JaguarXJ81999Overview/jaguar/xj8/1999/base/

1999 Jaguar XJ8

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 1999 XJ8.

Transmission Automatic 5-spd

Defined by its 5-speed automatic transmission and an EPA-estimated 18 combined mpg, the 1999 Jaguar XJ8 is a model where the engine and engine cooling system emerges as the top complaint area among 11 total owner complaints and one recall. Situated within the broader 1998-2006 model history, this year represents a substantial reliability leap from the 84 complaints of the inaugural 1998 model. This means that while the most severe initial production flaws were largely ironed out, the vehicle had not yet achieved the peak reliability reflected by the model's lowest complaint count of just 4 in 2006.

Model year200920082007200620052004200320021999

Quick specs

Fluid capacities, tune-up values and fuel economy at a glance.

Lug nut torque75 ft-lbsOEM · verified
EPA fuel economy15/22/18 mpgEPA · verified

Fitment & sizes

Replacement part sizes and factory part numbers — battery, bulbs, filters and belts.

From the factory this vehicle uses a BCI 49 · 680 CCA battery, OE oil filter EAZ1354. Each part links to every other vehicle that shares it, so a part you already stock may fit more of your fleet than you'd expect.

Battery groupBCI 49 · 680 CCAOEM · verified
Tire size225-60ZR16OEM · verified
Wheel / rim7-J inOEM · verified

OE service part numbers OEM · verified

Engine oil filterEAZ1354
Engine air filterNJA3558AA
Fuel filterC2C35417 alt NJB6091AA
Spark plugC2A1535
BatteryC2D61169
Front wiper bladesGJA8960BB
Serpentine beltNCA2211AC
ThermostatNCA2246BA alt AJ86484

Full specifications

Engine, drivetrain, dimensions and economy.

Engine & drivetrain NHTSA vPIC

TransmissionAutomatic 5-spd

Dimensions & weight NHTSA vPIC

Overall length197.6 in
Overall width70.9 in
Overall height52.8 in
Wheelbase113 in
Curb weight8682 lb
Track (front / rear)59.1 / 59.1 in
Weight distribution (front / rear)52/48

Ratings & economy EPA / vPIC

EPA city / highway / combined15 / 22 / 18 mpg
DrivetrainRear-Wheel Drive
Passenger volume94 cu ft
Cargo volume12 cu ft
Recommended fuelPremium Gasoline

Service quick specs OEM factory data

Capacities, torques and tune-up values from the factory service manual.

This engine USE SHELL SPIRAX TS90 OR EQUIVALENT in the differential, DOT 4 brake fluid. Torque lug nuts to 75 ft-lbs. The firing order is 1-5-4-2-6-3-7-8.

Lubricants & capacities

Brake FluidDOT 4
Differential Gear OilUSE SHELL SPIRAX TS90 OR EQUIVALENT
Differential Gear Oil Capacity3 Pints
Power Steering FluidATF

Engine torques

Camshaft Bearing/Carrier Cap Bolts or Studs8.0 ft-lbs
Intake Manifold to Engine Bolts15-16 ft-lbs
Exhaust Manifold to Cylinder Head Bolts13 ft-lbs
Oil Pump to Cylinder BLock Bolts/Studs9 ft-lbs

Chassis torques

Lug Nuts75 ft-lbs
Rear Wheel Hub236 ft-lbs

Ignition

Cylinder Firing Order1-5-4-2-6-3-7-8
Spark Plug Gap0.035-0.039 in
Spark Plug Torque11.0 ft-lbs

Battery & A/C

RefrigerantR134a
Refrigerant Capacity1.42-1.53 lbs
Oil TypePAG
Oil Capacity5.44-6.80 oz
Standard BCI Group Number49
Standard BCI Cranking Performance680 cca

Service checks

Injector Primary Resistance12-18 ohms
Intake Valve Lash0.0008 in
Exhaust Valve Lash0.0014 in

Brakes

Torque Caliper to Bracket40-120 ft-lbs / 18-22 ft-lbs
Torque to Knuckle94 ft-lbs / 40-52 ft-lbs
Rotor Runout Limit0.004 in / 0.006 in
Rotor Nominal Thickness From1.103 in / 0.768 in
Rotor Nominal Thickness To1.103 in / 0.768 in
Rotor Discard at or Under1.024 in / 0.728 in

Factory maintenance schedule OEM · verified

Normal service, condensed from the factory interval matrix.

