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2021 Thomas Built Buses Saf-T-Liner Efx TSBs

53 Technical Service Bulletins across 12 categories

Pre-Delivery & Maintenance

17 bulletins
11031983

Service Solution for EFX AC Upper bracket TBB 130987 replaced with TBB 248310

10251202

Important Campaign Information letter for FL974 - Revised Bulletin & Population

10193696

Thomas Built Buses Product Awareness Bulletin on Allison 7 Year Warranty

10187529

Important Campaign Information Letter for Dealer Travel for Campaign Performance TBB.

10187440

Revised Warranty Information Letter for OWL and Warranty Manual Improvement: Sublets and Travel Time/Distance.

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In the spirit of continuous improvement, DTNA reviewed sublet-related policies and procedures. The goal was to improve language clarity and optimize processes. Revisions are in blue font.

10178006

Important Campaign Information letter announcing Dealer Travel for Campaign Performance.

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This letter is to announce a reimbursement available to dealers for travel to a customers location to perform a recall or field service campaign.

10177979

Warranty Information Letter for OWL and Warranty Manual Improvement: Sublets and Travel Time/Distance.

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In the spirit of continuous improvement, DTNA reviewed sublet-related policies and procedures. The goal was to improve language clarity and optimize processes.

10177838

Warranty Information Letter informing that to ensure that DTNA policies and service network practices align, the...

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Warranty Department will be revising the Warranty Manual.

10177648

Service Bulletin for Guidelines for Cleaning and Disinfecting Cab Surfaces.

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The following guidelines are for cleaning and disinfecting commonly touched surfaces on the inside and outside of a vehicle. For best results, follow cleaning and disinfecting procedures fully and consistently. Ensure there is adequate ventilation when using chemicals. NOTICE: Wipe down fragile components carefully to avoid damaging the vehicle.

10174376

Warranty Information Letter for Warranty Training Online.

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DTNA is pleased to announce the release of new Warranty-related training videos. The videos provide Warranty content in short instructional videos that are available on demand through the AftermarkeTV Video Channel icon on the Aftermarket Resource Center (ARC) home page.

10174060

Warranty Policy Letter for Handling for Authorized Service Location Part Transfers.

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To promote 24-hour throughput and maximum efficiency, DTNA is adjusting multiple handling policies: Launching a new handling allowance for parts ordered from another Authorized Service Location because the facing Part Distribution Center (PDC) is out of stock Retiring Detroit's Customer First Program

10172579

Open recall and Field service Campaigns report send out to Dealers, General Managers, Service managers and warranty...

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managers.

10172547

Warranty Policy Letter explaining the Warranty Department is aligning with the frame rail repair policy, published in...

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DTNA Workshop Manuals, which states that there are very few cases in which welding a heat-treated frame rail is allowed. Therefore, before welding anything on a frame rail, contact the applicable regional service representative for approval.

10172025

Open recall and Field service Campaigns report send out to Dealers, General Managers, Service managers and warranty...

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managers

10171359

Revision to a Warranty Policy Letter announcing the One Stop Supplier Extended Program Launch.

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The One Stop Supplier Extended Program streamlines the claim filing process because with One Stop Supplier Extended, the service network will file claims for some supplier-supported coverages in OWL. Revisions are in blue.

10170299

Warranty Policy Letter announcing the One Stop Supplier Extended Program Launch.

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The One Stop Supplier Extended Program streamlines the claim filing process because with One Stop Supplier Extended, the service network will file claims for some supplier-supported extended coverages in OWL.

10168036

Warranty Policy letter announcing service locations have 90 calendar days from delivery to open a repair order which...

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Identifies and addresses discrepancies from the sales order.

Software & Calibration

7 bulletins
10193736

Thomas Built Buses Product Awareness Bulletin on National Drivers Seat Update

10193722

Thomas Built Buses Product Awareness Bulletin on 12V Outlets Update

10193702

Thomas Built Buses Product Awareness Bulletin on Data Book Update

10193697

Thomas Built Buses Product Awareness Bulletin on Lettering Update

10193682

Thomas Built Buses Product Awareness Bulletin on Freedman Seating Update

10193677

Thomas Built Buses Product Awareness Bulletin on Slide n Click Update

10193602

Thomas Built Buses Product Awareness Bulletin on ESC Update EFX and HDX

Other

6 bulletins
11010186

CX Advocate for CARB tightening the Readiness Criteria applied to On-Board Diagnostic (OBD) test submissions for the...

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Clean Truck Check.

10199357

Thomas Built Buses Product Awareness Bulletin on MY2021 Cummins B6.7 Containment Plan

10193754

Thomas Built Buses Product Awareness Bulletin on School Bus Lettering

10193743

Thomas Built Buses Product Awareness Bulletin on Lettering Changes - Notification

10193728

Thomas Built Buses Product Awareness Bulletin on PV360 NS Camera Type D

10193716

Thomas Built Buses Product Awareness Bulletin on Power Outlet

Electrical

5 bulletins
11035528

Technical Service Bulletin for Electrical Wiring Modifications for Type DFootwell Heater

10251200

Revised Emissions Recall: Cummins DEF Sensor Shortage.

