Introduction
Replacing rear shock absorbers on certain Toyota Prado models may require attention to the top bushings, as the new shocks may not include them. The original bushings are often reusable unless damaged, but some models have oval-shaped bushings, which can create compatibility issues with aftermarket shocks.
Problem
Aftermarket shock absorbers, such as the Bilstein 24-217897, may not include top bushings. Some Prado models, particularly those with air suspension, might use oval-shaped top bushings that differ from standard circular bushings. Reusing old, hardened, or cracked bushings is not recommended. Additionally, failure to properly seat the top mount during installation can lead to airbag dislodgement.
Solution
- Inspect OEM Bushings: Assess the condition of the original bushings. If they are not cracked or split, they may be reusable.
- Identify Bushing Shape: Determine if the OEM bushings are circular or oval. Oval bushings might require replacement or modification.
- Source Replacement Bushings: If replacement is necessary, contact the shock absorber supplier or a parts specialist.
- Drilling (If Necessary): If reusing OEM circular bushes, and they do not fit the new shock absorber, carefully drill out the OEM bush.
- Airbag Top Mount Installation: Ensure the top mount of the airbag is correctly positioned and secured with retaining clips before lowering the vehicle. Neglecting this can cause the airbag to dislodge during operation.
Relevant Parts
- Bilstein Shocks: 24-217897 (may not include top bushes)
- Nolathane Bushings: 43113 (example of aftermarket option)
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