TSBCHA049
Service Bulletin Details
Public Details for: TSBCHA049
Tsb: noise during brake actuation - this bulletin provides information to address a brake noise concern on some optima hybrid (tf hev) vehicles, produced from february 15, 2011 through december 8, 2013, which may exhibit a squeaking and/o
Models from 2013
2013 KIA OPTIMA HYBRID |
Models from 2012
2012 KIA OPTIMA HYBRID |
Models from 2011
2011 KIA OPTIMA HYBRID |
GROUP Chassis NUMBER 049 MODEL 2011-2013MY Optima Hybrid (TF HEV) DATE December 2014 TECHNICAL SERVICE BULLETIN SUBJECT: OPTIMA HYBRID - NOISE DURING BRAKE ACTUATION This bulletin provides information to address a brake noise concern on some Optima Hybrid (TF HEV) vehicles, produced from February 15, 2011 through December 8, 2013, which may exhibit a “squeaking” and/or “honking” noise when applying the brakes rapidly. Listen to the sound file below to become familiar with the particular brake noise and, if confirmed, follow the procedure outlined in this bulletin to resolve the concern. TF HEV Brake Noise.mp3 WARNING Caution labels are attached to all the high-voltage components. High-voltage cables and connectors are orange colored. Do not touch any of these highvoltage components, cables or connectors without proper protective gear and training. File Under:Circulate To: x General Manager x Service Advisor(s) x Service Manager x Parts Manager x Technician(s) x Body Shop Manager Fleet Repair Page 2 of 8 SUBJECT: OPTIMA HYBRID - NOISE DURING BRAKE ACTUATION Service Procedure: 1. Record the customer’s radio presets before performing the procedure. 2. Disconnect negative (-) terminal from the battery. 3. Use a brake pedal jack to push and hold the brake pedal down. 4. Open the hood and remove the air duct (A) and air cleaner box (B). B A TSB: CHA 049 Optima Hybrid (TF HEV) December 2014 Page 3 of 8 SUBJECT: 5. OPTIMA HYBRID - NOISE DURING BRAKE ACTUATION Remove the first brake line assembly (C) located between the the Electronic Stability Control (ESC) Module (D) and the Master Cylinder (E). D E C 6. Install a new brake line assembly (F) between the ESC Module and the Master Cylinder, as shown. Tightening torque: 13.7 ~ 16.6 Ib-ft (18.6 ~ 22.6 Nm) F TSB: CHA 049 Optima Hybrid (TF HEV) December 2014 Page 4 of 8 SUBJECT: 7. OPTIMA HYBRID - NOISE DURING BRAKE ACTUATION Disconnect the Brake Fluid Level Sensor connector (G). G 8. Remove the first mounting location for the second brake line assembly (I) at the Master Cylinder (H). I H 9. Continue removing the second brake line assembly at the Hydraulic Power Unit (HPU) (J). J G TSB: CHA 049 Optima Hybrid (TF HEV) December 2014 Page 5 of 8 SUBJECT: 10. OPTIMA HYBRID - NOISE DURING BRAKE ACTUATION Prior to installation, inspect the Damping Chamber (L) to make sure the crush washer (K) is present. L K NOTICE If the crush washer (K) is misplaced, order P/N 17512-10000. 11. Install the Damping Chamber (L) onto the Hydraulic Power Unit (HPU) (M), as shown. Tightening torque: 25.3 ± 3.6 Ib-ft (34.3 ± 4.9 Nm ) L M TSB: CHA 049 Optima Hybrid (TF HEV) December 2014 Page 6 of 8 SUBJECT: 12. OPTIMA HYBRID - NOISE DURING BRAKE ACTUATION Install the second brake line assembly (N) between the Master Cylinder (O) and the Damping Chamber (P) on the HPU (refer to step 9). Tightening Torque (O): 21.7 ~ 25.3 Ib-ft (29.4 ~ 34.3 Nm) N (P): 10.1 ~ 12.3 Ib-ft (13.7~ 16.7 Nm) O N P 13. Reconnect the Brake Fluid Level Sensor connector (G) to the reservoir. TSB: CHA 049 Optima Hybrid (TF HEV) December 2014 Page 7 of 8 SUBJECT: 14. OPTIMA HYBRID - NOISE DURING BRAKE ACTUATION Remove the brake pedal jack (Q). Q L 15. Perform the HEV brake bleed procedure per the applicable workshop manual on KGIS. 16. Reinstall all removed components by reversing the order of removal. 17. Reconnect the Negative (-) terminal to the battery. 18. After performing the brake bleed procedure, perform the PTS Calibration Test using GDS. 19. After calibration is complete, verify proper brake operation and confirm the noise is no longer present. 20. Restore the customer’s radio presets as recorded on step 1. TSB: CHA 049 Optima Hybrid (TF HEV) December 2014 Page 8 of 8 SUBJECT: OPTIMA HYBRID - NOISE DURING BRAKE ACTUATION AFFECTED VEHICLE PRODUCTION RANGE: Model Production Date Range Optima Hybrid (TF HEV) From February 15, 2011 through December 8, 2013 PART INFORMATION: Part Name Part Number Qty. HPU NOISE FIX KIT 58670-4R005FFF 1 BRAKE FLUID DOT 3 HD UM040 CH013 1 Figure WARRANTY INFORMATION: Claim Type W Causal P/N 58718 4U000 Qty. 1 N Code N29 C Code Repair Description Labor Op Code Op Time Replacement P/N Qty. C99 (CHA 049) Hybrid Brake System Procedure 58670F00 1.1 M/H 58670 4R005FFF 1 Note: Use sublet code X1 for reimbursement of brake fluid ($5.11 maximum). TSB: CHA 049 Optima Hybrid (TF HEV) December 2014