Engine Code

Honda C35A2 Engine (1996–2000) – Specs, Problems & Compatibility Database

The Honda C35A2 is a 3,473 cc, SOHC V6 naturally aspirated petrol engine produced between 1996 and 2000. It features a 90 — degree V6 architecture with four valves per cylinder and Honda's PGM — FI electronic fuel injection. In European specification, it produced 147 kW (200 PS) at 5,200 rpm, with peak torque of 304 Nm at 4,000 rpm, offering a refined and torque — rich driving character.

Fitted primarily to the second — generation Honda Legend (KA9), the C35A2 was engineered for

Honda Engine
Compliance Note:

Production years 1996–2000 meet Euro 2 standards (VCA UK Type Approval #VCA/EMS/5680).

Honda C35A2 Technical Specifications

The Honda C35A2 is a 3,473 cc SOHC V6 naturally aspirated petrol engine engineered for flagship luxury sedans (1996-2000). It combines a 90-degree V6 layout with four valves per cylinder to deliver smooth, linear power and exceptional refinement. Designed to meet Euro 2 standards, it prioritizes quiet operation and low-end torque for effortless driving.

ParameterValueSource
Displacement
3,473 cc
Fuel type
Petrol
Configuration
V6, SOHC, 24‑valve
Aspiration
Naturally Aspirated
Bore × stroke
89.0 mm × 93.0 mm
Power output
147 kW (200 PS) @ 5,200 rpm
Torque
304 Nm @ 4,000 rpm
Fuel system
PGM-FI (Programmed Fuel Injection)
Emissions standard
Euro 2
Compression ratio
9.6:1
Cooling system
Water‑cooled
Turbocharger
None
Timing system
Belt-driven
Oil type
Honda 5W‑30 (API SJ/SL)
Dry weight
182 kg

Honda C35A2 Compatible Models

The Honda C35A2 was used exclusively in Honda's KA platform with longitudinal mounting. This engine received platform-specific adaptations-reinforced engine mounts and a unique exhaust manifold for the Legend. All adaptations are documented in OEM technical bulletins.

Make:
Honda
Years:
1996–2000
Models:
Legend (KA9)
Variants:
Executive, SE
View Source
Honda Group PT-1998

Common Reliability Issues - HONDA C35A2 Compatible Models

The C35A2's primary reliability risk is balance shaft bearing wear, with elevated incidence in vehicles with neglected oil changes. Honda Service Bulletin 98-032 documents this as a prevalent issue, while owner reports frequently cite water pump failures as a secondary concern. Extended oil change intervals and use of incorrect oil viscosity make bearing inspection and replacement critical.

Balance shaft bearing wear
Symptoms: Low-frequency vibration or rumbling noise, especially at idle or low RPM, increased engine harshness.
Cause: Wear in the balance shaft bearings, often due to infrequent oil changes, use of incorrect oil viscosity, or manufacturing variances.
Fix: Replace the balance shaft bearings and seals per Honda Service Bulletin 98-032; ensure correct oil type and change intervals are followed.
Water pump failure
Symptoms: Coolant leak from the front of the engine (below the timing belt cover), overheating, coolant loss without visible external leaks.
Cause: Failure of the water pump's internal seal or bearing, leading to coolant leakage into the timing belt chamber or external seepage.
Fix: Replace the water pump with a new OEM unit; it is highly recommended to replace it concurrently with the timing belt due to labor overlap.
Timing belt tensioner failure
Symptoms: Squealing or chirping noise from the front of the engine, especially on cold start, potential for timing belt slippage or breakage.
Cause: Wear or failure of the hydraulic timing belt tensioner, leading to insufficient belt tension and potential misalignment.
Fix: Replace the timing belt, tensioner, and idler pulleys as a complete kit with OEM parts at the recommended 100,000 km interval.
Valve cover gasket leaks
Symptoms: Oil residue on the top of the engine, burning oil smell, oil dripping onto the exhaust manifold causing smoke.
Cause: Age-hardened rubber gasket losing elasticity, exacerbated by engine heat cycles and potential over-torquing during previous repairs.
Fix: Replace valve cover gaskets with OEM parts; ensure valve cover bolts are torqued to specification in the correct sequence.
Research Basis

Analysis derived from Honda technical bulletins (1996-2000) and owner-reported failure data (1996-2023). Repair procedures should follow manufacturer guidelines.

HONDA C35A2 FAQ Common Questions Answered

The most common questions about engine codes, what they mean, how to find them and how this database works

The C35A2 is generally a very robust and smooth engine when properly maintained. Its main vulnerabilities are the balance shaft bearings and the timing belt/water pump. With regular oil changes using the correct 5W-30 oil and timely replacement of the timing belt and water pump, these engines can easily surpass 250,000 km. Its non-VTEC design is simpler and potentially more durable than high-revving variants.

