Nissan NI-53357 LiB Leak Decay Tool, 10MM, 1PSI

Nissan NI53357 LiB Leak Decay Tool, 10mm, 1 PSI (OEM HighVoltage Battery Leak Test Tool)

The Nissan NI53357 LiB Leak Decay Tool is a genuine OEM diagnostic tool engineered for performing precise leakdecay testing on Nissan lithiumion battery (LiB) enclosures. Highvoltage battery housings must maintain strict sealing integrity to protect internal cells from moisture, dust, and pressure imbalance. The NI53357 is designed to introduce and regulate a controlled 1 PSI test pressure through a 10mm interface, allowing technicians to verify enclosure tightness according to Nissans highvoltage safety standards.

This tool is referenced throughout Nissan EV and hybrid service manuals for batterypack diagnostics, enclosure resealing, and postrepair verification. It ensures accurate pressure decay measurement, helping technicians identify leaks that could compromise battery performance, safety, or longevity.

Key Features

• OEMApproved LiB Leak Test Tool Designed specifically for Nissan lithiumion battery enclosures requiring precise pressuredecay testing.
• 1 PSI Controlled Test Pressure Applies the exact pressure specified by Nissan to prevent damage while ensuring accurate leak detection.
• 10mm Test Port Interface Fits the designated batterypack test port for secure, leakfree connection.
• Ensures Battery Enclosure Integrity Helps detect leaks that could allow moisture intrusion, pressure imbalance, or contamination.
• Essential for EV & Hybrid Service Required after batterypack resealing, enclosure repairs, or highvoltage system diagnostics.
• Durable, ProfessionalGrade Construction Built for repeated use in dealership EV service bays and highvoltage repair environments.

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