Shock Absorber - Monroe - 23456

This is a single, rear shock absorber manufactured by Monroe, part number 23456. It is a gas press...

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AutodocMONROE Shock absorber OPEL,VAUXHALL 23456 90445381,436037,436038 Shocks,Shock absorbers,Suspension shocks 436039,436040,436041,436068,436069,436070
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eBayShock absorber Bottom eye 23456 MONROE for OPEL CORSA A TR CORSA A Hatchback
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Product Information

Full details

This Monroe rear shock absorber (part number 23456) is designed for owners of select Opel and Vauxhall models (Corsa, Tigra, Vita 1985-1998) seeking to restore reliable rear suspension performance. Its key benefit is providing a stable and controlled ride by effectively damping suspension movements. A potential caveat is the need for professional installation due to the nature of suspension components.

All features

Model Part Number90445381
BrandMonroe

Extended Product Information

FAQs

How do I know if my shock absorbers need replacing?

Signs include excessive bouncing, nose-diving during braking, excessive body roll, visible fluid leaks on the shock body, or uneven tire wear.

Do I need to buy these in pairs?

Yes, it is highly recommended to replace shock absorbers in pairs on the same axle to ensure balanced handling and prevent uneven suspension wear.

What is the difference between a gas pressure and an oil shock absorber?

Gas pressure shock absorbers use pressurized nitrogen gas to prevent foaming of the hydraulic fluid, leading to more consistent damping performance, especially under heavy use.

What is a twin-tube shock absorber?

A twin-tube shock absorber has two tubes: an inner working cylinder and an outer reservoir. This design is robust and commonly used for everyday driving applications.

Can I install this shock absorber myself?

Installation requires specific tools and automotive knowledge. Due to safety considerations and the complexity of suspension systems, professional installation by a qualified mechanic is recommended.

What specific vehicle models is this shock absorber compatible with?

This shock absorber is designed for the rear axle of Opel Corsa, Tigra, and Vauxhall Vita models built between 1985 and 1998.

What are the extended and compressed lengths?

The extended length is 342mm and the compressed length is 440mm.

Troubleshooting

Vehicle bounces excessively after hitting bumps

The shock absorber may be worn out or faulty. Inspect for leaks and consider replacement, preferably in pairs.

Uneven tire wear

Worn shock absorbers can contribute to improper tire contact with the road. Check shock absorber condition and alignment.

Vehicle leans excessively during cornering

This can indicate a loss of damping force. Inspect shock absorbers for leaks and proper function.

Noise from the rear suspension (clunking or squeaking)

While not always the shock absorber itself, check mounting points, bushings, and other suspension components for wear or damage.

Pros and Cons

Pros

  • Restores ride comfort and handling
  • Durable twin-tube design
  • Engineered for specific Opel/Vauxhall models
  • Gas pressure for consistent performance

Cons

  • Requires professional installation
  • Only compatible with specific vehicle years/models
  • Single unit - may require purchase of a pair for balanced performance

Setup, Compatibility & Care

Compatibility: This shock absorber is specifically designed for the rear axle of Opel Corsa, Tigra, and Vauxhall Vita models manufactured between 1985 and 1998. Verify your vehicle's year and model, and cross-reference part numbers (e.g., 90445381, 436037, 436038) before purchase.

Setup: Installation of shock absorbers requires specialized tools and knowledge of vehicle suspension systems. It is strongly recommended to have this component installed by a qualified mechanic. Ensure the vehicle is properly supported and safety procedures are followed. Always replace shock absorbers in pairs on the same axle for balanced performance and handling.

Care: Shock absorbers are sealed units and typically do not require user maintenance. However, regularly inspect the surrounding suspension components for leaks, damage, or wear. Keep the exterior of the shock absorber clean from excessive dirt and road salt to prevent corrosion.

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