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[cully]

HI guys , please excuse me now if this is either stupid or blatantly obvious but I have a rattle that is driving me nuts  My 97 facelift 4l xj hasdeveloped a rattle ,it sounds like it is under the truck around the front seat area , and it kinda sounds like a heat sheild kind of tinny rattle , it doesn't go with the revs and gear changes but is only there when the car is in gear and moving , cant get it to rattle & be identified when back wheels are off the ground . Also rattles in 2 and 4 wheel drive .Any thoughts cos my radio won't go up loud enough cheers   cully

[Bubba]

get under it and thump the cat  [exhaust silencer] sounds like the catalist breaking up inside to me its not uncommon if it is dont worry till you need  a new mot  but yes its a bit of a pain

[Bishops Finger]

Whilst agreeing with Bubba its also worth looking for a long leathery thing with fangs as well...ya never know...

[gazjeep]

I'm with Bubba as this happened to our TJ but also check the back box on you XJ.

The baffles broke up on my XJ, give it a thump, you'll know if it is this. If you buy a new one keep the receipt, the replacement on mine went the same way, as did its replacement. All replaced with the 2 year guaranetee 

[scotty]

a mate had this and it was the cat,we just shoved a self tapper in it and it shut up!! was ok untill next mot.



scotty

[wildrover]

Now theres a funny thing.....    I have a 97 xj  a 2.5 turbo diesal in fact , and i too have the same rattle you speak of....My days as a Landrover owner taught me that you should only worry when the rattle stops.....it means the loose bit has gone and dropped off....!

[greggmo]

your oil burner has no cat fitted.

[wildrover]

Thats right....i suspect in my case it may be the silencer baffles falling to bits......driving every day on Polish roads might have a lot to do with it....!