2002 Toyota 4Runner
2002 Toyota 4Runner
Overview
The 2002 Toyota 4Runner is a highly regarded mid-size SUV known for its robust build quality and off-road capability. This generation, particularly the 2002 model year, is celebrated for its overall reliability and longevity. While generally a dependable vehicle, like any machine, it has specific areas that have seen more attention from owners over time. This analysis focuses on documented technical issues beyond routine maintenance, providing insights into potential concerns for prospective buyers or current owners looking to maintain their 4Runner.
Engine
2.7L 3RZ-FE (4-Cylinder)
Head Gasket Failure
- Symptoms: Overheating, coolant loss, white smoke from exhaust, milky oil.
- Solution: Replacement of head gasket and potentially resurfacing of cylinder head.
- Cost: $1,200 - $2,500
Oil Leaks
- Symptoms: Visible oil drips, burning oil smell, low oil level.
- Solution: Replacement of seals and gaskets (e.g., valve cover gasket, oil pan gasket).
- Cost: $300 - $800
3.4L 5VZ-FE (V6)
Head Gasket Failure
- Symptoms: Overheating, coolant loss, white smoke from exhaust, milky oil.
- Solution: Replacement of head gasket and potentially resurfacing of cylinder head.
- Cost: $1,300 - $2,600
Timing Belt Failure (if not replaced)
- Symptoms: Sudden engine shutdown, no start, rattling noise.
- Solution: Replacement of timing belt, tensioner, water pump, and idler pulleys.
- Cost: $600 - $1,200
Transmission
4-Speed Automatic (A340E)
No Major Issues
- Symptoms: No widespread issues reported.
- Solution: No widespread issues reported.
- Cost: No widespread issues reported.
5-Speed Manual (R150F)
No Major Issues
- Symptoms: No widespread issues reported.
- Solution: No widespread issues reported.
- Cost: No widespread issues reported.
Suspension
Standard Chassis
Lower Ball Joint Wear
- Symptoms: Clunking noises from front suspension, uneven tire wear, steering looseness.
- Solution: Replacement of lower ball joints.
- Cost: $300 - $600
Rear Differential Breather Hose
- Symptoms: Water or debris ingress into differential, leading to premature wear.
- Solution: Relocation or replacement of the differential breather hose.
- Cost: $100 - $250
Electrical
Body Control Module (BCM)
Intermittent Electrical Gremlins
- Symptoms: Power window issues, door lock malfunctions, interior light problems.
- Solution: Diagnosis and potential replacement or repair of the BCM.
- Cost: $500 - $1,000
Alternator
Failure
- Symptoms: Dimming headlights, battery warning light, starting issues.
- Solution: Replacement of the alternator.
- Cost: $400 - $700
Exterior
Body Panels
Rust
- Symptoms: Corrosion on fenders, rocker panels, frame rails, especially in rust-belt regions.
- Solution: Rust repair, panel replacement, or undercoating.
- Cost: $500 - $3,000+
Tailgate Handle
Plastic Fatigue
- Symptoms: Cracked or broken tailgate handle.
- Solution: Replacement of the tailgate handle.
- Cost: $100 - $250
Interior
Seat Upholstery
Wear and Tear
- Symptoms: Rips, tears, and fading on fabric seats.
- Solution: Seat cover installation or professional reupholstery.
- Cost: $100 - $500
HVAC Blower Motor
Failure
- Symptoms: No airflow from vents, intermittent fan speed.
- Solution: Replacement of the HVAC blower motor.
- Cost: $200 - $400
Summary Verdict
The 2002 Toyota 4Runner stands out as a remarkably reliable vehicle, with its powertrains and transmissions generally proving very durable. The most common significant issues tend to be related to the head gaskets on both engine options, though this is often a concern with higher mileage vehicles. Other areas to monitor include potential rust in certain climates, wear on suspension components like lower ball joints, and occasional electrical quirks. Proactive maintenance, especially on the timing belt for the V6, and addressing rust early can significantly extend the life and enjoyment of this capable SUV.