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Glossary

  • Z – Jaguar Abbreviations, Acronyms and Terms
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  • W – Jaguar Abbreviations, Acronyms and Terms
  • V – Jaguar Abbreviations, Acronyms and Terms
  • U – Jaguar Abbreviations, Acronyms and Terms
  • T – Jaguar Abbreviations, Acronyms and Terms
  • S – Jaguar Abbreviations, Acronyms and Terms
  • R – Jaguar Abbreviations, Acronyms and Terms
  • Q – Jaguar Abbreviations, Acronyms and Terms
  • P – Jaguar Abbreviations, Acronyms and Terms
  • O – Jaguar Abbreviations, Acronyms and Terms
  • N – Jaguar Abbreviations, Acronyms and Terms
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  • K – Jaguar Abbreviations, Acronyms and Terms
  • J – Jaguar Abbreviations, Acronyms and Terms
  • I – Jaguar Abbreviations, Acronyms and Terms
  • H – Jaguar Abbreviations, Acronyms and Terms
  • G – 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

R – Jaguar Abbreviations, Acronyms and Terms

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

R = Reverse; or Resistance in electronic equations
(R+M/2) = Fuel octane or performance rating derived from average of RON and MON (AKI)
R-12 = DuPont Freon CFC refrigerant used in auto A/C systems, phased out after Montreal Protocol
R-134a = Refrigerant 134a, tetrafluoroethane (C2H4F4), HFC refrigerant that replaced R-12
R-152a = Refrigerant 152a, difluoroethane (C2H4F2), may replace R-134a in autos (see HFO-1234yf)
RAM = Random Access Memory
RATC = Rear Automatic Temperature Control Module (not to be confused with RCCM)
RCM = Restraints Control Module or Resistance Deployment Control Module
RCCM = Remote Climate Control Module (not to be confused with RATC)
RCCP = Rear Climate Control Panel
RLCM = Rear Lighting Control Module
RCMISO = Resistance Deployment Control Module ISO bus
RCMSCP = Resistance Deployment Control Module Secondary Control Processor
RDS = Radio Data System(s)
RECM = Rear Electronic Control Module (REM)
RECP = Rear Entertainment Control Panel
Redesign = Major design and engineering changes to an auto model (see also Facelift)
Reluctor = Sensor Ring, sensor rotor, trigger wheel
REM = Rear Electronic Module (RECM)
Resonator, Helmholtz = Tuned chamber designed to reduce noise, especially in exhausts or air intakes
Restricted Performance = Limited transmission and/or engine function due to a fault (LHM, RP)
RETM = Rear Entertainment Control Module, Rear Seat Entertainment Control Module
Rev = Reverse or Revolution
Rev Counter = Revolution Counter, Tachometer, Tach or TACH
Revolution Counter = Rev Counter, Tachometer, Tach or TACH
Rexine = Thin early forerunner of vinyl used on XK140 and earlier interiors (see vynide)
RF = Radio Frequency
RFI = Radio Frequency Interference (see EMR, EMI)
RH = Right Hand, Right Hand Side, typically referenced from the driver’s seat facing forward
RHD = Right Hand Drive
Rheostat = A two-terminal variable resistor used to control current, as in a light dimmer
Rheostat Switch = A combination rheostat and On/Off switch
RHIMT = Right-Hand Intake Manifold Tuning Valve, (IMT, LHIMT)
RHLCM = Right Hand Level Control Module (ADHLS R)
RHS = Right Hand Side, typically referenced from the driver’s seat facing forward
Rich = AFR with too little air and/or too much fuel, Lambda (λ) < 1 (see Lean)
Rimbellisher = Decorative trim ring for outer rim of wheel, often chrome plated
Ring Gear = Crown Wheel (in differential), or Starter Gear on flywheel or flex plate
Ring Terminal = Eyelet Terminal
Ring Spanner = Box End Wrench or Box Wrench
RKE = Remote Keyless Entry
RME = Rapeseed Methyl Ester, a biodiesel fuel produced from low erucic acid varieties of canola seed
RMM = Rear Memory Module
Roadster = Non-hardtop coupe, may or may not have a convertible top or hood
Rocker Cover = Protective cap on overhead-valve engine, Valve Cover, see Cam Cover
Rocker Panel = Sill
ROM = Read-Only Memory
RON = Research Octane Number, a fuel performance rating system; see MON,
(R+M/2), AKI
Roots = A Roots-type supercharger or blower, positive displacement lobe pump
Rotor = Brake disc or distributor rotor
ROW = Rest of World, Rest of the World Specification
RP = Restricted Performance, permits driving while reducing risk of engine or trans damage (LHM)
RPaid = Rear Parking Aid
RPDB = Rear Power Distribution Box, Rear Power Distribution Fuse Box
rpm or RPM = Revolutions Per Minute
RS = Road Speed, typically expressed in mph o km/h (VS, VRS)
RSE = Rear Seat Entertainment
RSIS = Rear Seat Infotainment System
RSM = Rear Seat Module, Rear Seat Control Module, Rear Head Restraint Module
RTFM = Read the f**king manual
RTM = Read the manual
Rug = Footwell rug, overmat or carpet
RWD = Rear Wheel Drive (see FWD)
RWHP = Rear Wheel Horsepower

Updated on March 21, 2022
S – Jaguar Abbreviations, Acronyms and TermsQ – Jaguar Abbreviations, Acronyms and Terms

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