2000-2009 Honda S2000 Problems: 10 Known Issues
2000-2009 model years · 890+ owner reports · Updated November 2026
According to Au7o's analysis of 890+ owner reports, the 2000-2009 Honda S2000 has 10 documented known issues, with 3 rated critical. The most serious are Rear Differential Noise and Limited Slip Failure ($150-$3,500 repair), Valve Retainer Failure at High RPM (AP1) ($1,000-$3,500 repair) and Banjo Bolt Oil Jet Insufficiency - Cylinder 4 Oil Starvation ($50-$5,000 repair). The most commonly reported issue is Second Gear Synchronizer Grinding and Pop-Out with 140 owner reports. Across all issues with published estimates, repair costs range from $30 to $5,000. DIY maintenance guides at au7o.io.
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All 10 Known Issues
NHTSA Recalls2 recalls
SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM
American Honda Motor Co., Inc. (Honda) is recalling certain model year 2006 Acura RSX vehicles manufactured January 18, 2006, through August 12, 2006; and model year 2006-2007 Honda S2000 vehicles manufactured January 19, 2006, through November 13, 2006. The brake booster may be unable to maintain a vacuum when the brake pedal is depressed, decreasing brake assist.
EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
ON CERTAIN PASSENGER VEHICLES AND MOTORCYCLES, THE OWNER'S MANUALS CONTAIN INCORRECT CONTACT INFORMATION FOR THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S (NHTSA) VEHICLE SAFETY HOTLINE.
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Frequently Asked Questions
What are the most common Honda S2000 problems?
According to Au7o's analysis of 890+ owner reports, the 2000-2009 Honda S2000 has 10 documented issues. The most frequently reported are: Rear Differential Noise and Limited Slip Failure, Valve Retainer Failure at High RPM (AP1), Banjo Bolt Oil Jet Insufficiency - Cylinder 4 Oil Starvation. Of these, 3 are rated critical and should be addressed promptly.
Is the Honda S2000 reliable?
The 2000-2009 Honda S2000 has 10 known issues documented across 890+ owner reports. 3 issues are rated critical: Rear Differential Noise and Limited Slip Failure and Valve Retainer Failure at High RPM (AP1) and Banjo Bolt Oil Jet Insufficiency - Cylinder 4 Oil Starvation. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
How much does it cost to fix common Honda S2000 problems?
Repair costs for known Honda S2000 issues range from $0 to $5,000, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Rear Differential Noise and Limited Slip Failure, typically costs $150-$3,500 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What year Honda S2000 is the most reliable?
Reliability varies across model years of the Honda S2000. Based on documented issues, problems are most commonly reported in earlier model years. Au7o recommends checking the specific known issues for your target year before purchasing, and having a pre-purchase inspection performed by a qualified mechanic. Our known issues database covers the 2000-2009 Honda S2000 with 10 documented issues documented across 890+ owner reports.
What is the 2000-2009 Honda S2000 Rear Differential Noise and Limited Slip Failure?
S2000 uses Torsen limited-slip differential prone to noise and potential internal failure. CRITICAL: Some dealers mistakenly filled S2000 diffs with VTM-4 fluid (CR-V/Pilot spec), causing diffs to fail within hours to weeks. Honda has specific S2000 differential fluid requirement… Repairs typically run $150-$3,500. Severity: high.
What is the 2000-2003 Honda S2000 Valve Retainer Failure at High RPM (AP1)?
Stock AP1 valve retainers can crack or split during a mechanical over-rev beyond the 9,000 RPM redline. Over-revving (a missed downshift / money shift) causes valve float and keepers to fail, leading to catastrophic head damage. Owner reports put the AP1 retainer crack threshold… Repairs typically run $1,000-$3,500. Severity: high.
What is the 2000-2002 Honda S2000 Banjo Bolt Oil Jet Insufficiency - Cylinder 4 Oil Starvation?
Early AP1 banjo bolts (before engine #F20C-1025386, the commonly cited cutover; some early 2002 cars still had them) have only 2 oil delivery holes instead of 4, restricting oil flow to cylinder walls. Cylinder 4 is most prone to oil starvation and scuffing, particularly under su… Repairs typically run $50-$5,000. Severity: high.
What is the 2000-2009 Honda S2000 Second Gear Synchronizer Grinding and Pop-Out?
S2000 transmission has weak synchronizers, especially 2nd gear. AP1 (2000-2003): Grinding on downshift. AP2 (2004-2005): transmission can pop out of 2nd gear on high-RPM deceleration, or out of 1st gear while engaging the clutch (all 2004 and early 2005 cars). Aggressive downshif… Repairs typically run $50-$3,000. Severity: medium.
What is the 2000-2009 Honda S2000 Compliance Bushing Failure (Front Lower Control Arm)?
Front lower control arm has compliant (soft) rubber bushings that split and tear from road vibration and hard cornering. Typically shows wear at 80,000-100,000+ miles. Honda does not sell bushings separately - only full control arms (~$350+ each). Causes steering to feel loose or… Repairs typically run $400-$800. Severity: medium.
What is the 2000-2009 Honda S2000 CV Joint and Boot Wear?
CV joints wear and boots tear at 80,000+ miles, allowing grease to escape and dirt to enter. Repetitive clicking sounds indicate joint damage. Left CV joint typically fails first. CV boots tear from road debris and age. OEM Honda axles cost ~$876 but have strong reputation. Many… Repairs typically run $200-$1,200. Severity: medium.
What is the 2000-2009 Honda S2000 Alternator Failure?
Alternator can fail at 80,000+ miles, preventing battery charging. Internal voltage regulator (AP2 especially) can malfunction. Honda lists different alternator part numbers for 2000-2005 and 2006-2009 cars, so confirm fitment by year. Symptoms include battery discharge, charging… Repairs typically run $200-$700. Severity: medium.
What is the 2000-2001 Honda S2000 Rear Window Clouding, Creasing, and Scratching?
The vinyl rear window on the soft top can become clouded from road grime and oil film, creased into permanent fold lines when the top is folded improperly, or scratched by abrasive cleaning or rubbing. Repairs typically run $0-$250. Severity: low.
What is the 2000-2009 Honda S2000 Window Regulator / Motor Failure?
Automatic window regulators fail at 80,000+ miles, leaving windows stuck. More common in older cars. Can be expensive to repair at dealership ($400-600) but DIY replacement with aftermarket part is achievable (~$200-300). JDM regulator swaps available. Many enthusiasts replace DI… Repairs typically run $200-$600. Severity: low.
What is the 2006-2009 Honda S2000 Dashboard Bubbling and Wrinkling (AP2)?
Dashboard surface can bubble, wrinkle, or blister from heat and UV exposure, particularly in hot climates. Primarily affects 2006+ AP2 models. The dashboard develops bubbles or wrinkles, a sticky texture, or a shiny, warped appearance. Repairs typically run $30-$1,500. Severity: low.
Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.