What should I know about the Jaguar XJ8?
Many (1997-2000) Jaguar XJ8s have engines that can fail when exposed to high sulphur fuel. Nikasil is a metal coating that some manufacturers used to line the inside of their engine cylinders….notably BMW and Jaguar. In theory nikasil is great. It’s lightweight, offers lower friction, and is generally hard wearing. HOWEVER………
What happens if a tensioner fails on an XJ8?
XJR8s are also susceptible but possibly to a lesser degree because they use a simpler timing mechanism. The tensioner’s job is to keep the timing chain tight. If a tensioner fails, the timing chain becomes loose and the chain can jump one or more teeth on the cogs in the engine. Apparently one jumped tooth results in rough running.
Why does my Jaguar XJ8 make a rattling noise?
Jaguar issued a Technical Service Bulletin (TSB) that addresses the issue. The TSB number is 303-30. Here is the text. Some vehicles within the above VIN range may experience a rattling noise when the engine is started. This noise may be caused by the secondary timing chain tensioners.
When to buy an XJ8 / xjr8 1997-2003?
Buy an XJ8/XJR8 that was registered after 1st January 2000. By purchasing a car registered after that date you bypass the 3 biggest issues. Your car has avoided high sulphur fuel, you have the upgraded (2nd generation timing tensioners), and your car won t stall on motorways (upgraded throttle body).
Many (1997-2000) Jaguar XJ8s have engines that can fail when exposed to high sulphur fuel. Nikasil is a metal coating that some manufacturers used to line the inside of their engine cylinders….notably BMW and Jaguar. In theory nikasil is great. It’s lightweight, offers lower friction, and is generally hard wearing. HOWEVER………
Buy an XJ8/XJR8 that was registered after 1st January 2000. By purchasing a car registered after that date you bypass the 3 biggest issues. Your car has avoided high sulphur fuel, you have the upgraded (2nd generation timing tensioners), and your car won t stall on motorways (upgraded throttle body).
Why is my XF Jaguar 3.0L not shifting?
Click to expand… I own a 2010 xf jaguar 3.0l automatic recently the gearshift could not come out and I phoned the dealership and they advised to replace the whole module which I did. Then after the module the car started taking too long intermetantely to shift.
When did Jaguar replace the Nikasil lining on the XJ8?
The replacement for a nikasil lining was a steel lining and Jaguar switched their production in August/September 2000 although the exact date is unknown. There is some confusion around the web about precisely which cars are affected.
Jaguar issued a Technical Service Bulletin (TSB) that addresses the issue. The TSB number is 303-30. Here is the text. Some vehicles within the above VIN range may experience a rattling noise when the engine is started. This noise may be caused by the secondary timing chain tensioners.
What to do if your 1998 XJ8 Rattle?
My 1998 XJ8 3.2 had this rattle. The best way to hear the rattle is to open the bonnet, and get someone else to start the car while you listen at the front of the engine. Make sure you have left the car overnight (really overnight) so that the tensioners have lost all their pressure.
Can a blow by test be done on a Jaguar XJ?
There are several examples of XJ owners with FXXXXX VINs who have had their liners inspected and found the liners to be nikasil. Jaguar dealers can perform a test to check for premature engine wear due to nikasil issues. It’s called a blow-by test. If you buy an early car from a dealer, make sure this test is gets done.