🏷️ Basic Information

Make:

Jaguar

Model:

XJ40 Saloon

Product Name:

JAGUAR XJ40 3.2 Litre, 4.0 Litre and 6.0 Litre SALOONS Vehicle Maintenance Sheet

Vin Range:

687219 to 708757

👋 Introduction

Positioning:

The Jaguar XJ40 represented Jaguar's flagship luxury saloon during its production era, competing with established German luxury marques.

Competitors:

BMW 7 Series, Mercedes-Benz S-Class, Audi V8/A8 (later models).

Design:

Distinctive modern styling for its time, featuring quad headlamps and a more angular silhouette than its predecessor (XJ-S inspired).

Technology:

Introduction of features like ABS, self-leveling suspension (optional/later models), and advanced engine management for its era.

📋 Manual Details

Engine Variants:

3.2 Litre, 4.0 Litre, 6.0 Litre

Body Styles:

Saloon

Estimated Pages:

Varies (as it's a maintenance sheet, likely concise; precise count not provided in product info, but indicative of service focus)

Type:

Vehicle Maintenance Sheet / Service Checklist

Description:

Designed for use by dealers; outlines required maintenance tasks for services, not a comprehensive repair manual.

Language:

English (Assumed based on product description)

Format:

Likely printed document (as is typical for dealer maintenance sheets). PDF not specified.

📖 Manual Coverage

Core Maintenance:

Engine oil and filter changes, air filter replacement, fuel filter replacement, coolant checks and changes, brake fluid checks, power steering fluid checks, transmission fluid checks, differential oil checks.

Electrical Maintenance:

Battery checks, lighting checks, wiper blade condition.

Chassis Maintenance:

Brake pad and disc inspection, suspension component checks, exhaust system inspection, tyre pressure and condition checks.

Scheduled Services:

Covers tasks for routine service intervals (e.g., 10,000 mile/12 month service, 20,000 mile/24 month service).

Inspections:

Visual inspections of key components for wear, damage, or leaks.

Depth:

Focused on routine maintenance and inspection points, not detailed diagnostic or repair procedures.

📊 Manual Specifications

Format Type:

Printed Document (assumed)

Quality:

Dealer-grade (designed for professional use).

Binding:

Likely stapled or bound for professional use.

Type:

Durable paper stock suitable for workshop environments.

⚙️ Engine Specifications

3.2L:

AJ6 3.2L Inline-6 (1987-1992 models, later replaced by 4.0L) - Approx. 200-220 hp

4.0L:

AJ6 4.0L Inline-6 (1989 onwards, became primary) - Approx. 220-240 hp

6.0L:

AJ16 6.0L Inline-6 (from 1993, essentially a bored-out 4.0L) - Approx. 245-326 hp (later supercharged variants)

Engine Layout:

Inline-6 (Straight-Six)

Valvetrain:

DOHC (Double Overhead Camshafts), 4 valves per cylinder

Injection:

Multi-point Fuel Injection (MPI)

🔧 Transmission

Gearbox:

ZF 4HP22 4-speed automatic transmission (common across most variants)

Gearbox:

Manual transmission (rare, primarily on earlier 3.2L models)

Transmission Control:

Electronically controlled automatic with sport/economy modes on later models.

📐 Dimensions

Length:

Approx. 5017 mm (197.5 in)

Width:

Approx. 1791 mm (70.5 in)

Height:

Approx. 1377 mm (54.2 in)

Curb Weight:

Approx. 1750-1900 kg (3858-4189 lbs) depending on engine and specification.

🛡️ Safety Features

Crash Test Data:

Limited formal crash test data available for the era compared to modern standards. Early adoption of safety features.

Braking:

Anti-lock Braking System (ABS) standard on most later models, optional/available on earlier ones.

Suspension:

Self-levelling rear suspension (optional on some models, standard on longer wheelbase versions).

Airbags:

Driver's side airbag standard from approx. 1990 onwards. Passenger airbag introduced later in the production run.

Seatbelts:

Seatbelt pre-tensioners (driver side) standard on later models.

💡 Technology Features

Audio:

Factory fitted Clarion or Alpine audio systems with cassette player and radio. Optional CD changer in later models.

Climate Control:

Automatic climate control system with cabin air filtration on higher specification models.

Cruise Control:

Standard on most models, electronic speed control.

Trip Computer:

Basic trip computer functions (average speed, fuel consumption, distance to empty) available on later models.

Phone:

Some later models offered integrated car phone systems (rare and dated technology now).

🔧 Maintenance

Oil Change:

Typically every 6,000-10,000 miles or 12 months. Refer to specific service schedule for exact intervals.

Major Service:

Includes replacement of spark plugs, fuel filters, coolant, and inspection of belts, hoses, and suspension components, usually around 40,000-60,000 mile intervals.

Engine Oil:

API SG or SH, SAE 10W-40 or 10W-50 (check owner's manual for precise grade and capacity).

Coolant:

Ethylene Glycol based, typically a 50/50 mix with distilled water. Jaguar specific coolant may be recommended.

Transmission Fluid:

ZF TE-ML 14A specification Dexron II or equivalent (check specific manual for Dexron III compatibility).

Brake Fluid:

DOT 3 or DOT 4 (check manual). Fluid should be replaced every 2 years due to hygroscopic nature.

Electrical:

Wiring harness degradation ('curing' issue), central locking problems, instrument cluster failures (JAGUAR's notorious 'peelers').

Suspension:

Hydraulic suspension fluid leaks (self-levelling system), worn suspension bushings.

Engine:

Head gasket issues on early 3.2L models, oil leaks from crank seals, timing chain wear on high mileage engines.

Bodywork:

Corrosion, particularly around wheel arches, sills, and boot lid. Leaks from sunroof seals.

📚 Vehicle History

Legacy:

Jaguar has a long history of producing elegant, high-performance luxury saloons, building on models like the Mark II and XJ series.

Xjs Influence:

The XJ40 shared some design cues and engineering principles with the XJ-S sports car.

Production Years:

1986-1994

Manufacturing Location:

Coventry, England

Vin Period Coverage:

The provided VIN range (687219-708757) typically covers models from the mid-to-late production years of the XJ40, likely from around 1990-1993, depending on specific build dates.

🏆 Awards & Recognition

General:

While specific awards for the XJ40 are less documented than its predecessors, it was generally well-received for its comfort, luxury, and performance, solidifying Jaguar's position in the luxury car market.

Reliability Perception:

Reputation for luxury and refinement, but often perceived as requiring more diligent maintenance compared to some German rivals, particularly concerning its electrical systems.