NTB17-082b
Service Bulletin Details
Public Details for: NTB17-082b
Nissan; dtc P0456 caused by evap leak at vent control valve o-ring this bulletin does not apply to leaf vehicles and titan xd vehicles with v8 diesel engine. This bulletin has been amended. See amendment history on the last page. Pl
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Classification: Reference: EC16-034b Date: NTB17-082b January 29, 2019 NISSAN; DTC P0456 CAUSED BY EVAP LEAK AT VENT CONTROL VALVE O-RING This bulletin has been amended. See Amendment History on the last page. Please discard previous versions of this bulletin. APPLIED VEHICLES: All model year 2008 and newer Nissan vehicles except LEAF and Titan XD with V8 diesel engine IF YOU CONFIRM The MIL is ON in an APPLIED VEHICLE with DTC P0456 (EVAP VERY SML LEAK) AND DTC P0456 is not caused by a loose fuel fill cap (refer to NTB13-097). An EVAP leak has been detected where the vent control valve mounts to the canister. The vent control valve O-ring seal is determined to be the cause. ACTION 1. DO NOT REPLACE the vent control valve. 2. Replace the vent control valve O-ring seal (O-ring). Refer to SERVICE PROCEDURE, on the next page. IMPORTANT: The purpose of ACTION, above, is to give you a quick idea of the work you will be performing. You MUST closely follow the entire SERVICE PROCEDURE as it contains information that is essential to successfully completing this repair. Nissan Bulletins are intended for use by qualified technicians, not 'do-it-yourselfers'. Qualified technicians are properly trained individuals who have the equipment, tools, safety instruction, and know-how to do a job properly and safely. NOTE: If you believe that a described condition may apply to a particular vehicle, DO NOT assume that it does. See your Nissan dealer to determine if this applies to your vehicle. 1/8 SERVICE PROCEDURE 1. Replace the O-ring. To access the O-ring, refer to the appropriate section in the Electronic Service Manual (ESM) of the APPLIED VEHICLE for vent control valve removal and installation. This O-ring is now available separately (see PARTS INFORMATION). When installing, do not add any lubrication to the O-ring. Seat the O-ring all the way down as shown on page 4, Figure 7. Having the O-ring seated all the way down will assure it is not twisted or rolled over. Refer to the pictures on pages 3 and 4 for additional installation information. CAUTION: Make sure the surfaces that the O-ring comes in contact with are clean. When installed, make sure the O-ring is not twisted or rolled over. Verify the repair is complete by checking for leaks with a “smoke” leak detection machine or CONSULT-III plus (C-III plus). If a “smoke” leak detection machine is used, follow the manufacturer’s operating instructions. If C-III plus is used: 1. Confirm the fuel filler cap is secure. Vehicles with a service port see page 5. Vehicles without a service port see page 6. 2. Using Active Test, close the vent control valve. 3. Apply pressure using J-42909 until the bar graph reaches about halfway. 4. Monitor the bar graph for 10 minutes. 2/8 NTB17-082b NG: Dirty O-ring surface Vent control valve Figure 1 Figure 2 OK: Clean O-ring surface Make sure all edges are not broken Figure 3 Figure 4 3/8 NTB17-082b Where vent control valve mounts in canister This surface must be clean all around Canister Make sure all edges are not broken Figure 5 Figure 6 When fully seated (no gaps), O-ring is not twisted or rolled over O-ring No gap all around Figure 7 4/8 NTB17-082b Models with a Service Port (2017 and older) Connect essential tool J42909 to the service port and perform EVAP system leak check. There is no need to perform a separate leak check of the purge control valve. Figure 8 EVAP System Basic Operation Fuel vapor flows from fuel tank into canister (light blue area) Vapor flows from canister through purge control valve (red line) Fresh air flows into canister (green line) 5/8 NTB17-082b Models without a Service Port (2018 and Newer) Disconnect the EVAP line at the purge control valve. Connect essential tool J42909 to the EVAP line and perform EVAP system leak check. Use special tool J-42909 to also perform a separate leak check of the purge control valve Figure 9 EVAP System Basic Operation Fuel vapor flows from fuel tank into canister (light blue area) Vapor flows from canister through purge control valve (red line) Fresh air flows into canister (green line) PARTS INFORMATION DESCRIPTION P/N QUANTITY SEAL O-RING 16618-JF00A 1 6/8 NTB17-082b CLAIMS INFORMATION Submit a Primary Part (PP) line claim using the following claims coding: DESCRIPTION MODEL PFP 350Z Coupe and Roadster (Z33) Cube (Z12) GTR (R35) Juke (F15) Murano (Z51) Quest (E52) Rogue (S35) Rogue Sport (J11) Altima (L33) Frontier (D40) Kicks (P15) Micra (K13) Replace Vent Maxima (A36) Control Valve 16618-JF00A Murano (Z52) O-Ring NV 1500/2500/ 3500/Passenger (F80) NV200 (M20) and TAXI Pathfinder (R52) Quest (V42) Rogue (T32) Sentra (B16) Sentra (B17) Titan (A60) Titan and Titan XD (A61) Versa NOTE (E12) Versa (N17) 7/8 OP CODE SYM DIA FRT 0.3 FX57AA HD 32 0.4 NTB17-082b CLAIMS INFORMATION (continued) DESCRIPTION Replace Vent Control Valve O-Ring MODEL 370Z Couple and Roadster (Z34) Altima Sedan and Coupe (L32) Armada (TA60) Armada (Y62) Maxima (A35) Versa (C11) Altima (L34) Pathfinder (R51) Xterra (N50) PFP OP CODE SYM DIA FRT 0.5 16618-JF00A FX57AA HD 32 0.7 AMENDMENT HISTORY PUBLISHED DATE REFERENCE July 21, 2017 NTB17-082 August 21, 2017 NTB17-082a January 29, 2019 NTB17-082b DESCRIPTION Original bulletin published The APPLIED VEHICLES and CLAIMS INFORMATION sections have been updated The APPLIED VEHICLES section has been updated 8/8 NTB17-082b