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REVISION: Some vehicles formerly in Group F have been moved to Group G and have been assigned a new part number as specified in Table 1. An SRT for 'Calibration Code Only: Update or Confirm' has been added, as shown in Table 2, to be used when a new DEF header is not required. There have been some other minor changes to the work instructions and SRT times.

10249516

Emissions Recall: Cummins DEF Sensor Shortage

10189319

Warranty Policy Letter for battery tags.

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DTNA determined that since adopting the AutoMeter BCT-460DTNA Powernet Assessment Tool (AutoMeter) as the required powernet system tester, not all battery tags have to be retained support Warranty-related claims.

10171360

Service Bulletin for Guidelines for Repairing or Replacing an Electrical Harness.

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Use the guidelines in this bulletin to determine if a damaged electrical harness should be repaired or replaced.

Lighting

4 bulletins
11014787

Service Solution for HDX / EFX front lighting replacement

10193653

Thomas Built Buses Product Awareness Bulletin on Lamp Monitors

10174061

Warranty Policy Letter for Chassis Progressive Damage Policy Change.

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Effective for repair orders opened on or after April 27, 2020, if an Authorized Service Location installed a part which later has a warrantable failure, progressive damage and labor may be covered under the Aftermarket Parts Limited Parts Warranty (Parts Warranty).

10174052

Warranty Policy Letter for Handling Change: Over the Counter Aftermarket Parts Replacement Program.

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DTNA is pleased to announce that handling will increase to 33% for Misc. Replacement Part type claims filed under the Over the Counter (OTC) Aftermarket Parts Replacement Program.

Engine

3 bulletins
11010192

Extended Warranty Policy for certain Cummins B6.7 engines for TBB vehicle DEF headers for EPA and CARB Emissions...

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Reporting

11008508

Service Solution for Detroit Successful Regen Reference for GHG17 DD Engines

10193726

Thomas Built Buses Product Awareness Bulletin on Buy America Cummins B6.7 Engine

Body & Paint

3 bulletins
10193733

Thomas Built Buses Product Awareness Bulletin on Defender Composite Stop Arm Changes

10193723

Thomas Built Buses Product Awareness Bulletin on Roof Top Lettering (Addendum)

10193580

Thomas Built Buses Product Awareness Bulletin on Corrosion Protection EFX & HDX

Steering

2 bulletins
11011106

Service Solution for Power steering Pump TBB 61280827 replacement with TBB 246122

10180350

Tech Talk discussion about power steering fluid.

Fuel System

2 bulletins
11011076

Warranty Information letter for Detroit Line or Line Seal, High Pressure Fuel Injector Standard Repair Time Updates

10177653

Warranty Information Letter for Detroit and TBB Parchment Format Update.

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In the continuing effort to standardize across brands, DTNA is pleased to announce that Detroit Diesel Corporation (Detroit) and Thomas Built Bus (TBB) parchments will be transitioned to the format used for Freightliner, Freightliner Custom Chassis Corporation (FCCC), and Western Star. DTNA's goal is to improve and align documentation but individual coverages have not changed. Updated parchments, also known as coverage sheets, will be published on a rolling basis.

Transmission

2 bulletins
10184029

Revised Warranty Policy Letter for Alliance/Mascot Aftermarket Warranty and Claim Filing.

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Revisions are in blue. With Mascot now in partnership with Detroit Reman and Alliance Parts, DTNA is pleased to announce that Mascot coverage has been added to OWL. Remanufactured Alliance/Mascot parts include transmission, differential, steering gear, and steering pump used in an on-highway vehicle applications. The Alliance/Mascot aftermarket warranty coverage period has not changed: depending on the part, coverage is for one (1) or two (2) years and current parts, labor, and reimbursement policies apply.

10183988

Warranty Policy Letter for Alliance/Mascot Aftermarket Warranty and Claim Filing.

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With Mascot now in partnership with Detroit Reman and Alliance Parts, DTNA is pleased to announce that Mascot coverage has been added to OWL. Remanufactured Alliance/Mascot parts include transmission, differential, steering gear, and steering pump used in an on-highway vehicle applications. The Alliance/Mascot aftermarket warranty coverage period has not changed: depending on the part, coverage is for one (1) or two (2) years and current parts, labor, and reimbursement policies apply.

Suspension

1 bulletin
11028074

Service Solution for EFX Shock Mount Frame Rail Crack Repair

HVAC & Climate

1 bulletin
10193738

Thomas Built Buses Product Awareness Bulletin on Heater Hose Changes