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Glossary

  • Z – Jaguar Abbreviations, Acronyms and Terms
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  • T – Jaguar Abbreviations, Acronyms and Terms
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  • D – Jaguar Abbreviations, Acronyms and Terms
  • C – Jaguar Abbreviations, Acronyms and Terms
  • B – Jaguar Abbreviations, Acronyms and Terms
  • A – Jaguar Abbreviations, Acronyms and Terms

Instructions & Guides

  • Zeus Braking Instructions Vented Brakes
  • 5 Speed Gearbox Instructions for E-Type
  • Zeus Braking Instructions
  • C-26767 Brake Master Cylinder Instructions
  • LR-18230 Brake Servo Installation Instructions
  • SU-563 HD6 Carburetor Kit Instructions
  • SU-524 HD8 Carburetor Kit Instructions
  • JLM-11698-K XJ40 Shock Conversion Kit Instructions
  • Fender Trim Moldings Installation Instructions
  • FAN-42 10″ Fan Installation Instructions
  • C2N-2266 XK8 Wind Deflector Instructions
  • C2C-11804-PR 2004 & Up XJ8 Mesh Grille Insert Instructions
  • BBC-88989-S-PR XJ40 Mesh Grille Installation Instructions
  • BD-22732 E-Type Dash Fitting Instructions
  • C-27537 Battery Instructions
  • C-2767 Battery Instructions
  • ANT-1 Antenna Installation Instructions
  • LHD-4120-AA Antenna Installation Instructions
  • NAB-900 Alternator Instructions
  • OF-19-A Oil Filter Adapter Instruction Sheet
  • OF-14-D Oil Filter Adapter Instruction Sheet
  • C-19687-42CONV Installation Instructions
  • 31250 Turn Signal Switch Instruction Sheet
  • 4212-554 Brake Master Cylinder Diagram
  • 5 Speed Gearbox Instructions
  • Cheney Hose Clamps Installation Tips
  • ABS Accumulator Ball Instructions
  • 700-0300 Fast XR700 V12 Jaguar Installation Instructions
  • DAC-4090 Antenna Replacement Instructions
  • LPG-XJS Leaper Hood Ornament Installation Instructions
  • C2Z-1126 XF Bonnet Leaper Installation Instructions
  • C2N-2752 XK8 Mesh Grille Insert Instructions
  • XK8 Wind Deflector Installation Instructions
  • MJA-2170-BD-K Urethane Shock Mount Kit Installation Instructions
  • MNC-2168-69-K Upper Shock Bushing Kit Installation Instructions
  • Fog Lamp Lens Installation Instructions
  • XJ40 Tail Light Lens Install Instructions
  • HNA-5502-EA-PR XJ6 Upper Mesh Grille Insert Instructions
  • HNC-5502-CA-PR XJ8 Mesh Grille Insert Instructions
  • XR8-46158 S-Type Lower Mesh Grille Instructions
  • 34542-CONV E-Type MK Brake Lamp Switch Conversion
  • 33356 Starter Relay 22RA Diagram
  • FAN-38 16″ Fan Installation Instructions
  • LED-XKE-TS Front Turn Signal LED Lights
  • LED-E2-E3 LED Tail Light Instructions
  • LED-E1 LED Tail Light Instructions
  • LED-140-150 LED Tail Light Instructions
  • LED-XK120 LED Tail Light Instructions
  • CTE-3109 Electric Clock Instructions

Reference Documents

  • C2242 Cylinder Head
  • Speedometer Calibration Check
  • Permastar Chrome Care
  • XJS Convertible Top Lift Cylinder Installation Tips
  • V12 E-Type Operators Manual Versions
  • Jaguar Color Guide PDF

Diagrams

  • XJS Fuel Tanks Infographic
  • Engine Block Numbers Diagram
  • Cylinder Head Identifier Diagram
  • C-17427 Fan Motor Wiring Diagram
  • A-1121-N Alternator Diagram
  • 37076 Voltage Regulator Diagram

Catalogs

  • Welsh XJ40 Catalog
  • Welsh XJ6 Catalog
  • Welsh XJS Catalog
  • Welsh General Catalog
  • Home
  • Glossary

T – Jaguar Abbreviations, Acronyms and Terms

This glossary was compiled by Don B at jaguarforums.com and is reproduced here
with his permission

