About Toyota 4Runner
Toyota 4Runner is a mid-size sport utility vehicle (SUV) manufactured by Toyota since 1984. The first Toyota 4Runner was introduced in 1984 and designed based on Toyota Hilux. It has been produced through five generations. As a car with such a long history, Toyota 4Runner ranked third at the top 10 longest-lasting vehicles in the US list issued by iSeeCars.com.
The fourth generation Toyota 4Runner (N210; 2002-2009) was introduced in October 2002 for the 2003 model year. It was available in several trims including SR5, Sport Edition and Limited. As a 5-door wagon, it got power from 4.0 L 1GR-FE V6, 2.7 L 2UZ-FE V8, 4.7 L 2UZ-FE with VVT-i, 3.0 L 1KZ-TE inline 4-cylinder turbodiesel and 3.0 L 1KD-FTV inline 4-cylinder engines. All engines were mated to 5-speed automatic Aisin A7xx Series. On September 24, 2009, the fifth generation 4Runner was unveiled at the Texas State Fair. If offered SR5, Limited, Trail Edition (Trail and Trail Premium were renamed to TRD Off-Road and TRD Off-Road Premium), and TRD Pro. Available engines include 2.7 L 157 hp 2TR-FE inline 4-cylinder and 4.0 L 1GR-FE V6 engines. They are mated to 4-speed automatic and 5-speed automatic transmissions respectively.
Toyota 4Runner Common Problems & Maintenance Tips
Troubleshooting common problems on Toyota 4Runner could extend its lifespan. Then as for how to diagnose those common problems, here we have provided some symptoms to help you:
First, engine problem. Engine is one of the most important auto parts in Toyota 4Runner. According to 4Runner drivers, common engine symptoms included engine misfiring, slow acceleration and poor fuel economy. What's more, engine performance suffered such as giving out metallic sounds, overheating and exhausting dirty smoke. And the Check Engine Light comes on is the obvious sign. If any above symptoms are noticed to happen to your Toyota 4Runner, you are supposed to inspect the spark plug and oil filter.
Second, suspension, steering and transmission system go bad. Normally, these problems on Toyota 4Runner show as audible clunking noises and appreciable excessive vibration form the front, which resulted uneven tire wear in the rear as well. And the improperly operated tie rod end would also cause uneven or excessive tire wear as well as a shaky or loose steering wheel. As for transmission failure, it is always caused by a bad bellhousing. And you can have a check at the ball joint and wheel bearing first if your Toyota 4Runner's suspension failed.
It is certain that other than above auto parts, some more daily use and easier to wear auto parts on your 4Runner need your care as well. For instance, seat belt is used every day and you might as well replace it after every accident. Speedometer cable as an electrical part is also easy go bad. And brake system as a lifesaver, the brake disc, brake proportioning valve and brake pad set need your meticulous maintenance.
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