Lexus RX330 Lower Control Arms and Engine Mounts Replacement

This video shows my experience replacing the front lower control arms and all engine mounts on a Lexus RX330 equipped with the 3.3L V6 3MZ-FE engine. This includes the front engine mounts, rear engine mount, left (driver side) mount, right (passenger side) mount, and the upper torque mount often referred to as the “dogbone” mount. This repair addresses common ~20 year old wear items that contribute to front end clunking, steering instability, vibration at idle, drivetrain shudder, and excessive engine movement under load or shifting. These components are typical failure points on higher mileage Toyota and Lexus vehicles and are often replaced together during long term maintenance. The front suspension lower control arms contain bushings that wear over time, leading to looseness in steering response and noise over bumps. Engine mounts on this platform are hydraulic and rubber-filled, and when they fail they can cause noticeable vibration at idle and harsh shifting feel under acceleration. Parts replaced in this video: 12360-0A110 INSULATOR ASSY, ENGINE MOUNTING, FRONT 12363-0A100 ROD, ENGINE MOVING CONTROL 12362-0A040 INSULATOR, ENGINE MOUNTING, RH 12372-0A040 INSULATOR, ENGINE MOUNTING, LH 12371-0A050 INSULATOR, ENGINE MOUNTING, REAR 48068-0E010 ARM SUB-ASSY, FRONT SUSPENSION, LOWER NO.1 RH 48069-0E010 ARM SUB-ASSY, FRONT SUSPENSION, LOWER NO.1 LH This repair is part of typical long-term maintenance on Toyota and Lexus RX330 models and other vehicles using the same drivetrain and suspension platform. Common symptoms that lead to this repair include: Clunking noise from front suspension over bumps Steering looseness or instability Excessive engine vibration at idle or in gear Noticeable movement of engine during acceleration or shifting Uneven tire wear due to worn suspension geometry This procedure applies to Toyota and Lexus vehicles using similar front suspension and 3MZ-FE V6 engine mounting layouts, including Toyota Highlander, Toyota Sienna, Toyota Camry V6, and Lexus ES and RX platforms depending on model year. Disclaimer: All content in this video is provided for educational and entertainment purposes only. The creator makes no representations as to the accuracy, completeness, or suitability of any information presented. Working on vehicles, machinery, electronics, and tools involves inherent risks of property damage and serious personal injury. By watching and choosing to replicate any actions shown, you acknowledge and agree that you do so entirely at your own risk. The creator assumes no liability or responsibility for any injury, damage, loss, or financial cost resulting from the use or misuse of the information, tools, or techniques shown. If you are unsure of your abilities, always consult a certified professional before beginning any work. Additional Information and Related Topics On the Lexus RX330, all engine mounts including the front mounts, rear mount, left (driver side) mount, right (passenger side) mount, and upper torque mount (commonly called the “dogbone”) are known wear items that degrade with age, heat cycling, and mileage. When these mounts wear out, they can collectively contribute to drivetrain vibration, harsh engagement between gears, and excessive engine movement under load. In many cases, owners replace all engine mounts together with front lower control arms because access overlap during suspension or drivetrain disassembly can reduce overall labor time and improve long-term reliability. This repair is also applicable to other Toyota and Lexus vehicles using similar suspension geometry and 3MZ-FE V6 engine mounting layouts, including Toyota Highlander, Toyota Sienna, Toyota Camry V6, and Lexus ES models depending on generation. Common related search topics include: RX330 engine mount replacement full set Toyota Lexus engine vibration fix all mounts 3MZ-FE engine mount symptoms clunk vibration Lexus RX330 front end clunk and vibration repair Toyota engine mount replacement front rear dogbone Front suspension and engine mount refresh Toyota Lexus RX330 High mileage Lexus RX330 maintenance checklist If you are performing this repair, it is recommended to inspect sway bar links, tie rod ends, and strut assemblies while the front suspension is disassembled, as these components often wear at similar intervals.