Contents

Toyota 2003 Tacoma Owner's Manual (OM35800U)
- Foreword
  - Important information about this manual
  - Important information about your Toyota
- 1. OPERATION OF INSTRUMENTS ANDCONTROLS
  - 1-1 Overview of instruments and controls
  - 1-2 Keys and Doors
  - 1-3 Seats, Seat belts, Steering wheel and Mirrors
  - 1-4 Lights and Wipers
  - 1-5 Gauges, Meters and Service reminder indicators
  - 1-6 Ignition switch, Transmission and Parking brake
  - 1-7 Car audio system
  - 1-8 Air conditioning system
  - 1-9 Other equipment
- 2. INFORMATION BEFORE DRIVING YOURTOYOTA
- 3. STARTING AND DRIVING
- 4. IN CASE OF AN EMERGENCY
- 5. CORROSION PREVENTION ANDAPPEARANCE CARE
- 6. VEHICLE MAINTENANCE AND CARE
- 7. DOITYOURSELF MAINTENANCE
  - 7-1 Introduction
  - 7-2 Engine and Chassis
  - 7-3 Electrical components
- 8. SPECIFICATIONS
- 9. REPORTING SAFETY DEFECTS FOR U.S.OWNERS, UNIFORM TIRE QUALITYGRADING AND CAMPER INFORMATION
- Gas station information

Toyota Tacoma 2003 Owner's Manual

Pages 311

Year 2003

Language(s)

of 311

Toyota Tacoma 2003 Truck Specification

The 2003 Toyota Tacoma is a compact pickup truck that combines reliability, versatility, and robust performance. It is available in several configurations, including Regular Cab, Extended Cab (Xtracab), and Crew Cab (Double Cab), catering to a wide range of consumer needs. Under the hood, the Tacoma offers two engine options: a 2.4-liter inline-4 engine producing 142 horsepower and 160 lb-ft of torque, and a more powerful 3.4-liter V6 engine delivering 190 horsepower and 220 lb-ft of torque. Both engines are paired with either a 5-speed manual transmission or a 4-speed automatic transmission, offering flexibility in driving preferences.

The 2003 Tacoma features a rear-wheel-drive (RWD) system as standard, with an optional four-wheel-drive (4WD) system for enhanced off-road capability. The truck's suspension setup includes a double-wishbone front suspension and a leaf spring rear suspension, providing a balance between on-road comfort and off-road durability. The braking system consists of front disc brakes and rear drum brakes, ensuring reliable stopping power.

In terms of dimensions, the Tacoma offers a variety of bed lengths and cab sizes, with the Regular Cab having a 74.5-inch bed, the Xtracab featuring a 61.5-inch bed, and the Double Cab equipped with a 61.5-inch bed. The interior of the Tacoma is designed with practicality in mind, featuring durable materials and straightforward controls. Depending on the trim level, amenities such as air conditioning, power windows, and an AM/FM stereo with CD player are available.

Safety features for the 2003 Tacoma include driver and passenger airbags, side-impact door beams, and optional anti-lock brakes (ABS). Overall, the 2003 Toyota Tacoma stands out as a reliable and versatile compact pickup truck, suitable for both everyday use and more demanding tasks.

Toyota Tacoma 2003 Truck F.A.Q.

How do I change the oil in a 2003 Toyota Tacoma?

To change the oil, first ensure the truck is on a level surface and the engine is cool. Remove the oil drain plug and let the old oil drain completely. Replace the oil filter and the drain plug. Add new oil through the oil filler cap, checking the level with the dipstick.

What is the recommended tire pressure for a 2003 Toyota Tacoma?

The recommended tire pressure for a 2003 Toyota Tacoma is typically 26 PSI for both front and rear tires, but it's best to check the placard on the driver's side door for precise information.

How do I replace the air filter in my 2003 Toyota Tacoma?

To replace the air filter, open the hood and locate the air filter box. Unclip the latches and remove the top cover. Take out the old filter, insert the new one, and secure the cover back in place.

What is the proper way to troubleshoot a check engine light on a 2003 Toyota Tacoma?

When the check engine light comes on, use an OBD-II scanner to read the diagnostic trouble codes. These codes will help identify the issue. Common problems include a loose gas cap or faulty oxygen sensors.

How often should the timing belt be replaced on a 2003 Toyota Tacoma?

It is recommended to replace the timing belt every 90,000 miles or every 6 years, whichever comes first, to prevent engine damage.

What type of coolant is suitable for a 2003 Toyota Tacoma?

The 2003 Toyota Tacoma typically uses Toyota Long Life Coolant or an equivalent that is ethylene glycol-based, non-silicate, non-amine, non-nitrate, and non-borate coolant.

How do I diagnose a starting issue in my 2003 Toyota Tacoma?

First, check the battery to ensure it is charged and the terminals are clean. Next, check the starter and ignition switch. If these components are fine, inspect the fuel system and engine fuses.

How can I improve fuel efficiency in a 2003 Toyota Tacoma?

To improve fuel efficiency, keep the tires properly inflated, perform regular maintenance, use the recommended grade of motor oil, and drive at moderate speeds.

What are common causes of overheating in a 2003 Toyota Tacoma?

Common causes of overheating include low coolant levels, a faulty thermostat, a damaged radiator, or a malfunctioning water pump. Regular inspection and maintenance can help prevent these issues.

How do I replace the brake pads on a 2003 Toyota Tacoma?

To replace the brake pads, lift the truck and remove the wheels. Remove the caliper bolts and slide the caliper off. Remove the old brake pads and install the new ones. Reattach the caliper and wheels, then lower the truck.