T-SB-0018-19
Service Bulletin Details
Public Details for: T-SB-0018-19
Tsb: some 2017 ? 2019 model year highlander vehicles may exhibit a knocking noise from the fuel tank area at idle, vehicle stationary, with a full tank of gasoline. Follow the repair procedure in this bulletin to address this condition.
Models from 2019
2019 TOYOTA HIGHLANDER |
Models from 2018
2018 TOYOTA HIGHLANDER |
Models from 2017
2017 TOYOTA HIGHLANDER |
T-SB-0018-19 February 15, 2019 Knocking Noise From Fuel Tank Area Service Category Engine/Hybrid System Section Fuel System Market USA Applicability YEAR(S) MODEL(S) 2017 - 2019 Highlander ADDITIONAL INFORMATION Introduction Some 2017 – 2019 model year Highlander vehicles may exhibit a knocking noise from the fuel tank area at idle, vehicle stationary, with a full tank of gasoline. Follow the Repair Procedure in this bulletin to address this condition. Warranty Information OP CODE DESCRIPTION TIME OFP T1 T2 EG1824 Install Valve Assembly, Charcoal Canister Plate and R & R Fuel Tank Protector 1.0 77404-0E050 91 52 APPLICABLE WARRANTY This repair is covered under the Toyota Basic Warranty. This warranty is in effect for 36 months or 36,000 miles, whichever occurs first, from the vehicle’s in-service date. Warranty application is limited to occurrence of the specified condition described in this bulletin. For California specification vehicles sold, registered, and operated in California, Connecticut, Delaware, Maine, Maryland, Massachusetts, New Jersey, New York, Oregon, Pennsylvania, Rhode Island, Vermont, and Washington, warranty is in effect for 36 months or 50,000 miles, whichever occurs first, from the vehicle’s in-service date. © 2019 Toyota Motor Sales, USA Page 1 of 8 T-SB-0018-19 February 15, 2019 Page 2 of 8 Knocking Noise From Fuel Tank Area Parts Information PART NUMBER PART NAME QTY Protector Sub-assy, Fuel Tank 1 17451-0D140 Gasket, Exhaust Pipe, Center 1 90917-A6001 Gasket, Exhaust Pipe 1 PREVIOUS NEW 77606-0E040 77606-0E050 77606-48160 N/A 77720-48060 Valve Assy, Fuel Outlet 1 N/A 77743-48020 Plate, Charcoal Canister, No. 1 1 Required Tools & Equipment REQUIRED TOOLS & MATERIAL PART NUMBER QTY Nitto Tape 360UL 1 NOTE Nitto Tape is located in the unusual interior noise (UIN) kit (PN 08231-00801), which is stocked by most dealers. Check the kit first before ordering. Repair Procedure 1. Confirm the condition exists. Does the vehicle exhibit a knocking noise from the fuel tank area at idle, vehicle stationary, with a full tank of gasoline? YES — Continue to step 2. NO — This bulletin does NOT apply. Continue diagnosis using the applicable Repair Manual. © 2019 Toyota Motor Sales, USA T-SB-0018-19 February 15, 2019 Page 3 of 8 Knocking Noise From Fuel Tank Area Repair Procedure (continued) 2. Confirm if the vehicle has the NEW pulsation damper valve assembly installed. NOTE The NEW part can be identified by the addition of a bracket and valve assembly attached to the charcoal canister. Does the vehicle have the NEW pulsation damper valve assembly installed? YES — This bulletin does NOT apply. Continue diagnosis using the applicable Repair Manual. NO — Continue to step 3. Figure 1. Without Pulsation Damper Valve Assembly Installed Figure 2. With Pulsation Damper Valve Assembly Installed © 2019 Toyota Motor Sales, USA T-SB-0018-19 February 15, 2019 Page 4 of 8 Knocking Noise From Fuel Tank Area Repair Procedure (continued) 3. Install the NEW pulsation damper valve assembly. A. Remove the tail exhaust pipe assembly and the charcoal canister protector. Refer to TIS, applicable model and model year Repair Manual: 2017 – 2019 Highlander: Engine/Hybrid System – Emission Control – “2GR-FKS Emission Control: Canister: Removal” B. Remove the front center floor cover and the No. 1 fuel tank protector sub-assembly. Refer to TIS, applicable model and model year Repair Manual: 2017 – 2019 Highlander: Engine/Hybrid System – Fuel System – “2GR-FKS Fuel: Fuel Tank: Removal” C. Disconnect the fuel tank vent hose sub-assembly. Refer to TIS, applicable model and model year Repair Manual: 2017 – 2019 Highlander: Engine/Hybrid System – Emission Control – “2GR-FKS Emission Control: Canister: Removal” D. To provide adequate clearance to the NEW bracket, trim the NEW pulsation damper valve as shown. Figure 3. © 2019 Toyota Motor Sales, USA T-SB-0018-19 February 15, 2019 Page 5 of 8 Knocking Noise From Fuel Tank Area Repair Procedure (continued) E. Ensure clearance between the valve and bracket BEFORE proceeding to the next step. F. Install the NEW bracket to the charcoal canister. (1) Remove the nut from the front of the charcoal canister. (2) Install the bracket on the stud. (3) Tighten the nut and valve assembly plate into place. Figure 4. Torque: 5.5 N*m (56 kgf*cm, 49 in*lbf) G. Install the NEW pulsation damper valve assembly onto the NEW bracket. Push both retaining clips of valve assembly through the two holes on the bracket. Figure 5. © 2019 Toyota Motor Sales, USA T-SB-0018-19 February 15, 2019 Page 6 of 8 Knocking Noise From Fuel Tank Area Repair Procedure (continued) H. Connect the NEW pulsation damper valve assembly to the charcoal canister. Figure 6. I. Figure 7. Cut the two reflect sleeves as shown. 1 1 © 2019 Toyota Motor Sales, USA Cut Location T-SB-0018-19 February 15, 2019 Page 7 of 8 Knocking Noise From Fuel Tank Area Repair Procedure (continued) J. Wrap the two reflect sleeves around each of the vent tube connections and tape them into place as shown in Figures 8 and 9. Figure 8. Figure 9. 1 3 2 4 1 5 1 1 RH 2 Up 3 Reflect Sleeve 4 Vent Tube 5 Nitto Tape K. Using the zip ties supplied, tie the NEW pulsation damper valve assembly to the purge line as shown by doubling the zip ties together for each location. Reflect Sleeve Figure 10. Zip-Tie Locations NOTE Double or connect the zip ties to provide adequate length to secure assembly. © 2019 Toyota Motor Sales, USA T-SB-0018-19 February 15, 2019 Page 8 of 8 Knocking Noise From Fuel Tank Area Repair Procedure (continued) L. Trim the excess zip-tie tail between 3 mm – 5 mm. M. Install the No. 1 fuel tank protector sub-assembly and the front center floor cover. Refer to TIS, applicable model and model year Repair Manual: 2017 – 2019 Highlander: Engine/Hybrid System – Fuel System – “2GR-FKS Fuel: Fuel Tank: Installation” N. Install the charcoal canister protector and the tail exhaust pipe assembly. Refer to TIS, applicable model and model year Repair Manual: 2017 – 2019 Highlander: Engine/Hybrid System – Emission Control – “2GR-FKS Emission Control: Canister: Installation” O. Make sure the vehicle has a full tank of gasoline and start the engine. P. At idle, vehicle stationary, confirm the knocking noise is no longer present. © 2019 Toyota Motor Sales, USA