Soft rear subframe bushings: clunks and wheel hop
Added · Updated
What causes "Soft rear subframe bushings: clunks and wheel hop" on the Nissan 240SX (S13, 1989-1994), and how is it fixed?
The rubber subframe bushings are compliant and the subframe can move around 10 mm under high lateral load; worn bushings let it hit other parts. Fix: Replace with polyurethane or solid bushings, accepting more noise.
Symptoms
Clunking from the rear over bumps or under load, wheel hop on hard launches.
Cause
The rubber subframe bushings are compliant and the subframe can move around 10 mm under high lateral load; worn bushings let it hit other parts.
Fix (summary)
Replace with polyurethane or solid bushings, accepting more noise.
Related parts
Related build entries
Other S13 problems
- Recall: front seat belt buckle release buttons can break (1989-1991)
- KA24DE timing chain rattle from worn upper chain guide (1991-1994)
- Rust: frame rails, strut towers, spare well and under the hatch spoiler
- Heads-up display (HUD) usually no longer works
- Pop-up headlight motors fail or stick
- Sun-cracked dash and leaking sunroof or hatch seals
More for this car
- All Nissan 240SX (S13, 1989-1994) fitment answers · S13 common problems
- Newsletter archive: past issues with every new and corrected entry
Sources
- S-Chassis rear subframe comparison — GK Tech (suspension parts maker; Dec 11, 2022) (vendor article; read 2026-10-26; full page read)Subframe can move almost 10 mm; worn bushings clunk.
- S13/S14 Silvia common problems: complete buyer guide — Stance Auto Magazine (UK) (editorial; read 2026-10-26; full page read)
Summaries are in our own words. Not repair instructions; consult the factory service manual.
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