VVT Solenoids

Variable valve timing solenoids can fail due to low engine oil levels and/or irregularly changed engine oil or filters. For a high-quality replacement, NAPA® Echlin® VVT solenoids feature hard anodized components to ensure proper performance and long service life.

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NAPA® Echlin® VVT solenoid features an improved screen stamp plus welded reinforcement.


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    High-quality precision spring

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    Stainless-steel check valve

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    Brass winding

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    Overmolding provides additional protection

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    High-temp plastic

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    Coated terminals

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    OE-match harness connector

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    Anti-rust coating

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    Screen filters reinforced via welding process

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    OE-match valve housing

Solutions for High-Failure Applications

Every variable valve timing system is slightly different, but there are three general rules to follow to ensure proper performance. First, regularly service the engine oil and filter. Second, use the manufacturer’s required engine oil type. Lastly, service the engine oil and filter after you install new solenoids or sprockets.

A few specific applications that are known to have high failure rates for VVT solenoids include the GM 2.4L and Toyota 3.0L and 3.3L. As you can see below, NAPA® Echlin® has these applications covered.

Rattling Noises and Unstable Idle on GM 2.4L

Rattling Noises and Unstable Idle on GM 2.4L

Years: 2009-2010
Make: GM
Engine: 2.4L
Common DTCs: P0011, P0014, P0016, and P0017
Symptoms: Rattling noise at startup, unstable idle
Solution: Change the engine oil and filter
during maintenance intervals and following
solenoid replacement
Parts for the job: VVS1754 and VVS1755

Rough Idle on Toyota 3.0L and 3.3L

Years: 2001-2007
Make: Toyota
Engines: 3.0L and 3.3L
Common DTC: P1354
Symptoms: Rough idle
Solution: Maintain regular engine oil change
intervals. When replacing the solenoids, replace the
engine oil and filter.
Parts for the job: VVS1712 and VVS1713