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2003 Isuzu Ascender CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Isuzu 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 2003 Isuzu Ascender AUTOMOBILES
Isuzu -> Component Replacement & Adjustment -> Heater Mode Door, Replace -> Axiom, Rodeo & Rodeo Sport
Vehicle: 2003 Isuzu Ascender 4.2 L6 GAS
Axiom, Rodeo & Rodeo Sport
- Remove heater core as outlined in "Heater Core, Replace."
- Pull mo...
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BRAKE SERVICE PROCEDURES FOR 2003 Isuzu Ascender AUTOMOBILES
Isuzu -> Disc Brakes -> Caliper Service -> Front -> Installation -> Overhaul -> Rear -> Removal -> Replacement
Vehicle: 2003 Isuzu Ascender 5.3 V8 GAS
Replacement
Front
Removal
- Remove two-thirds of brake fluid from master cylinder reservoir.
- Raise and support vehicle.
- Remove wheel and tire assembly.
- Disconnect brake hose from caliper and cap openings in hose and caliper.
- Remove caliper from vehicle.
Installation
- If original linings are being installed, they must be installed in the original position as marked during removal.
- Apply suitable grease to both contacting surfaces of inner shims.
- Install clips, pads and shims into caliper.
- Use a large pair of suitable pliers to compress caliper piston back into caliper bore.
- Connect brake hose to...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 Isuzu Ascender AUTOMOBILES
Isuzu -> Component Locations -> Ascender
Vehicle: 2003 Isuzu Ascender 4.2 L6 GAS
On models with returnless fuel system,the fuel filter is located on the fuel pump assemb...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2003 Isuzu Ascender AUTOMOBILES
DRIVESHAFT, Replace -> Rear
Vehicle: 2003 Isuzu Ascender 5.3 V8 GAS
Rear
- Raise and support vehicle and support it with safety stands in proper locations.
- Mark relationship of components before removal.
- Remove bolts from steering gear crossmember
- Reference mark relationship of driveline to rear axle pinion yoke.
- Reference mark driveline to transmission or transfer case.
- Remove bolts securing yoke retainers from rear axle pinion yoke.
- Slide driveline forward in order to disconnect driveline shaft from rear ax...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 Isuzu Ascender AUTOMOBILES
Starter, Replace
Vehicle: 2003 Isuzu Ascender 4.2 L6 GAS
- Disconnect battery ground cable.
- Remove vacuum brake booster hose, then the battery positive lead from solenoid.
- Remove starter solenoid from solenoid, then the starter mou...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2003 Isuzu Ascender AUTOMOBILES
Isuzu -> Intelligent Suspension Control (ISC) Indicator Lamp ->
Vehicle: 2003 Isuzu Ascender 4.2 L6 GAS
The Intelligent Suspension Control (ISC) indicator lamp will illuminate when the ignition switch is placed in the on position and should go off when the engine is started. If the lamp remains on or comes on while driving, a fault in the Intelligent Suspension Control is present. After diagnosis and repairs, then DTCs may be cleared as follows:
- Connect a ju...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Isuzu Ascender AUTOMOBILES
Radiator, Replace
Vehicle: 2003 Isuzu Ascender 5.3 V8 GAS
- Drain coolant from radiator into a suitable container.
- Recover refrigerant.
- Raise and support vehicle, then remove radiator support shield.
- Remove outlet radiator hose from radiator, then the transmission cooler lines from radiator.
- Lower vehicle, then rem...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2003 Isuzu Ascender AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2003 Isuzu Ascender 5.3 V8 GAS
- Rotate tensioner clockwise to release belt tension using suitable wrench, then remove belt.
- Route belt over pulleys excep...
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COMPONENT LOCATION DIAGRAMS FOR 2003 Isuzu Ascender AUTOMOBILES
Component location diagrams for most 2003 Isuzu Ascender cars and light trucks sold in the U.S. from 1990+.
Headliner Diagram for 2003 Isuzu Ascender 4.2 L6 GAS Components on diagram: |
Garage Door Opener Components Diagram for 2003 Isuzu Ascender 5.3 V8 GAS Components on diagram: |
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WIRING DIAGRAMS FOR 2003 Isuzu Ascender AUTOMOBILES
OEM drawn wiring diagrams for most 2003 Isuzu Ascender cars and light trucks sold in the U.S.
2003 Isuzu Ascender 4.2 L6 GAS Wiring Diagram Components on diagram: |
2003 Isuzu Ascender 5.3 V8 GAS Wiring Diagram Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2003 Isuzu Ascender AUTOMOBILES
OEM TSB listings for most 2003 Isuzu Ascender cars and light trucks sold in the U.S. from 1985+.
Document: Analog OnstarA® Deactivation Special Coverage Adjustment (SPA 08089) Vehicle: 2003 Isuzu Ascender 4.2 L6 GAS Auto Systems: |
Document: ANALOG ONSTAR DEACTIVATION SPECIAL COVERAGE ADJUSTMENT Vehicle: 2003 Isuzu Ascender 4.2 L6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2003 Isuzu Ascender AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2003 Isuzu Ascender 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 Isuzu Ascender 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 Isuzu Ascender 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 Isuzu Ascender 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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