1. Product Overview
The CTR CB0274 Front Lower Ball Joint is a critical component of your vehicle's suspension system. It functions as a spherical bearing that connects the steering knuckle to the control arm, allowing for dynamic and flexible movement of the suspension parts. This design helps to absorb impacts and ensure a smooth ride. Manufactured by CTR, an OE supplier, this ball joint is designed with premium grade materials and precision standards for reliable performance.
Image 1.1: The CTR CB0274 Front Lower Ball Joint, including the main joint assembly, circlip, nut, and bolt.
Image 1.2: The CTR CB0274 Front Lower Ball Joint alongside its product packaging, highlighting the brand and product type.
2. Key Features
- High Hardness Ball Stud: Manufactured with heat-treated, high-strength material for enhanced durability and performance.
- Durable Rubber Boot: Features a highly durable rubber boot designed to protect internal components from contaminants and maintain lubrication.
- Long-lasting Surface Treatment: Components undergo specialized surface treatment for extended lifespan and corrosion resistance.
- Polymer Ball Seat: Utilizes a specially designed polymer ball seat that results in longer-lasting performance due to low friction damage and low torque variation. This design eliminates the need for grease refilling.
- Completely Sealed: Designed to be completely sealed, preventing the need for grease refilling and ensuring consistent performance.
Image 2.1: Visual representation of key features including the heat-treated ball stud, durable rubber boot, and polymer ball seat.
3. Compatibility and Fitment
The CTR CB0274 ball joint is compatible with a range of Ford, Mazda, Mercury, and Kia vehicles. Please verify fitment for your specific vehicle before purchasing or installing.
North American Region Compatibility:
- Ford Escape (2001-2012)
- Ford Probe (1989-1994)
- Mazda 3 (2004-2013)
- Mazda 3 Sport (2009-2013)
- Mazda 5 (2006-2010, 2012-2017)
- Mazda 626 (1983-1999, 2001-2002)
- Mazda MPV (2000-2006)
- Mazda MX-6 (1988-1997)
- Mazda Protege (1999-2003)
- Mazda Protege5 (2002-2003)
- Mazda Tribute (2001-2006, 2008-2011)
- Mercury Mariner (2005-2011)
Image 3.1: Detailed fitment guide for North American vehicles compatible with CB0274.
European Region Compatibility:
- Kia Clarus FE (1996-2001)
- Kia Credos FE (1996-2000)
Image 3.2: Detailed fitment guide for European vehicles compatible with CB0274.
Replaces OEM Part Numbers:
This ball joint replaces various OEM part numbers, including but not limited to:
- 0G030-34-550A, 0G030-34-550B
- 0K030-32-550A, 0K9A2-34-300, 0K9A2-34-350, 0K9A6-34-300, 0K9A6-34-350
- 3L8Z3078AB, 3L8Z3079AB
- 4L8Z3078AA, 4L8Z3078R, 4L8Z-3078-R, 4L8Z3079AA, 4L8Z3079L, 4L8Z-3079-L
- 5L8Z3078AA, 5L8Z3079AA
- 6L8Z-3078-AA, 6L8Z-3079-AA
- B25D-34-300A, B25D-34-300B, B25D-34-300D, B25D-34-350A, B25D-34-350B, B25D-34-350D, B25D-99-350D
- B28V34350B, B32H-34-
- 17631, 29357, 42423, 1181402, 3590801, 11814 02, 35908 01
Image 3.3: A comprehensive list of part numbers that the CB0274 ball joint replaces.
4. Failure Symptoms
A failing ball joint can lead to several noticeable symptoms that indicate a need for inspection and replacement. Recognizing these signs early can prevent further damage to your vehicle's suspension and ensure driving safety.
- Loose-fitting Wheels: If wheels can be shaken up and down easily, it may indicate a loose-fitting ball joint.
- Creaking Noise & Vibration: Unusual creaking noises and vibrations while driving are common indicators of a worn ball joint.
