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Buzz Service Bulletins

Buzz Service Bulletins are designed to provide you with important service and warranty information you need to keep your buses on the road. Here you’ll find useful and helpful service and maintenance tips, step-by-step repair procedures, and warranty information to help make your service and maintenance job easier.

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Issue No.   Title Date
179 Important Service Notice – Saf-T-Liner C2 Rear Axle Vent May 23, 2016
177 Nexiq USB-Link Upgrade and Diagnostic Connector for 2016 Emission Buses May 2, 2016
167 Winter Service & Maintenance Tip: Saf-T-Liner C2 – Wait To Start Feb. 16, 2016
163 Carolina Thomas is the Insta-Chain Distributor and Authorized Installer for North Carolina Jan. 29, 2016
162 Newly Expanded Parts Resources Jan. 21, 2016
160 Carolina Thomas Seat Cover & Foam Quick Reference Chart Dec 8, 2015
136 Thomas Saf-T-Liner C2 Bus Seat Improvements for NC DPI State Contract Buses May 6, 2015
134 Training Video – Saf-T-Liner C2 Window Frame Cover Repair Procedure March 12, 2015
130 Adjusting Tilt/Telescope Steering Wheel on Thomas FS65 and C2 Buses Sept. 17, 2014
127 Torque Tips for Meritor 7.17:1 Rear Axle Ratio July 10, 2014
126 NOW AVAILABLE! Carolina Thomas Custom C2 Electrical Terminal Repair Kit (Part No. 561T) June 27, 2014
123 Training Video – C2 Fuel Fill Cup Replacement April 4, 2014
118 Carolina Thomas Proudly Introduces Our New Training Video Service Jan. 7, 2014
118 Training Video – C2 Storage Box Repair Jan. 7, 2014
105 Retrieving & Managing Fuel Economy Data on Thomas Saf-T-Liner C2 Feb. 6, 2013
101 Changing Road Speed on Saf-T-Liner C2 with Cummins Jan. 3, 2013
97 Oil Analysis Update – Reiterating DPI Message #608 Oct. 8, 2012
95 Service Tips and Access to Information Aug. 7, 2012
94 UPDATE- C2 PDM Service Bulletin-PDM Harness Bulletin (See Buzz 90) July 30, 2012
93 Replacing 50A Relay with 70A Relay in AC Electrical Box July 30, 2012
90 PDM Chassis Harness Service Bulletin June 17, 2012
88 A/C Service Reminder – DPI Message #590 June 8, 2012
87 C2 Headlight Moisture – Service Bulletin 54-14 May 30, 2012
81B C2 Dome Light – Correct Bulb April 24, 2012
79 Additional Copy of SF249A – Proper Wiring Securement March 1, 2012
78 FS 65 Caterpillar Grid Heater Wire Connection Feb. 28, 2012
70 Fault Codes Retrieved Out of Dash Oct. 31, 2011
67 Turn Signal Switch – Unintended Wiper Activation Sept. 6, 2011
62 A/C Repairs on Non-Warranty Buses Available May 10, 2011
59 Cummins – Good News for CPWA Counties April 28, 2011
58 Certified Letter to all Directors – Warranty Instructions March 3, 2011
57 Diesel Exhaust Filter Lights and Regeneration Process Feb. 23, 2011
54 Three C’s for Thomas Bus Warranty Feb. 10, 2011
48 Rear Tag Light Information Update Nov. 11, 2010
46 Stop Arm Troubleshooting Guide Oct. 1, 2010
45B Switch Hub Module Troubleshooting Spreadsheet Sept. 24, 2010
45A Switch Hub Module Troubleshooting Guide Sept. 24, 2010
44 Battery Box Tray Slides- Notified to Watch Sept. 23, 2010
43 Crossmember Update-Expand to Include MBE- Loose Bolts Sept. 23, 2010
42 Stop Arm -Cross Arm Pressure Regulator Troubleshooting Sept.15, 2010
41 Roof Strobe Light Troubleshooting Procedures Sept. 14, 2010
40 TBB Online and Access Freightliner Info Sept. 3, 2010
37 Storage Box Bracket Repair Aug. 20, 2010
36 Coolant Surge Tank Splitting – Repair Procedure Aug. 11, 2010
34 FS 65 Wear Plate for Accelerator Pedal Aug. 5, 2010
30 Service Link Access Information and Instructions May 27, 2010
28 Warranty Information Update March 24, 2010
27 Chassis Service Bulletin 27 and 27A – Crossmembers on C2s March 19, 2010
25 Fuel Leak on Cummins Fuel Pump Feb. 11, 2010
21 Crossmember Replacement Program Jan. 21, 2010
20 Thomas Bus will Troubleshoot Itself PLUS Diagnostic Code Cheat Sheets Jan. 14, 2010
18 LED Warning Lights Dec. 23, 2009
13 Warranty – Additional Tip Light Positions Oct. 23, 2009
12 Warranty Training Procedures Oct. 14, 2009
8 MBE Fan Hub Bearing Repair June 26, 2009
4 Diesel Exhaust Filter Lights and Regeneration Process June 9, 2009
3 Cummins EGR Battery Drain June 3, 2009
1 Introducing The Bus Buzz March 1, 2009