Question about 1996 Jaguar Xj Series

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Gearbox Fault Hi There, The auto gearbox appears to slip in and out of engagement (revs suddenly raise whilst speed stays constant). It always drives and changes as it should from cold. When warm it starts to play up and is worst when above 2000 revs it feels as if it slips and revs rise accordingly. The next time its used it starts off ok again until up to temperature. Car is well looked after and has 60,000 miles on it. Gearbox oil is clean and does not smell burnt or appear to have any water present. The gearbox oil level has been checked and is good. A gearbox specialist has fitted new clutches as a possible solution (at great expence) but the fault is still present. Any help/advise much appreciated, Thanks Gary

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  • lecnc30 May 31, 2009

    Thanks for the response. The gearbox warning light will come on once the fault has been present for perhaps 5 minutes or more. If driven gently it will prevent the light from coming on, if more load is applied to the engine or the car is driven hard the warning light will come on sooner. Once the light has illuminated the fault will continue for a short while before the car goes into limp home mode.

  • Michael Masters
    Michael Masters May 11, 2010

    dose the gear box light come on during a incline or driving up a small or large hill?



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Posted on Jan 02, 2017

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SOURCE: Gearbox fault of Jaguar S Type

unfortunately when that code, and that gear box fault light comes on, its pretty much game over for the transmission. It only a matter of time before performance of the transmission gets worse and worse. BUT that transmission is VERY easy to replace, i would check out a few trustworthy independent shops to give you a better price! I am usually a die-hard dealership, having been working at this jaguar land rover dealership for the last 2 years, but you are pretty much for sure going to be a cheaper price on the labor and like i said it is a pretty easy task.

My only precaution MAKE SURE IF YOU GETTING A USED TRANSMISSION THAT YOU GET SOME TYPE OF WARRANTY ON IT. Too many times have I seen customers loose thousands of dollars paying someone to put a used engine or transmission and have it fail almost right away.

Posted on May 10, 2009

  • 52 Answers

SOURCE: Jaguar X SE 2.5 gearbox problem

hey johnhoile,

Sorry to break the bad new to you, put you most likely need a transmission depending on what codes are stored in the system. I have dont numerous automatic transmission on x-types all they all started with a gear box fault light on.

If the codes have something to do with a incorrect gear ration that is a guarantee red flag for a new transmission

Posted on May 12, 2009

  • 3 Answers

SOURCE: jaguar s-type gearbox fault when on motorway

Check under the driver side fuse box which below left of the steering wheel if there is any dampness then it s screwing the ecu,this could be due to a seal leak in the window or holes near the axle.ALso the transmission needs fluid to be change as most jag trans fluid need replacing before 75k, clearing the codes will clear the engine light which also improve the cars shifting.

Posted on Jun 13, 2009

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SOURCE: 1997 Jaguar XK8 "Gearbox fault" (Auto) doesn't want to go

I'm not familiar with the jag but my ford is similar( no dipstick). I'm led to believe these are designed to prevent overfilling, which can blow out the seals. I undo the top pipe which goes to my radiator to cool the trany fluid, then get a 1/2 metre length of plastic tube to fit between the disconnected pipe and a 1 litre bottle of fluid. I then squeeze the fluid in that more than a litre at a time, then try driving it again..Hope this helps.

Posted on Sep 11, 2009

  • 1 Answer

SOURCE: Gearbox fault of Jaguar S Type

The engine light and gearbox fault code has come across my dash, and my car was riding a bit rough (sluggish)****. I went and got a diagnostic test and it said to be the catalyst convertors. I went to get that fixed and the engine light has removed itself but the gearbox code is still on. And it don't ride as rough jus acouple of jerks here and there. Does anyone have any suggestions?

Posted on Sep 29, 2009

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niiiccceee. This unfortuately sounds like you have an issue with transmission/ gearbox and clutch; and I will explain.

As you well know as a driver, your car needs and engine; this is as you know provides your output, but before your car can even go anywhere, the gearbox needs to be engaged by a clutching method. Now it is possibly the clutch here that is defective. Firstly, if there is oil, grease or excessive wear on the clutch, it will not engage the transmission properly, and as a result, will slip. You will notice an increase in engine revolution speed, and your car will appear to be travelling much slower; eventually your clutch will wear out so much that you will loose all direct drive in all gears. The only way to resolve this is to remove the gearbox and clutch unit and inspect them. If anything is worn or damaged, then it will need to be replaced. My advice is take this car to a garage and get a quote; also get a quote from parts suppliers for this make and model of car. Now things might get a lot more expensive if you have an automatic gearbox, but even so, to me this points to a mechanical fault involving transmission, of which it is likely that the clutch is the liability, but even so, it is worth getting the gearbox and engine checked and serviced.

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