ITB17-004b
Service Bulletin Details
Public Details for: ITB17-004b
Accessory drive belt noisy or has come off this bulletin has been amended. See amendment history on the last page. Please discard previous versions of this bulletin.
Models from 2017
2017 INFINITI Q50 |
2017 INFINITI Q60 |
Models from 2016
2016 INFINITI Q50 |
Classification: Reference: Date: EM16-006b ITB17-004b August 7, 2019 ACCESSORY DRIVE BELT NOISY OR HAS COME OFF This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. APPLIED VEHICLES: 2016-2017 Q50 (V37) 2017 Q60 (V37) APPLIED VIN AND DATE: 2016 Q50 (V37) All 2017 Q50 (V37) Built before: JN1EV7AP(*)HM 731871 / September 7, 2016 RWD JN1FV7AP(*)HM 850227 / September 7, 2016 JN1EV7AR(*)HM 832718 / September 7, 2016 AWD JN1FV7AR(*)HM 870451 / September 7, 2016 2017 Q60 (V37) Built before: JN1EV7EK(*)HM 360095 / May 27, 2016 JN1FV7EK(*)HM 610102 / May 27, 2016 JN1EV7EL(*)HM 550025 / May 27, 2016 AWD JN1FV7EL(*)HM 700062 / May 27, 2016 VR30DDTT (V6 Twin Turbo Engine) NOTE: Bulletin does not apply to Hybrid vehicles RWD APPLIED ENGINE: IF YOU CONFIRM The accessory drive belt is noisy, OR The accessory drive belt has come OFF of the idler pulley. ACTION If the accessory drive belt is currently only noisy, check its alignment with the procedure starting on page 3. If the accessory drive belt has come OFF of the idler pulley, first replace the accessory drive belt and repair any collateral damage caused by the belt, and then proceed to Re-align A/C Compressor on page 6. 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. Infiniti 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 Infiniti retailer to determine if this applies to your vehicle. 1/9 Flow Chart The accessory drive belt is noisy, Or The accessory drive belt has come OFF of the idler pulley. Has the accessory belt come OFF of the idler pulley? NO YES Replace the accessory drive belt and repair any collateral damage caused by the belt. Proceed to Check Accessory Drive Belt Alignment on page 3. Refer to the Electronic Service Manual (ESM) for component specific repair information. Proceed to Re-align A/C Compressor on page 6. 2/9 ITB17-004b SERVICE PROCEDURE Check Accessory Drive Belt Alignment 1. Access the idler pulley by hand. NOTE: The idler pulley can be reached from the driver’s side of the engine compartment between the radiator and the front of the engine as shown in Figure 1 and Figure 2. Figure 1 Idler pulley Figure 2 3/9 ITB17-004b Front edge of accessory belt 2. Measure the gap from the front edge of the belt to the front edge of the idler pulley shown in Figure 3 as follows: a. Cut out a 1 inch square piece of paper. Front edge of idler pulley NOTE: A sticky note can be used. Figure 3 Idler pulley b. Align the paper to the front edge of belt (Figure 3 and Figure 4). 1 inch square piece of paper c. While holding the paper against the edge of the belt, fold the paper over the edge of the idler pulley to create a crease in the paper. Figure 4 d. Remove the paper and measure the distance between the crease and the edge of the paper that was in contact with the belt. Idler pulley edge mark Side against belt Figure 5 4/9 ITB17-004b 3. Is the distance of the belt 3.5 mm or more from the front edge of the pulley? YES: No adjustment is required at this time. Refer to the ESM for further diagnostic information: ENGINE > ENGINE MECHANICAL > VR30DDTT. NO: Proceed to Re-align A/C Compressor. OK NG Belt needs to be re-aligned 3.5 mm or more Figure 6 Figure 7 5/9 ITB17-004b Re-align A/C Compressor 1. Remove the air duct (inlet) shown in Figure 8. 2. Remove the air cleaner body (bank 2). 3. Remove the air cleaner cover (bank 2). 4. Remove the air duct (bank 2). Figure 8 6/9 ITB17-004b 5. Remove the accessory drive belt. Refer to the ESM: ENGINE > ENGINE MECHANICAL > VR30DDTT > PERIODIC MAINTENANCE > DRIVE BELT > Removal and Installation. 6. Recover/recycle the A/C refrigerant. Refer to the ESM: VENTILATION, HEATER & AIR CONDITIONER > HEATER & AIR CONDITIONING SYSTEM > VR30DDTT > BASIC INSPECTION > REFRIGERANT > Recycle Refrigerant. High pressure hose 7. Remove the nut holding the high pressure hose to the A/C compressor, and then disconnect the high pressure hose. Nut NOTE: Do not remove the low pressure hose. A/C compressor Figure 9 8. Loosen the front two (2) A/C compressor mounting bolts shown in Figure 10. Do not remove the A/C compressor mounting bolts when loosening. 9. Loosen the single rear A/C compressor mounting bolt shown in Figure 10. Step 9 Step 8 Figure 10 7/9 ITB17-004b 10. Move the A/C compressor up and down to free it from the engine assembly. 11. Push the A/C compressor toward the rear of the vehicle. 12. While holding the A/C compressor toward the rear of the vehicle, tighten the A/C compressor mounting bolts in the order shown in Figure 11 to 5 N•m, (0.51 kg-m, 44 in-lb). NOTE: Take care not to move the A/C compressor until the final torquing of the bolts in the next step. 13. Torque the A/C compressor mounting bolts to 30.9 N•m, (3.2 kg-m, 23 ft-lb) in the order shown in Figure 11. 1 3 2 Figure 11 14. Replace the high pressure hose o-ring, and apply refrigerant oil to the o-ring before reinstalling the high pressure hose. 15. Reassemble the vehicle in the reverse order of disassembly. 16. Recharge the A/C refrigerant. Refer to the ESM: VENTILATION, HEATER & AIR CONDITIONER > HEATER & AIR CONDITIONING SYSTEM > VR30DDTT > BASIC INSPECTION > REFRIGERANT > Charge Refrigerant. 8/9 ITB17-004b PARTS INFORMATION DESCRIPTION PART NUMBER QUANTITY Accessory Drive Belt 11720-5CA0A 1, If Needed O-ring 92472-N8210 1, If Needed S-R134A PAG Lube (Refrigerant Oil) 999MP-ND12P (1) Shop supply (1) Order through the Infiniti Maintenance Advantage program: Phone: 877-463-4621; website order via link on dealer portal www.NNAnet.com and click on the “Maintenance Advantage” link. CLAIMS INFORMATION DESCRIPTION PFP OP CODE SYM DIA FRT Align A/C compressor (Includes A/C Evacuate and Recharge) (1) TX48AA ZL 32 1.8 (1) Refer to the Electronic Parts Catalog (EPC) and use the appropriate A/C Compressor part number (92600XXXXX) as the primary failed part. AMENDMENT HISTORY PUBLISHED DATE REFERENCE DESCRIPTION February 3, 2017 ITB17-004 Original bulletin published. March 28, 2018 ITB17-004a APPLIED VEHICLES and APPLIED VIN AND DATE sections revised. August 7, 2019 ITB17-004b Page 8 and PARTS INFORMATION section revised. 9/9 ITB17-004b