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.
1997 Land Rover Defender 90 AutomaticFACTORY OEM SERVICE PROCEDURE
Engine Controls - Service & Adjustment Specifications: Quick-Service: Notes
REPLACEMENT INTERVALS
| Component | Interval (Miles) | |||||
|---|---|---|---|---|---|---|
| Air Filter | (1)(2) 30,000 | |||||
| Brake Fluid | ||||||
| Defender 90 | 30,000 | |||||
| Discovery | 15,000 | |||||
| Coolant | 30,000 | |||||
| Fuel Filter | 30,000 | |||||
| Engine Oil & Oil Filter | (1) 7500 | |||||
| EVAP Vapor Canister | (1) 120,000 | |||||
| Front & Rear Differential Oil | 30,000 | |||||
| Oxygen Sensors | (1) 105,000 | |||||
| Serpentine Accessories Drive Belt | ||||||
| Defender 90 | 75,000 | |||||
| Discovery | 90,000 | |||||
| Spark Plugs | (1) 30,000 | |||||
| Transfer Case Oil | 30,000 | |||||
| Transmission Filter (A/T) | 30,000 | |||||
| Transmission Fluid | 30,000 | |||||
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INSPECTION/SERVICE INTERVALS (DEFENDER 90)
| Component | Interval (Miles) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Accelerator Linkage | (4) 15000 | ||||||||||
| Battery | (5) 30000 | ||||||||||
| Brake Calipers | (1) 7500 | ||||||||||
| Brake Drum Or Disc | (1) 7500 | ||||||||||
| Brake Lines | (1) 7500 | ||||||||||
| Brake Pads | (1) 7500 | ||||||||||
| Cooling System | (1) 7500 | ||||||||||
| Cruise Control Linkage | (4) 15000 | ||||||||||
| Door Hinges & Locks | (4) 15000 | ||||||||||
| Driveshaft "U" Joints | (4) 15000 | ||||||||||
| Engine Mounts | (1) 45000 | ||||||||||
| Exhaust System | (1) 15000 | ||||||||||
| Front & Rear Differential | (1) 15000 | ||||||||||
| Head Lights | (2) 30000 | ||||||||||
| Parking Brake | (2) 15000 | ||||||||||
| Power Steering Fluid | (1) 15000 | ||||||||||
| Radiator | (1) 15000 | ||||||||||
| Seat Belts | (1) 15000 | ||||||||||
| Shock Absorbers | (1) 15000 | ||||||||||
| Steering Box Gear | (2) 45000 | ||||||||||
| Tires | (1) 7500 | ||||||||||
| Transmission Fluid (A/T) | (1) 15000 | ||||||||||
| Warning System Operation | (1) 7500 | ||||||||||
| Wheels | (1)(3) 15000 | ||||||||||
| Wiper/Washer | (1) 7500 | ||||||||||
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INSPECTION/SERVICE INTERVALS (DISCOVERY)
| Component | Interval (Miles) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| A/C Condenser | (1) 15000 | ||||||||||
| Accelerator Linkage | (4) 15000 | ||||||||||
| Battery | (5) 30000 | ||||||||||
| Brake Calipers | (1) 7500 | ||||||||||
| Brake Drum Or Disc | (1) 7500 | ||||||||||
| Brake Fluid | (1) 15000 | ||||||||||
| Brake Lines | (1) 7500 | ||||||||||
| Brake Pads | (1) 7500 | ||||||||||
| Cooling System | (1) 7500 | ||||||||||
| Clutch Fluid | (1) 15000 | ||||||||||
| Cruise Control Linkage | (4) 15000 | ||||||||||
| Door Hinges & Locks | (4) 15000 | ||||||||||
| Driveshaft "U" Joints | (4) 15000 | ||||||||||
| Engine Mounts | (1) 45000 | ||||||||||
| Exhaust System | (1) 15000 | ||||||||||
| Exhaust System Heat Shield | (1) 7500 | ||||||||||
| Front & Rear Differential | (1) 15000 | ||||||||||
| Fuel Lines | (1) 15000 | ||||||||||
| Head Lights | (2) 30000 | ||||||||||
| Parking Brake | (2) 15000 | ||||||||||
| Power Steering Fluid | (1) 15000 | ||||||||||
| Radiator | (1) 15000 | ||||||||||
| Seat Belts | (1) 15000 | ||||||||||
| Serpentine Drive Belt | (1) 30000 | ||||||||||
| Shock Absorbers | (1) 15000 | ||||||||||
| Steering Box Gear | (2) 45000 | ||||||||||
| Steering Linkage Joints | (1) 15000 | ||||||||||
| Tires | (1) 7500 | ||||||||||
| Transfer Box | (1) 15000 | ||||||||||
| Transmission Fluid | (1) 15000 | ||||||||||
| Transmission Mounts | (1) 45000 | ||||||||||
| Warning System Operation | (1) 7500 | ||||||||||
| Wheels | (1)(3) 15000 | ||||||||||
| Wiper/Washer | (1) 7500 | ||||||||||
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Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
