Market Position:
Essential resource for Jaguar XJ40 owners and technicians seeking dealership-level repair information
Competitive Analysis:
Offers specific, factory-level detail unlike generic repair guides, providing a significant advantage for accurate and efficient repairs.
Key Features:
Vehicle-specific content, comprehensive A-Z coverage, detailed diagrams and schematics, digital format benefits (printability, portability).
Digital Format Advantages:
Ease of navigation, ability to zoom in on diagrams, print specific sections, and avoid wear and tear on original pages.
Models Covered:
All 1985 Jaguar XJ (XJ40) models
Repairs Covered:
All repairs A-Z, vehicle specific
Page Count:
Not specified, but described as comprehensive
Manual Type:
Service and Repair Manual
File Type:
Digital Download
Engine Maintenance:
Engine, Control System, Fuel Service Specifications, Emission Control, Intake Exhaust Cooling, Lube, Ignition Starting Charging
Drivetrain Maintenance:
Auto Transmission, Clutch, Manual Transmission, Transfer Propeller Shaft, Drive Shaft, Differential, Axle Suspension
Chassis Maintenance:
Tire & Wheel, Brake Control, Brake, Parking Brake, Steering Column, Power Steering
Electrical Maintenance:
Electrical, Multiplex/ Can Communication
Comfort Features Maintenance:
Air Condition, Suppl Restraint System, Seat Belt, Engine Immobilizer, Cruise Control, Wiper & Washer, Door Lock, Meter Audio/Visual, Horn, Windshield/Glass Mirror, Instrument Panel, Seat, Engine Hood/ Door, Exterior & Interior
Body And Trim:
Exterior and Interior, Engine Hood/ Door, Windshield/Glass Mirror, Instrument Panel, Seat
Repair Procedures:
Complete step-by-step instructions for diagnosis and repair
Diagnostic Procedures:
Diagnosis and troubleshooting for all systems
Maintenance Procedures:
Maintenance schedules and procedures
Wiring Schematics:
Detailed wiring diagrams for all electrical systems, crucial for diagnosing faults.
Technical Depth:
Factory highly detailed, equivalent to dealership technician manuals
Content Type:
Diagrams, illustrations, wiring schematics, specifications
Diagnostic Tools:
While not explicitly stated, dealership manuals of this era would reference specific Jaguar diagnostic tools and procedures, which this manual would detail.
Searchable:
Implied by PDF format, though not explicitly stated as text-searchable
Offline Access:
Yes, once downloaded.
Printability:
All pages printable, allows for enlarged copies
Binding Type:
Digital (no physical binding)
Paper Type:
N/A (digital)
Software Requirements:
Adobe PDF Reader, Winzip (Windows Vista32/64, XP, ME, 98, NT, 2000), Mac compatible
Engine Family:
Jaguar AJ6 (likely, for 1985 XJ40 models)
Engine Displacement Options:
Likely 3.6L Inline-6, potential for 2.9L V12 depending on exact 1985 spec variant.
Horsepower Range:
Typically in the 170-220 hp range for early XJ40 models.
Torque Range:
Likely 200-250 lb-ft for early XJ40 models.
Fuel Injection Type:
Likely Bosch L-Jetronic or similar multi-point fuel injection.
Fuel Type:
Unleaded Premium Gasoline
Engine Codes:
Specific engine codes (e.g., V12 or various AJ6 designations) are detailed within the manual.
Transmission Type:
Likely ZF 4HP22 4-speed automatic
Optional Transmission:
Rarely, a manual transmission might have been an option in some markets, but automatic was predominant.
Transmission Fluid Type:
Dexron II or equivalent automatic transmission fluid (ATF), specific viscosity and properties detailed in manual.
Length:
Approximately 4,986 mm (196.3 in)
Width:
Approximately 1,793 mm (70.6 in)
Height:
Approximately 1,372 mm (54.0 in)
Curb Weight:
Approximately 1,700-1,800 kg (3,748-3,968 lbs)
Wheelbase:
Approximately 2,835 mm (111.6 in)
Safety Ratings:
Not applicable for era's testing standards; focus on passive safety features of the time.
Active Safety Features:
Anti-lock Braking System (ABS) often standard or optional on later models, but may be less common on early 1985 models.
Passive Safety Features:
Energy-absorbing steering column, reinforced passenger cell, front and rear crumple zones, seat belts.
Infotainment System:
Basic AM/FM stereo radio with cassette player, likely with a separate amplifier. Speaker system was usually premium for its time.
Driver Assistance Features:
Cruise control, trip computer (on higher trims). ABS was an early form of driver assistance.
Connectivity:
None by modern standards. Primarily mechanical and basic electrical systems.
Other Technology:
Electronic climate control (ECC) was a significant feature for its era, offering automatic temperature management.
Oil Change Interval:
Typically 3,000-5,000 miles or 6-12 months, depending on driving conditions. Specifics in manual.
Transmission Fluid Change Interval:
Around 30,000-60,000 miles, or as specified for preventative maintenance. Manual is crucial here.
Engine Oil Specification:
Likely SAE 10W-40 or 15W-50, depending on ambient temperature. API SG or similar service classification. Exact spec in manual.
Coolant Specification:
Ethylene glycol based antifreeze, usually a 50/50 mix with distilled water. Specific Jaguar formulation may be required.
Brake Fluid Specification:
DOT 3 or DOT 4 brake fluid, hygroscopic and requires periodic replacement.
Power Steering Fluid Type:
Specific power steering fluid type as recommended by Jaguar, likely a Dexron-type fluid or a proprietary formulation.
Common Issues:
Head gasket leaks (especially on early AJ6 engines), electrical gremlins (body control module, wiring harnesses), suspension component wear (bushings, ball joints), rust in common areas (wheel arches, sills, subframes), potential headliner sag, early ABS issues.
Specific Maintenance Notes:
Crucial to follow the correct procedures for the self-leveling suspension if equipped (hydraulic system), and the electronic climate control system.
Brand Heritage:
Jaguar has a long-standing reputation for luxury, performance, and elegant design in the automotive industry.
Model Evolution:
The XJ40 represented a significant departure from previous Jaguar XJ designs, featuring more modern styling and engineering, marking the end of the Sir William Lyons era designs. It introduced advancements in aerodynamics and chassis design.
Production Years:
1986-1994 (the 1985 model year would be the very first production year or pre-production)
Manufacturing Location:
Coventry, England
Automotive Journalism Reviews:
While specific awards for the 1985 model are scarce, the XJ40 generation was generally praised for its ride quality, handling, and refined interior, though early models faced criticism for build quality and reliability compared to German rivals.
