Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Commonly Used Abbreviations - General Information: "T"
- TAB
-
Thermactor Air By-Pass
- TAC
-
Throttle Actuator Module
- TAD
-
Thermactor Air Diverter
- TBC
-
Body Control Module (General Motors)
- TBI
-
Throttle Body Injection
- TCC
-
Torque Converter Clutch
- TDC
-
Top Dead Center
- Temp.
-
Temperature
- TFI
-
Thick Film Ignition
- THERMAC
-
Thermostatic Air Cleaner
- TPM
-
Tire Pressure Monitor
- TPMS
-
Tire Pressure Monitor System
- TPS
-
Throttle Position Sensor/Switch
- TS
-
Temperature Sensor
- TV
-
Thermovalve
- TWC
-
Three-Way Catalyst
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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