2004 Toyota Sequoia
2004 Toyota Sequoia
Overview
The 2004 Toyota Sequoia is a full-size SUV known for its robust build and Toyota’s reputation for reliability. It was offered with a powerful V8 engine and a capable transmission, designed for hauling and towing. While generally well-regarded, like any vehicle, it has specific areas that owners have reported issues with over time. This analysis focuses on common mechanical and electrical concerns, excluding routine maintenance, to provide a clear picture of potential reliability challenges for this model year.
Engine
4.7L V8 (2UZ-FE)
Timing Belt Replacement Interval
- Symptoms: While not a failure, neglecting the recommended replacement interval (typically around 90,000 miles) can lead to catastrophic engine damage if the belt breaks.
- Solution: Adhere to the manufacturer’s recommended timing belt replacement schedule.
- Cost: $600 - $1000
Oil Leaks (Valve Covers/Rear Main Seal)
- Symptoms: Visible oil drips under the vehicle, low oil level, burning oil smell.
- Solution: Replacement of valve cover gaskets or rear main seal.
- Cost: $300 - $700 (Valve Covers), $700 - $1200 (Rear Main Seal)
Transmission
5-Speed Automatic (A750F)
No widespread issues reported.
- Symptoms: No widespread issues reported.
- Solution: No widespread issues reported.
- Cost: No widespread issues reported.
Suspension
Standard Chassis
Ball Joint Wear
- Symptoms: Clunking noises from the front suspension, uneven tire wear, vague steering feel.
- Solution: Replacement of worn ball joints.
- Cost: $400 - $800
Sway Bar Links/Bushings
- Symptoms: Rattling or clunking noises, especially over bumps or during cornering.
- Solution: Replacement of worn sway bar links and/or bushings.
- Cost: $200 - $400
Electrical
General Electrical System
Alternator Failure
- Symptoms: Dimming headlights, battery warning light illuminated, difficulty starting the engine, electrical components malfunctioning.
- Solution: Replacement of the alternator.
- Cost: $500 - $800
Power Window Actuator Failure
- Symptoms: Power windows not operating, slow window operation, unusual noises from the door panel.
- Solution: Replacement of the power window motor/regulator.
- Cost: $250 - $500 per window
Exterior
Body and Trim
Clear Coat Peeling (Roof/Hood)
- Symptoms: Fading paint, peeling clear coat, especially on horizontal surfaces exposed to sun.
- Solution: Repainting affected areas.
- Cost: $500 - $2000+
Interior
Interior Components
HVAC Blower Motor Resistor
- Symptoms: HVAC fan only works on the highest setting, or not at all.
- Solution: Replacement of the blower motor resistor.
- Cost: $100 - $250
Summary Verdict
The 2004 Toyota Sequoia is generally a reliable vehicle, particularly its powertrain. The 4.7L V8 engine and 5-speed automatic transmission are known for their durability. Common issues tend to be related to age and mileage, such as suspension components (ball joints, sway bar links) and some electrical parts like the alternator and power window components. Exterior paint issues like clear coat peeling are also not uncommon due to sun exposure. Proactive maintenance, especially regarding the timing belt, is crucial for long-term reliability. Overall, it remains a solid choice for a used full-size SUV if well-maintained.