- Decreased Straightness: Difficulty maintaining a straight path or a feeling of wandering steering can be a symptom.
- Uneven Tire Wear: Abnormal or uneven wear patterns on your tires can result from improper alignment caused by a failing ball joint.
Video 4.1: This video demonstrates the symptoms of a failing ball joint, including wheel looseness, and explains how to identify them. It also provides a comparison between old and new parts, and a guide for disassembly and assembly.
5. Disassembly Instructions
Follow these steps to safely remove the old ball joint. Refer to Video 4.1 for visual guidance.
- Loosen Control Arm Bushing Fixing Bolt: Use appropriate tools to loosen the bolt that secures the control arm bushing.
- Loosen Fixing Bolt Connecting Knuckle and Ball Joint: Locate and loosen the bolt that connects the steering knuckle to the ball joint.
- Remove Control Arm: Carefully remove the control arm. If the ball joint is stuck and cannot be separated easily, use a puller tool to assist in removal.
- Loosen Fixing Bolt between Control Arm and Ball Joint: Once the control arm is removed, loosen the fixing bolt that connects the ball joint to the control arm. The separation method may vary depending on the specific ball joint type.
6. Assembly Instructions
Follow these steps to install the new CTR CB0274 ball joint. Refer to Video 4.1 for visual guidance.
- Attach New Ball Joint to Control Arm: Secure the new ball joint to the control arm. Ensure proper alignment before tightening.
- Reinstall Control Arm: Carefully reattach the control arm to the vehicle's suspension. Use a soft-faced hammer only if necessary to seat the components; an iron hammer can damage the product.
- Tighten Fixing Bolt Connecting Knuckle and Ball Joint: Securely tighten the bolt that connects the steering knuckle to the ball joint.
- Tighten Control Arm Bushing Fixing Bolt: Tighten the control arm bushing fixing bolt.
- Final Tightening: The last tightening of all bolts must be performed with the prescribed torque specifications to ensure proper function and safety. Consult your vehicle's service manual for specific torque values.
7. Specifications
| Specification | Value |
|---|---|
| Manufacturer | CTR |
| Brand | CTR |
| Model | Suspension Ball Joint |
| Item Weight | 15.1 ounces |
| Package Dimensions | 3.98 x 3.58 x 3.5 inches |
| Country of Origin | Korea, Republic of |
| Item Model Number | CB0274 |
| Exterior | Machined |
| Position | Front Lower |
8. Maintenance
Regular inspection of your vehicle's suspension components, including ball joints, is crucial for safety and longevity. While CTR ball joints feature a sealed design that eliminates the need for grease refilling, periodic checks for wear, tear, or damage to the rubber boot are recommended. Any visible damage to the boot can lead to contamination and premature failure of the joint.
If you notice any of the failure symptoms described in Section 4, it is advisable to have your vehicle inspected by a qualified mechanic immediately.
9. Troubleshooting
If you experience issues that may be related to the ball joint, consider the following:
- Noise or Vibration: Check for looseness in the wheel by lifting the vehicle and attempting to shake the wheel vertically and horizontally. If significant play is detected, the ball joint may be worn.
- Steering Issues: If the vehicle pulls to one side or feels unstable, an alignment check is recommended. Worn ball joints can affect alignment.
- Tire Wear: Inspect tire tread for uneven wear patterns (e.g., feathering, cupping). This can be a sign of suspension issues, including ball joint wear.
For any persistent issues, professional diagnosis and repair are recommended.
10. Warranty and Support
Specific warranty information for the CTR CB0274 Front Lower Ball Joint is typically provided at the point of purchase or within the product packaging. Please retain your proof of purchase for any warranty claims.
For technical support or further inquiries, please refer to the contact information provided by your retailer or visit the official CTR website. Always ensure that installation and maintenance are performed by qualified personnel to maintain product warranty and vehicle safety.
Warning: This product can expose you to chemicals including carbon black, which is known to the State of California to cause cancer.