TA = Traffic Announcements
Tab Washer = Flat washer with projecting tab that is bent upward to lock against the nut or bolt head
Tach or TACH = Tachometer, Rev Counter, revolution counter
Tachometer = Rev Counter, revolution counter, Tach or TACH
Tappet = A sliding rod or capped cylinder intermittently struck by a camshaft lobe to open a valve.
Tata Motors = Mumbai, India-based corporate owner of JLR since 2008
Tata, Ratan = Former Chairman of Tata Motors who oversaw the acquisition of JLR from Ford
TAU = Theft Alarm Unit
TAVDICT = Torque Actuated Variable Dual Independent Camshaft Timing (See VCT, VVT)
TB = Throttle Body
TC = Torque Converter; Turbocharger/Turbocharged engine; Top Center (TDC); Traction Control
TCC = Torque Converter Clutch
TCM = Transmission Control Module
TCMISO = Transmission Control Module ISO bus
TCS = Traction Control System
TDC = Top Dead Center, Top Center (TC)
Teflon = DuPont trademark for polytetrafluroethylene (PTFE) class of thermoplastics
TFT = Thin-Film Transistor, Transmission Fluid Temperature Sensor
TFT LCD = Thin-Film Transistor Liquid Crystal Display
TFTS = Transmission Fluid Temperature Sensor
Thermistor = Temperature-sensitive resistor
Throwout Bearing = Thrust Bearing
Thrust Bearing = Throwout Bearing
Tick Over = Idle, or the engine speed at tick over
Tie Rod = Track rod, connecting rod (steering)
Tie Rod End = Track rod end (steering)
Tire = Tyre
TFT = Transmission Fluid Temperature Sensor
TM = Throttle Motor
Toll Motorway = Turnpike
Tonneau = Tonneau Cover A waterproof cover fastened over the cockpit of a roadster or convertible
Toothed Lock Washer = Internal or External Teeth, Shakeproof Washer, Star Washer (External Teeth)
TOPix = JLR Technical and Owner Publications Information Exchange (formerly GTR)
Top Dead Center = Position of piston when it is at its farthest distance from the crankshaft (see BDC)
Torch = Flashlight
Torque = Rotational force, measured in pound-feet (lb-ft) or Newton-meters (Nm)
Torque & Torque Pro = Android OBDII app that pairs with a Bluetooth device such as an ELM327
Torque Converter = Fluid coupling that replaces a mechanical clutch in an automatic transmission.
Torsion Bar = Anti-sway bar, anti-roll bar, stabilizer bar, sway bar
Torx = “Star” fastener, trademarked screw head design with 6 internal or external lobes or points; 6lobe
Torx Plus = Improved head profile Torx fastener
Torx, Security = Torx screw with a pin centered in the internal lobe socket requiring a special bit
TOT = Transmission Oil Temperature
TP = Throttle Position, Throttle Position Sensor (TPS), Throttle Potentiometer (TPP)
TP = radio Traffic Program
TP1 = Throttle Position Sensor Resistive Element 1
TP2 = Throttle Position Sensor Resistive Element 2
TPM = Tire Pressure Monitoring System
TPMS = Tire Pressure Monitoring System or Sensor
TPP = Throttle Potentiomenter, Throttle Position Sensor (TPS)
TPS = Throttle Position Sensor (potentiometer) (TP), Throttle Position Switch (On/Off only)
TQ = Torque (TRQ)
Track Rod = Tie rod, connecting rod (steering)
Track Rod End = Tie rod end, Connecting rod end (steering)
Trannie = Transmission, Trans, Gearbox, Box
Tranny = Transmission (Gearbox)
Trans = Transmission, Trannie, Gearbox, Box
Transaxle = Combination transmission & axle drive for front-wheel and all-wheel drive systems
Transducer = Converts one form of energy to another, e.g. pressure to electricity; electricity to sound
Transfer Box = Transfer Case, additional gear set for AWD and 4WD vehicles
Transfer Case = Transfer Box, additional gear set for AWD and 4WD vehicles
Transmission = Gearbox, Trans, Trannie, Box
Transponder = Passive security device in the key or fob of a PATS-equipped vehicle
Tread Plate = Sill plate, sill finisher
Trigger Wheel = Reluctor, sensor ring, sensor rotor
TRQ = Torque (TQ)
TS = Throttle Switch
Trunnion = Cylindrical device fitted to a throttle cable, choke cable, etc. to serve as a stop
Truck = Lorry
Trumpet = Bell- or horn-shaped section of a carburetor or throttle body inlet, warning horn output, etc.
TS = Twin Screw (a type of supercharger)
TSB = Technical Service Bulletin, updated information from Jaguar to Dealers & Technicians (JTB)
Tuffelt = Thick underfelt fabric used for sound-deadening and padding in Jaguar interiors
TURN = Turn Signal
Turn Signals = Indicators, Direction Indicators, Signals (DI)
Turnpike = Toll Motorway
TV = Television
TVbB or TVBB = Torque Vectoring by Braking
Twin Cam = Dual- or Double-Cam engine, typically a DOHC engine
Twin OHC = Dual- or Double-Cam engine, typically a DOHC engine
TWR = Tom Walkinshaw Racing, partner in JaguarSport and TWR special edition models (see TRW)
Tyre = Tire

Updated on March 21, 2022
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