COMP-001 — Jatco CVT8 (RE0F10D / JF016E) Steel Push-Belt & Variator Pulleys
Root Failure Mode: Pressure control solenoid bore wear drops clamping pressure on variator cones, causing steel push-belt slip (judder P17F0) and metallic scoring of the pulleys.
Critical Mileage Window: 55,000 mi – 95,000 mi
- Tier 1 (Genuine OEM Dealer): Genuine Nissan NS-3 CVT fluid + external cartridge filter (31726-28X0A) and pan strainer replacement every 30,000 miles.
- Tier 2 (Bosch / Mahle / Denso / BorgWarner / TRW (OE)): Idemitsu Type N3 OEM-equivalent fluid with Sonnax pressure regulator valve upgrade.
- Tier 3 Risk Alert: CRITICAL RISK: Universal "multi-vehicle ATF/CVT" fluids or driving with overheated NS-3 fluid above 210°F.
Lot Inspection Protocol: Read TCM live data for CVT fluid deterioration counter and stored judder codes P17F0/P17F1. Test hot highway acceleration under load at 190°F+ CVT fluid temp.