Most passenger cars require about 2 to 3 hours to replace a single front strut, and about 3 to 6 hours to replace both front struts on the same axle. Times vary by vehicle, strut type, and whether an alignment is needed after the work.
Strut replacement is a common but variable repair. The official time can depend on car design (front MacPherson struts vs. rear multi-link setups), whether the struts are sold as complete assemblies or as separate spring and shock components, and how accessible the fasteners are. Additional tasks such as wheel alignment, replacing related components (top mounts, bearing plates, or springs), and dealing with rusted hardware can extend the duration beyond typical estimates.
Factors that influence labor hours
Below is a breakdown of the main elements that can affect how long a strut replacement takes in a typical shop setting.
- Vehicle design and strut configuration (front vs. rear, single strut vs. multiple components, assembly vs. separate spring/shock).
- Accessibility and rust or corrosion of fasteners, experiments with wiring harnesses, and sensor connections (ABS, wheel speed sensors).
- Whether tools like a spring compressor or strut nut socket are required and available on site.
- Need for additional work such as bearing plate/top mounts or control arm work.
- Whether an alignment is recommended or required after replacement.
Understanding these factors helps explain why two identical-sounding jobs can take different amounts of time at different shops or on different vehicles.
Typical time ranges by scenario
Before this list, note that these numbers are general estimates used by many automotive shops. Real-world times can vary based on the specifics of the vehicle and the shop's processes.
- Front strut replacement (one strut): 2.0–3.0 hours
- Front strut replacement (both sides): 3.0–6.0 hours
- Rear strut replacement (one strut): 1.5–3.0 hours
- Rear strut replacement (both sides): 3.0–6.0 hours
- Strut assembly replacement (complete unit including springs, when applicable): typically within the same ranges, but can be faster on some platforms due to easier access
- Complex or high-labor vehicles (luxury brands, SUVs, or cars with heavy corrosion): 4.0–8.0 hours per axle
- Post-repair alignment (recommended after most strut replacements): 0.5–1.5 hours
Concluding this section, most straightforward front or rear strut replacements fall within a two- to six-hour window per axle, depending on the factors above. Alignment often adds additional time, and highly corroded or complex vehicles can push the clock higher.
What to expect during the service
During the process, a technician will typically lift the vehicle, remove the wheel, disconnect and unbolt the old strut assembly, compress and remove the coil spring if the strut is not a complete assembly, and install the new unit. Modern cars may require sensor checks or re-torquing after driving. After replacement, most shops will test drive or inspect the vehicle and perform an alignment if needed to ensure proper handling and tire wear.
Summary
In short, expect roughly 2–3 hours to replace a single front strut and 3–6 hours to replace both front struts on one axle. Rear struts follow similar per-strut ranges, with total time often depending on access, corrosion, and whether the job includes an alignment. For an accurate estimate, ask your shop to provide a tailored time based on your vehicle make, model, and current condition.