve tension from dr...
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COMPONENT LOCATION DIAGRAMS FOR 2003 Acura MDX AUTOMOBILES
Component location diagrams for most 2003 Acura MDX cars and light trucks sold in the U.S. from 1990+.
 Charging System Components Diagram for 2003 Acura MDX Touring 3.5 V6 GASComponents on diagram: |
 Dashboard Wire Harness A Diagram for 2003 Acura MDX 3.5 V6 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 2003 Acura MDX AUTOMOBILES
OEM drawn wiring diagrams for most 2003 Acura MDX cars and light trucks sold in the U.S.
 2003 Acura MDX 3.5 V6 GAS Wiring DiagramComponents on diagram: |
 2003 Acura MDX 3.5 V6 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2003 Acura MDX AUTOMOBILES
OEM TSB listings for most 2003 Acura MDX cars and light trucks sold in the U.S. from 1985+.
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Document: Battery Testing and Replacement Vehicle: 2003 Acura MDX 3.5 V6 GAS Auto Systems: |
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Document: Battery Maintenance at Dealers Vehicle: 2003 Acura MDX 3.5 V6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2003 Acura MDX AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2003 Acura MDX 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 Acura MDX 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 Acura MDX 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 Acura MDX 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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