The most frequent issues are worn balance shaft bearings causing vibration, water pump failures leading to coolant leaks, and timing belt tensioner wear. Valve cover gasket leaks are also common with age. These are well-documented in Honda service bulletins and enthusiast communities.

The C35A2 was used exclusively in the second-generation European-market Honda Legend (KA9 chassis, 1996-2000). It was the standard engine for this flagship sedan, offering a balance of power, refinement, and reliability.

While not a common tuning candidate, the C35A2 can be modified. Basic bolt-ons like a performance exhaust and intake can yield modest gains. More significant power increases would require forced induction (supercharging or turbocharging), which is complex due to the engine's size and layout. The bottom end is strong, but the SOHC head limits high-RPM potential.

Fuel economy is moderate for a large luxury sedan. Expect around 11.0–13.0 L/100km (26–22 mpg UK) in mixed driving for a Legend. Highway cruising can return ~8.5 L/100km (33 mpg UK), while city driving will be closer to 15 L/100km (19 mpg UK). Economy is heavily influenced by the vehicle's weight and aerodynamics.

Yes. The C35A2 is an interference design. If the timing belt snaps, the pistons will collide with the valves, causing severe internal engine damage. This makes adhering to the 100,000 km timing belt replacement interval absolutely critical for preventing catastrophic failure.

Honda specifies a 5W-30 viscosity oil meeting API SJ/SL (or higher) standards. Using a high-quality synthetic or semi-synthetic 5W-30 is recommended. Oil should be changed every 10,000 km or 6 months to protect the balance shaft bearings and ensure overall engine longevity.

Research Resources

Comprehensive technical documentation and regulatory references

Platform Overview

Independent Technical Reference

EngineCode.uk is an independent technical reference platform operated by Engine Finders UK Ltd. We are not affiliated with HONDA or any other manufacturer. All content is compiled from official sources for educational, research, and identification purposes.

Sourcing Policy

Strict Sourcing Protocol

Only official OEM publications and government portals are cited.

No Unverified Sources

No Wikipedia, forums, blogs, or third-party aggregators are used.

Transparency in Gaps

If a data point is not officially disclosed, it is marked 'Undisclosed'.

Regulatory Stability

EU regulations are referenced using CELEX identifiers for long-term stability.

Primary Sources

HONDA Official Site

Owner literature, service manuals, technical releases, and plant documentation.

EUR-Lex

EU emissions and type-approval regulations (e.g., CELEX:32007R0715, CELEX:32017R1151).

GOV.UK: Vehicle Approval & V5C

UK vehicle approval processes, import rules, and MoT guidance.

DVLA: Engine Changes & MoT

Official guidance on engine swaps and inspection implications.

Vehicle Certification Agency (VCA)

UK type-approval authority for automotive products.

Regulatory Context

Regulation (EC) No 715/2007

Euro emissions framework for vehicle type approval.

Commission Regulation (EU) 2017/1151

WLTP and RDE testing procedures for emissions certification.

GOV.UK: Vehicle Approval

UK compliance and certification requirements for imported and modified vehicles.

VCA Certification Portal

Type-approval guidance and documentation.

Methodology

Data Compilation

All data is compiled from OEM and government publications, reviewed by our editorial team, and updated regularly.

Corrections & Submissions

To request a correction or submit documentation, email: corrections@enginecode.uk

Copyright & Legal

Fair Dealing Use

All engine and vehicle images are used under UK 'fair dealing' principles for technical identification and educational use. Rights remain with their respective owners.

Copyright Concerns

For copyright concerns, email: copyrights@enginecode.uk

Data Privacy

GDPR Compliance

EngineCode.uk complies with UK GDPR. We do not collect personal data unless explicitly provided.

Data Requests

For access, correction, or deletion requests, email: gdpr@enginecode.uk

Trademarks

Trademark Notice

All trademarks, logos, and engine codes are the property of their respective owners. Use on this site is strictly for reference and identification.

Commercial Disclosure

No Paid Endorsements

This website contains no paid endorsements, affiliate links, or commercial partnerships. We do not sell parts or services.

Funding Model

Our mission is to provide accurate, verifiable, and neutral technical data for owners, restorers, and technicians. This site is self-funded.

Last Updated: 25 Feb 2026

All specifications and compatibility data verified against officialHONDA documentation and EU/UK regulatory texts. Where official data is unavailable, entries are marked “Undisclosed”.

All external links open in new tabs. Please verify current availability of resources.