Question about 1990 Jaguar Vanden Plas
Last year I changed the ATF and Filter, using Castrol Domestic Multi-Vehicle ATF and added Lucas Automatic Transmission Fix to ease the slight lurch between gear ranges. Drove 3000 miles without incident. There was no detectable variation in shifting. Car sat in an unheated, but dry garage over the winter and was fired-up twice for about 45 minutes each. Still no problem. Now, when I tried to get it out, there is a harsh rasping sound when the car is in Park and I cannot shift (J-shift) into any gear. (Based on other posts, I noted the brake lights work and there are no faults registered.) If I force it into Reverse (with considerable strength), the noise is extremely loud, as if a manual gearbox is mis-shifting. When I put the gear selector between Park and Reverse, all harsh noise is gone. I would have thought I'd gummed something up with the ATF change, except it ran fine for so long, so I think it may have more to do with bad gear indexing. Your thoughts? Thank you. Regards Richard
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Posted on Jan 02, 2017
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
First off check the battery. Try and jump start it. If that does not get the vehicle running you may have a problem with your J gate as it will not start unless in park or neutral. If an internal electrical fault has happened then the micro swith may not send a signal to the ecu to allow the car to start. the J gate is the gear selector by the way
Posted on Mar 06, 2010
The only thing that will cause a cruise control fault is a loose vacuum hose ussually on the breather hose coming from the valve cover in front to the throttle body. As for the remainder, shut off the car and restart to get you home and avoid the limp home mode. That in itself is an electronic fault in the ground system. Check you coils or replace them with a new set of plugs (autolite double platinum recommendes.) Clean any grounds you may have and then start you engine. You will notice there is no problem then. Run a diagnostic tool to see if there is any fault with grounded sensors like the O2 to keep that from happening again. Don't get the tranny replaced cause thats all the dealership wants to do and charge you $5k. Its not the actual cause. Good luck and let us know if there is anything else we can do here at fixya.
Posted on Jan 12, 2011
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