Technical & Originality

XK Cylinder Head Repair

Variable Valve Timing for the XK Engine: Part 2, It Runs!

Positive to Negative Ground Conversion

Electrical Gremlins

Variable Valve Timing in your Twin Cam Jaguar Future ?

Tuning the Lucas Distributor

Ignition Advance Curve Requirements

Lucas Wiring colors

Cooling Faq, Part 2: Coolants- Better Living Through Chemistry

Cooling Faq, Part 1: Aftermarket Fans

SU Carburetors Notes

How to Bleed Your Brakes

The DTC Summaries and codes for various model years of Jaguar cars are available here. The documents are PDF files that can be downloaded and used by you locally. 

These summaries provide additional information for fault codes and are useful in diagnosing potential issues on your Jaguar.

Files are available for

S-Type Model Year 2000

X-Type Model Year 2002

XK-Type Model Year 2003

XJS, XJ6, XJ12, XK8, XJ8, XJR Model Year 1995 - 2002

Mark VII, VIII & IX Originality Guidelines

Jaguar XK120 DHC /Installing the Soft Top and Headliner

DIY Timing Chain Tensioner Tool for Jaguar XK Engines

DIY Timing Chain Tensioner for XK Engine

Jaguar Model Guides : The XK120 - 150

The Long Journey to Get a Classic Back on the Road

S-Type Sunroof

Stromberg Carburetors, or what I found to make my Series 2 run great!

Spare Parts Storage on an E-type

Troubleshooting the E-Type Horn (50th in a series)

E-type 5 Speed Conversion

Converting SU Carbs to Grosse Jets

Alternator Upgrade for Series II E-Type

DIY Wilwood Brake Upgrade for S I E-Type

Series 1 E-type Alternator Upgrade

Series 1 E-type Radiator Upgrade

E-Type Rear Wheel Steering, a Solution

Series 3 E-Type Headliner

Jaguar Model Guides : The E-type

IEJC Jaguar is Star of New Chanel Campaign

Jaguar Model Guides : The XJS

XJS Hood (Top) Control Modification

XJS Performance Upgrades

Top 20 Repair Items for XJ6 Owners

Jaguar Model Guides : 1968 - 1994 XJ Saloons

XK8/R Rear Sway Bar Modification

V8 Chain Tensioners Problems

98-99 XJR EGR Pipe Service Action Bulletin

Requests for changes and or updates to any of the published JCNA Judging Guides should be sent to the following: jsambold@coventryfoundation.org.

The submission must include the citation of the exact place in the specific Judging Guide and version, page number, paragraph, sentence, and or image in question.

The submission must also be accompanied by full documentation supportive of the requested change or update with the source of accompanying documentation provided. Any submission that is received incomplete will be returned.