2018 Jaguar XJ service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.
Built for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and use wiring diagrams and system sections to diagnose problems faster.
What’s included
- Step-by-step repair procedures and service information
- Specifications and reference data (where provided)
- Electrical coverage with wiring diagrams
- Coverage across key systems: engine, transmission, brakes, steering, suspension, HVAC, and more
Trims covered
- L Portfolio Sedan 4-Door
- L Supercharged Sedan 4-Door
- R-Sport Sedan 4-Door
- Supercharged Sedan 4-Door
- Portfolio Sedan 4-Door
Engines covered
- 3.0L 2995CC 183Cu. In. V6 FLEX DOHC Supercharged
- 3.0L 2995CC 183Cu. In. V6 GAS DOHC Supercharged
- 5.0L 5000CC 305Cu. In. V8 GAS DOHC Supercharged
Index / Table of contents
- Body
- Brakes
- Chassis Electrical
- Driveline
- Engine Cooling
- Engine Electrical
- Engine Mechanical
- Engine Performance & Emission Controls
- Fuel System
- General Information & Identification
- Heating, Ventilation, & Air Conditioning
- Hybrid & Electric Vehicle Systems
- Steering
- Suspension
- Transmission, Clutch, & Transfer Case
- Wiring Diagrams
Cosmetic defect to IDMA and ICDM will also be handled via AutoFRED for specific model callouts.
Leaking windshield that caused the water ingress on the electrical component.
Powertrain Control Module (PCM) Software Update
There have been several FRED submissions for a customer allegation of brake judder/vibration.
There have been several FRED submissions for a customer allegation of a brake noise concern.
There have been several FRED submissions for a customer allegation of a rear brake warning being illuminated on the instrument cluster.
This extended warranty covers all repairs to, or replacement of the Infotainment Master Controller (IMC), for 1 year from 3rd February 2025 to 3rd February 2026 for all vehicles that have or will have an expired JLR vehicle warranty in this
These Customer Satisfaction Programs (CSPs) are being made available as a benefit under the Class Action settlement agreement for clients who own or lease a Settlement Class vehicle, that requires a wired software update to the Infotainment
Showing the 8 most recent of 225 technical service bulletins on file with NHTSA.
About 2 years ago, I paid close to $4,000 to repair the coolant system in my Jaguar XJ. I now have the same issue.
