Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2004 Isuzu Ascender 2WD L6-4.2LFACTORY OEM SERVICE PROCEDURE
82500 MI or 132000 KM
Reset
Oil Change Reminder Lamp
Perform at mileage interval or every 3 months, whichever comes first, following every oil and filter change.
Inspect
Washer Fluid
Perform at mileage interval or every 6 months, whichever comes first.
Vehicle
Visually check for leaks or damage. A fluid loss in any vehicle could indicate a problem. Perform at mileage interval or every 3 months.
Disc Brake System
Visually inspect brake lines and hoses for proper hook-up, binding, leaks, cracks, chafing, etc. Inspect pads for wear and rotors for surface condition. Inspect other parts, including calipers, parking brake, etc. Perform at mileage interval or every 6 months, whichever comes first.
Coolant
Perform at mileage interval or every 6 months, whichever comes first.
Replace
Oil Filter, Engine
Perform at mileage interval or every 3 months, whichever comes first.
Engine Oil
Perform at mileage interval or every 3 months, whichever comes first.
Rotate
Tires
Check inflation pressures and wear. Perform rotation at mileage interval or every 6 months, whichever comes first. Perform wear inspection monthly.
Oil Change Reminder Lamp
Perform at mileage interval or every 3 months, whichever comes first, following every oil and filter change.
Inspect
Washer Fluid
Perform at mileage interval or every 6 months, whichever comes first.
Vehicle
Visually check for leaks or damage. A fluid loss in any vehicle could indicate a problem. Perform at mileage interval or every 3 months.
Disc Brake System
Visually inspect brake lines and hoses for proper hook-up, binding, leaks, cracks, chafing, etc. Inspect pads for wear and rotors for surface condition. Inspect other parts, including calipers, parking brake, etc. Perform at mileage interval or every 6 months, whichever comes first.
Coolant
Perform at mileage interval or every 6 months, whichever comes first.
Replace
Oil Filter, Engine
Perform at mileage interval or every 3 months, whichever comes first.
Engine Oil
Perform at mileage interval or every 3 months, whichever comes first.
Rotate
Tires
Check inflation pressures and wear. Perform rotation at mileage interval or every 6 months, whichever comes first. Perform wear inspection monthly.
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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