Under the factory schedule, replace the engine oil and filter every 10,000 mi; spark plugs every 100,000 mi; coolant every 10,000 mi. The big-interval services (every 10,000 mi for coolant, and the transmission fluid) are the ones owners most often skip — on a lower-mileage example, assume the original fluids are still in it and check them first.

Every 7,500 miRadiator (clean)
Every 10,000 miBattery (inspect electrolyte level) · Brake Line (inspect) · Brake Linings (inspect) · Driveshaft U-Joint (inspect) · Engine Coolant System (leak inspection) · Engine Oil (drain & refill)
Every 15,000 miUnderbody (inspect)
Every 30,000 miBrake Hydraulic System (drain, refill & bleed) · Engine Air Filter Element (replace)
Every 40,000 miWindshield Wiper Blade (inspect)
Every 60,000 miFuel Filter (replace)
Every 70,000 miCabin Air Filter (replace)
Every 100,000 miAccessory Drive Belt (inspect) · Spark Plugs (replace)

Reliability & federal safety record

Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.

The 1999 XJ8 shows a dramatic drop in complaints (11) compared to the preceding 1998 model (84), suggesting a meaningful improvement in early-life reliability or a smaller reporting sample. However, the 1999 model still carries one recall and the same number of technical service bulletins (13) as other years, indicating persistent service needs across the generation. Complaint volume rises slightly in 2001 (14) before falling to 4 in 2006, so 1999 sits at a low point in the complaint curve. The top complaint areas are engine and powertrain, with one crash complaint and no fires reported. While the data does not specify root causes, the sharp reduction from 1998 makes the 1999 a relatively better choice within the early years of this generation, though the constant TSB count means you should still budget for common repairs.

1
Open recalls
NHTSA campaigns
13
Service bulletins
Manufacturer communications
0
ODI investigations
Office of Defects Investigation
11
Owner complaints
1 involved a crash · 0 a fire
Owner complaints by model year NHTSA · this generation & adjacent

Owner complaints filed with NHTSA, by component

All 11 complaints on record, top 4 components.

Engine & Engine Cooling5
Power Train4
Air Bags1
Fuel System, Other1

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

Showing 1 of 1 campaigns on record for this vehicle.

06E043000Fuel System, GasolineReported 19/05/2006

CERTAIN REPLACEMENT FUEL FILTERS, FRAM BRAND NAME P/N G3727, WITH DATE CODES X52911 THROUGH X60801 SEQUENTIALLY OR X600141 AND A MEXICO COUNTRY OR ORIGIN MARKING ON THE FUEL FILTER HOUSING MANUFACTURED FROM OCTOBER 18… Remedy: HONEYWELL WILL NOTIFY OWNERS AND REPLACE THE FUEL FILTERS FREE OF CHARGE. THE RECALL BEGAN ON OCTOBER 18, 2006. OWNERS MAY CONTACT FRAM CUSTOMER SERVICE AT 1-800-890-2075 (OPTION…

Technical service bulletins NHTSA · verified

Showing 5 of 13 bulletins on record with NHTSA.

BulletinDateComponentSummary
SSM59597Attachme2021-04-14Electrical SystemAttachment.
SSM59597Attachme2021-04-14Electrical SystemAttachment.
SSM59597Attachme2021-04-14Electrical SystemAttachment.
SFCC_09AUG18_REV2018-08-20Electrical SystemA customer may report "Hood Open" message displays on IP with hood closed.
SFCC_09AUG18_REV2018-08-20EquipmentSIM card activation issues

Common OBD-II trouble codes

The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.

P0420
Catalyst system efficiency below threshold — Bank 1
P0300
Random / multiple cylinder misfire detected
P0171
System too lean — Bank 1
P0455
Evaporative emission system leak detected — large leak
P0128
Coolant thermostat below regulating temperature
P0442
Evaporative emission system leak detected — small leak

VIN tools

Decode factory build data for a specific vehicle by VIN.

VIN
Decode a VIN to confirm the transmission and build data for a specific XJ8. OEM
Build data
Plant, GVWR class, engine and body data for any 17-character VIN.
Recalls
Check open recall campaigns against a specific vehicle by VIN.

Vehicles with shared specs

Find every vehicle that shares this one's battery, bulbs, oil capacity, platform or parts.

Reference guides

Cross-vehicle references for the kinds of data on this page.

Frequently asked

Does the 1999 XJ8 have open recalls?

NHTSA lists 1 recall campaign(s) for this model year. Check your specific vehicle by VIN.

What gas mileage does the XJ8 get?

EPA figures are 15 city / 22 highway / 18 combined mpg.