Nissan Serena Rear Shock Absorber RH/LH 348077
Nissan Serena Rear Shock Absorber RH/LH 348077 Original price was: KShs7,000.Current price is: KShs6,500.
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Rear Shock Absorber Nissan Teana J32
Rear Shock Absorber Nissan Teana J32 Original price was: KShs6,500.Current price is: KShs6,000.

Toyota isis Rear Shock Absorber Assy 348075

Toyota isis Rear Shock Absorber Assy 348075

Part No: 348075

Brand: KYB

Fits: Toyota isis

Fitting Position: Rear Axle

Price per each

Original price was: KShs7,000.Current price is: KShs6,500.

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Description

Get Toyota isis Rear Shock Absorber Assy 348075  in Kenya

The rear shock absorber assembly is a critical suspension component that ensures a smooth and controlled ride by absorbing road impacts, reducing vibrations, and maintaining tire contact with the road. Shock absorbers play a vital role in vehicle stability, handling, and passenger comfort.

A well-functioning rear shock absorber assembly enhances safety, prevents premature tire wear, and protects other suspension components from excessive stress. In this comprehensive guide, we’ll cover how rear shock absorbers work, types, symptoms of failure, replacement, and maintenance tips.


What is a Rear Shock Absorber Assembly? 🛠️

The rear shock absorber assembly consists of:
✔️ Shock Absorber – Controls the up-and-down movement of the suspension.
✔️ Mounting Bushings – Absorbs minor vibrations and prevents metal-to-metal contact.
✔️ Shock Mount – Secures the shock absorber to the vehicle’s chassis and suspension.
✔️ Coil Spring (if part of a strut assembly) – Supports the vehicle’s weight.

The shock absorber itself is a hydraulic or gas-filled cylinder that dampens road shocks, preventing the vehicle from bouncing excessively.


How Does a Rear Shock Absorber Work? ⚙️🔄

Shock absorbers don’t support the vehicle’s weight—instead, they control the motion of the suspension and springs. Here’s how they function:

1️⃣ Compression Phase (Absorbing Impact) 🌍🔧

When the vehicle hits a bump, the rear wheels move upward, compressing the shock absorber. The hydraulic fluid inside the shock flows through small valves, resisting rapid movement and absorbing the impact.

2️⃣ Rebound Phase (Returning to Position) 🔄

Once the wheel moves past the bump, the shock absorber extends, controlling the downward movement and preventing excessive bouncing.

This continuous compression and rebound cycle helps maintain tire contact with the road, ensuring better control and stability.


Types of Rear Shock Absorbers 🚙

There are several types of rear shock absorbers, each designed for different driving conditions and vehicle types:

1️⃣ Twin-Tube Shock Absorbers 🚘

✔️ Most common type.
✔️ Features two chambers (inner & outer) for hydraulic fluid and gas.
✔️ Provides comfortable ride quality.
✔️ Affordable but may fade under extreme conditions.

2️⃣ Gas-Charged Shock Absorbers

✔️ Similar to twin-tube but filled with nitrogen gas.
✔️ Reduces foaming & fade, improving performance.
✔️ Ideal for daily drivers and light off-road use.

3️⃣ Monotube Shock Absorbers 🏁

✔️ High-performance design with a single chamber.
✔️ Offers better heat dissipation & response.
✔️ Used in sports cars & performance vehicles.

4️⃣ Coilover Shock Absorbers 🔄

✔️ Combines shock absorber & coil spring.
✔️ Allows ride height & stiffness adjustments.
✔️ Common in racing & off-road vehicles.

5️⃣ Adjustable Shock Absorbers ⚙️

✔️ Allows drivers to adjust damping force.
✔️ Ideal for tuning ride comfort & handling.


Symptoms of a Failing Rear Shock Absorber 🚨⚠️

A worn-out or damaged rear shock absorber can lead to poor handling and reduced safety. Watch out for these warning signs:

1️⃣ Excessive Bouncing 🚗💨

If your car bounces multiple times after hitting a bump, the shocks aren’t absorbing impacts properly.

2️⃣ Nose-Diving During Braking ⚠️

Worn shocks cause the rear end to lift and front end to dip excessively when braking.

3️⃣ Swerving or Instability at High Speeds 🏁

If your car feels unstable or wobbly, especially on highways, it’s a sign the shocks aren’t controlling suspension movement.

4️⃣ Uneven or Premature Tire Wear 🔄

Bad shocks cause irregular tire contact with the road, leading to cupping or bald spots.

5️⃣ Leaking Hydraulic Fluid 💧

If you see oil leaks on the shock absorber body, the internal seals are worn, and the shock is no longer effective.

6️⃣ Clunking or Rattling Noises 🔊

Loose or failing shocks can cause knocking sounds when driving over rough roads.


When to Replace Rear Shock Absorbers? 🔄🛠️

🔹 Every 80,000 – 100,000 km (50,000 – 60,000 miles) for regular use.
🔹 Earlier if driving on rough roads, carrying heavy loads, or towing.
🔹 If you notice any of the above symptoms.


How to Replace Rear Shock Absorbers? 🔧

Tools Needed:

✅ Socket Wrench Set 🔩
✅ Jack & Jack Stands 🔺
✅ Penetrating Oil (for rusty bolts) 🛠️
✅ Torque Wrench ⚙️
✅ New Rear Shock Absorbers 🆕

Step-by-Step Guide:

1️⃣ Park on a Flat Surface & Secure the Vehicle 🅿️
Engage the parking brake and use wheel chocks.

2️⃣ Lift the Rear End 🔧
Use a jack to raise the vehicle and secure it with jack stands.

3️⃣ Locate & Remove the Old Shocks 🚗
✔️ Spray penetrating oil on bolts if they’re rusted.
✔️ Use a wrench to loosen & remove the upper and lower bolts.

4️⃣ Install the New Shock Absorbers 🆕
✔️ Align the new shock in place.
✔️ Tighten bolts to manufacturer torque specs.

5️⃣ Lower the Vehicle & Test Drive 🚙
Check for smooth ride quality & stability.


How to Maintain Rear Shock Absorbers? 🏁

✔️ Inspect Shocks Every 20,000 km – Look for leaks & wear.
✔️ Check Tire Wear Patterns – Uneven wear = possible shock issues.
✔️ Avoid Overloading Your Vehicle – Excessive weight strains the suspension.
✔️ Drive Carefully on Rough Roads – High impact accelerates wear.
✔️ Replace Shocks in Pairs – Ensures balanced handling & stability.


Conclusion: Why Rear Shock Absorbers Matter 🚗💨

The rear shock absorber assembly is essential for smooth handling, safety, and ride comfort. Worn-out shocks can cause bouncing, instability, and poor braking performance. Regular inspection and timely replacement improve handling, extend tire life, and enhance overall driving experience.

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