Febi Rubber Buffer, suspension - TED47889

This rubber buffer is designed for the rear axle of Jeep Grand Cherokee III (WH, WK) and Commander...

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Product Information

Full details

This guide is for owners of Jeep Grand Cherokee III (WH, WK) and Commander (XK, XH) models equipped with a sports package, looking to maintain their vehicle's rear suspension integrity. The Febi Rubber Buffer (TED47889) offers essential protection for your rear axle suspension, helping to absorb impacts and prolong component life. Note that two units are required for a full vehicle replacement to ensure balanced performance and correct fitment.

All features

Model Part NumberTED47889
BrandFebi

Extended Product Information

FAQs

How many Febi Rubber Buffers (TED47889) do I need for my vehicle?

You will need two units of this rubber buffer for a complete replacement on your vehicle's rear axle.

What is the primary function of this rubber buffer?

The primary function is to prevent the suspension from bottoming out under heavy compression, absorbing impacts and protecting other suspension components like shock absorbers and springs from damage, especially for sports package vehicles.

Is this buffer compatible with all Jeep Grand Cherokee III and Commander models?

No, this specific buffer is designed for the rear axle of Jeep Grand Cherokee III (WH, WK) and Commander (XK, XH) models that are equipped with a sports package only. Always verify compatibility with your vehicle's specifications.

Can I install this rubber buffer myself?

While experienced DIY mechanics might attempt it, professional installation is highly recommended due to the safety-critical nature of suspension components and the need for proper vehicle support and torque specifications.

How long do rubber suspension buffers typically last?

The lifespan of rubber buffers can vary significantly depending on driving conditions, climate, and vehicle usage. Regular inspections are advised, and replacement should occur if signs of cracking, tearing, or severe deterioration are present.

Why is it important for vehicles with a sports package?

Sports packages often feature stiffer suspensions with less travel. This buffer is specifically engineered to complement these characteristics, providing the necessary progressive resistance to prevent harsh bottoming out while preserving the intended sporty handling.

What are the dimensions of this rubber buffer?

Each buffer measures 66mm in length and 87mm in height.

Troubleshooting

Squeaking or knocking noise from the rear suspension

Inspect both rubber buffers for signs of damage, incorrect installation, or loose mounting. Ensure all bolts are torqued to specification. Lubrication is not typically required for rubber buffers, but check surrounding components.

Rear suspension feels excessively harsh or 'bottoms out' easily

Check the rubber buffers for signs of severe compression, cracking, or complete deterioration. A worn-out buffer can no longer effectively absorb impacts, leading to a harsh ride. Replace both buffers if significant wear is found.

New rubber buffer appears to wear out quickly

Verify that the correct buffer for a sports package vehicle was installed. Incorrect stiffness or length can cause premature wear. Also, check for underlying issues with other suspension components (shocks, springs) that might be overstressing the buffer. Ensure vehicle is not consistently overloaded.

Difficulty installing the new buffer

Ensure the correct part is being used for your specific Jeep model and sports package. A rubber mallet or specialized press tools might be needed for snug fitment. If it's a bolt-on type, ensure proper alignment of holes.

Pros and Cons

Pros

  • Designed specifically for compatible Jeep models, ensuring perfect fit.
  • Optimized for sports package vehicles, maintaining intended suspension performance.
  • Helps protect suspension components from bottoming out and impacts.
  • Lightweight design contributes minimally to unsprung mass.
  • Direct replacement for original parts (referencing OEM numbers).

Cons

  • Only compatible with specific Jeep Grand Cherokee III and Commander models with sports packages.
  • Requires purchasing two units for a complete vehicle installation.
  • Installation may require specialized tools or professional assistance.
  • Info needed: May degrade over time due to environmental factors, requiring periodic inspection.

Setup, Compatibility & Care

Setup Instructions

  1. Safety First: Ensure the vehicle is safely supported on jack stands or a lift, with wheels removed. Always wear appropriate personal protective equipment.
  2. Access Rear Suspension: Locate the existing rubber buffers on the rear axle suspension. These are typically positioned above the axle, near the springs or shock mounts.
  3. Removal: Carefully remove the old buffer. This may involve unbolting a mounting bracket or simply prying the old buffer out if it's pressed in. Note how it was oriented.
  4. Installation: Position the new Febi Rubber Buffer (TED47889) in the correct orientation. It should fit snugly. If a mounting bolt or bracket was removed, reinstall it and tighten to the manufacturer's specified torque.
  5. Repeat: As two units are required per vehicle, repeat the process for the other side of the rear axle.
  6. Final Check: Once both buffers are installed, lower the vehicle and perform a visual inspection to ensure everything is secure. Professional installation is highly recommended due to the safety-critical nature of suspension components.

Compatibility

  • Vehicle Models: Specifically designed for Jeep Grand Cherokee III (WH, WK) and Jeep Commander (XK, XH).
  • Axle Position: Intended for installation on the rear axle.
  • Package Type: Only for vehicles equipped with a sports package.
  • Part Numbers: Cross-references with OEM part numbers `05290639AB`, `52089343AA`, and `5290639AB`. Always verify compatibility with your vehicle's VIN or existing part number before purchase.

Care and Maintenance

  • Regular Inspection: Periodically inspect the rubber buffers during routine vehicle maintenance (e.g., tire rotations, oil changes). Look for signs of cracking, tearing, excessive compression, or deterioration of the rubber material.
  • Prompt Replacement: If any damage or significant wear is observed, replace the buffers promptly. Degraded buffers can lead to harsher ride quality and potential damage to other suspension components.
  • Cleaning: Keep the area around the buffers free from excessive dirt and debris, which can contribute to premature wear. A simple rinse with water during car washing is usually sufficient.

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