Should you buy a 4th Gen Toyota 4Runner? 2003-2009 Common Problems

A Toyota Master Diagnostic Technician shares common problems that you should look for when buying or owning a 4th generation Toyota 4Runner between 2003-2009 model years. So Should you buy a 4th Gen Toyota 4Runner? In this video We'll go over some of the common issues I see with this awesome truck that you should know about if you own one or looking to buy one. Here are some helpful videos for Toyota 4Runner owners : Toyota trucks sealed transmission fluid replacement DIY: https://youtu.be/NUAuGmDGntY 5th Generation 4Runner common problems: https://youtu.be/bi_AeB335Yo Toyota 4runner Technical Review Series: https://youtube.com/playlist?list=PLeFzfl0Q8rQWEfqiaOGG3wzXKNughcpzi We'll follow my channel's format for common problems broken into sections. First we'll cover some common issues with the engine. The 4Runner in this generation had 2 possible engine options in most markets. The 4.0L 1GR-FE V6 and the 4.7L 2UZ-FE V8 engine. Although those engines are solid options they do have some issues that are common. Then the Transmission of the 4Runner. 2 Possible options, The 4 speed and the 5 speed. Both are very solid transmissions with very few minor issues. Make sure you replace your 4th generation 4Runner transmission fluid every 60,000 miles or 6 years so you won't have to worry about the transmission filter. I'll also cover common issues with the 4WD system. Make sure you use your 4WD frequently as instructed by the owner's manual. This alone will prevent many of the issues. I'll also cover items on Chassis, Body and Electrical. Including issues with suspension and a common knocking noise that is very simple and inexpensive to fix. Brakes are generally good on this truck however rust does affect them which is a theme with this truck. Lastly we'll have the frame rust conversation. This is possibly the biggest problem with this truck. One that can basically mechanically total this truck. Be very careful when shopping for one. Do NOT buy a 4runner that's rusty. And always under coat the frame to protect it from rust. Follow the channel on Social Media : http://www.facebook.com/thecarcarenut http://www.instagram.com/thecarcarenut Check out the channel Merch store https://www.youtube.com/channel/UCEKt2bUDBoRUw3wpPpDOUaA/store Support the channel on Patreon: http://www.patreon.com/thecarcarenut Make a one time donation to the channel: http://www.paypal.me/CCNdonate #thecarcarenut #toyota4runner #toyota 0:00 Intro 0:46 Engine 8:52 Transmission 10:53 4WD System 14:10 Chassis 19:17 Body 21:33 Electrical 22:47 Frame Rust Conversation

Added 1 Jun 2026