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Honda S2000 VTEC Solenoid Upper Replacement

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The VTEC solenoid controls oil pressure to the camshaft's high-lift lobes, allowing Honda's VTEC system to operate correctly. When the upper VTEC solenoid gasket fails, it can cause oil leaks, error codes, and poor engine performance.

This guide will show you how to replace the upper VTEC solenoid on a Honda S2000 using basic hand tools. The process is straightforward and takes only a few minutes. Follow each step carefully to avoid damaging the electrical connector or over tightening the mounting bolts.

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  1. Honda S2000 VTEC Solenoid Upper Replacement, VTEC Solenoid Upper: crwdns2935265:01crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Honda S2000 VTEC Solenoid Upper Replacement, VTEC Solenoid Upper: crwdns2935265:01crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Open the hood and locate the VTEC on the front left side of the engine, near the valve cover.

    • Clean the surrounding area to keep dirt out of the engine during removal.

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  2. Honda S2000 VTEC Solenoid Upper Replacement: crwdns2935265:02crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Honda S2000 VTEC Solenoid Upper Replacement: crwdns2935265:02crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Honda S2000 VTEC Solenoid Upper Replacement: crwdns2935265:02crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • Locate and remove the three 10 mm bolts securing the upper solenoid.

    • Keep the bolts organized and be careful not to drop the wire attached by one of them.

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  3. Honda S2000 VTEC Solenoid Upper Replacement: crwdns2935265:03crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Honda S2000 VTEC Solenoid Upper Replacement: crwdns2935265:03crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Honda S2000 VTEC Solenoid Upper Replacement: crwdns2935265:03crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • Lift the electrical connector upward to remove it from the cable holder.

    • Disconnect the two wiring plugs and move the cables aside

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  4. Honda S2000 VTEC Solenoid Upper Replacement: crwdns2935265:04crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Honda S2000 VTEC Solenoid Upper Replacement: crwdns2935265:04crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Honda S2000 VTEC Solenoid Upper Replacement: crwdns2935265:04crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • Remove the metal cable holder and set it aside.

    • Pull the upper VTEC solenoid straight off. Some oil may drip, this is normal but have a rag ready to catch it.

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  5. Honda S2000 VTEC Solenoid Upper Replacement: crwdns2935265:05crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Honda S2000 VTEC Solenoid Upper Replacement: crwdns2935265:05crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Honda S2000 VTEC Solenoid Upper Replacement: crwdns2935265:05crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • Prepare the replacement solenoid.

    • Insert the gasket (new or used if still in good condition) into its slot.

    • A gasket is a flexible material that is used to make a seal between two connections. This prevents leaks between the two surfaces.

    • Lightly coat it with fresh oil to ensure a proper seal.

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  6. Honda S2000 VTEC Solenoid Upper Replacement: crwdns2935265:06crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Honda S2000 VTEC Solenoid Upper Replacement: crwdns2935265:06crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Place the new upper solenoid onto the housing and align it with the bolt holes.

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  7. Honda S2000 VTEC Solenoid Upper Replacement: crwdns2935265:07crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Honda S2000 VTEC Solenoid Upper Replacement: crwdns2935265:07crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Honda S2000 VTEC Solenoid Upper Replacement: crwdns2935265:07crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • Reinstall the metal cable holder

    • Hand tighten all three bolts.

    • Make sure the holder sits straight

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  8. Honda S2000 VTEC Solenoid Upper Replacement: crwdns2935265:08crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Honda S2000 VTEC Solenoid Upper Replacement: crwdns2935265:08crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Honda S2000 VTEC Solenoid Upper Replacement: crwdns2935265:08crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • Tighten all 3 bolts with a ratchet carefully.

    • Do not overtighten as you can strip the bolts.

    • Reconnect the electrical plug and clip the cable back onto the holder.

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  9. Honda S2000 VTEC Solenoid Upper Replacement: crwdns2935265:09crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Honda S2000 VTEC Solenoid Upper Replacement: crwdns2935265:09crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Wipe down the edges where the two parts meet to pick up any oil that may have spilled.

    • Keep an eye on the solenoid for any oil leaking after cleaning.

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Congratulations! You now have a properly working VTEC solenoid. Be sure to keep an eye on the solenoid in case of any oil leaks.

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