1. Product Overview
The CTR CR0352 is an Original Equipment (OE) supplier inner tie rod end designed for specific KIA Optima models. This component is crucial for the vehicle's steering system, connecting the steering rack to the outer tie rod end. It facilitates the transmission of steering input from the steering wheel to the wheels, allowing the driver to steer the vehicle in the desired direction. The design incorporates a ball joint structure for flexible response and efficient steering power transmission, even when the vehicle body is inclined.
Image 1.1: CTR CR0352 Inner Tie Rod End.
Regular inspection of tie rod ends is recommended to prevent negative driving experiences due to wear or damage.
2. Compatibility
This CTR CR0352 Inner Tie Rod End is compatible with the following vehicles:
- US Region: KIA Optima 2016-2020
- European Region: KIA Optima JF 2015-
Replaces OEM Part Number: 57724-D4000. Please verify this part number fits your vehicle before purchasing or installing.
3. Key Features
- High-Strength Ball Stud: Manufactured with heat-treated materials for enhanced durability and performance.
- High Torque Retention Polymer Ball Seat: Utilizes a specially designed polymer ball seat to ensure longer-lasting performance, reduced friction damage, and stable torque variation.
- Complete Sealing with Non-Refill Special Grease: Designed with a sealed system that does not require grease refilling, ensuring consistent lubrication and protection from contaminants.
- Easy Maintenance Workability Design: Engineered for straightforward installation and removal processes.
Image 3.1: Heat Treated High-Strength Ball Stud.
Image 3.2: High Torque Retention Polymer Ball Seat.
Image 3.3: Complete Sealing Non-Refill Special Grease.
Image 3.4: Easy Maintenance Workability Design.
4. Failure Symptoms
A worn or damaged inner tie rod end can lead to several noticeable symptoms affecting vehicle handling and safety. If you experience any of the following, it is advisable to inspect your tie rod ends:
- Uneven wear on tires.
- Wheels not rotating proportionally to the steering wheel's movement.
- Steering wheel shakes or vibrates while driving.
- Loose-fitting wheels (if wheels are shaken left & right easily).
Image 4.1: Example of uneven tire wear.
Image 4.2: Illustration of a shaking steering wheel.
5. Installation Guide
This section provides a general guide for the installation of the CTR CR0352 Inner Tie Rod End. Professional installation is recommended. Always refer to your vehicle's specific service manual for detailed torque specifications and procedures.
Video 5.1: Official CTR Inner Tie Rod End Installation Guide. This video demonstrates the disassembly and assembly process for a tie rod end.
5.1. Disassembly
- Loosen the fixing nuts on the tie rod end and remove them. If the tie rod end is stuck and cannot be separated, use a puller tool.
- Take off the boot and remove the rack end that is connected to the rack bar. Special tools may be required depending on the shape of the rack end.
5.2. Comparison (Old vs. New Parts)
Before assembly, compare the old and new parts. Old, worn parts typically exhibit low torque and increased clearance, leading to unstable movement. New CTR parts are designed for stable torque and smooth movement, ensuring optimal steering performance.
5.3. Assembly
- Install the new inner tie rod end onto the rack bar, ensuring the boot is correctly positioned.
- Connect the tie rod end to the steering knuckle.
- Tighten all nuts to the manufacturer's prescribed torque specifications. The last tightening must be done with the correct torque.
5.4. Post-Assembly Alignment
After replacing the inner tie rod end, it is critical to have the vehicle's wheels aligned by a qualified technician. Proper wheel alignment ensures correct steering geometry, prevents uneven tire wear, and maintains vehicle stability and safety.
Image 5.1: Wheel alignment is necessary after tie rod end replacement.
6. Specifications
| Specification | Detail |
|---|---|
| Manufacturer | CTR |
| Model | CR0352 (Steering Tie Rod End) |
| Item Weight | 1.45 pounds |
| Package Dimensions | 10.94 x 2.24 x 1.73 inches |
| Exterior | Machined |
| OEM Part Number | 57724-D4000 |
7. Safety Warning
WARNING: This product can expose you to chemicals including carbon black, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.
