2004 Jag S type 3000 auto. Parking brake will occasionally operate correctly, but usually shows a warning failure on the dash. The disc park brake does not come on when the warning is present, but the park brake on the auto box is OK. I have replaced rear pads with no effect, although they were due for replacement. I hoped that worn pads were the cause, but no such luck!
When you replaced the pads did you make sure that the sliders were free if they are partially siezed it gives the the signal to the parkbrake module that the movement is excesive , but also at your model/year there was a prob with the parkbrake motor going bad or the wiring to it chaffed on the rear subframe try to get the fault codes out of the parkbrake module using a obd2 code reader that may have the clue to recalibrate the parkbrake disconnect the battery for 10 mins reconnect apply footbrake with ign. on and work parkbrake on/off 3or4 times
SOURCE: Jag S Type won't start,alarm sounds lights flash fault messages
try taking the negative off the battery for 20 secs then put it back on and try it
SOURCE: Parking brake on my 2004
It is possible that the handbake cable is wrapped around the wrong side of the sway bar link rod N/S rear, while looking at it on ground behind car cable should sit on top not behind link rod
SOURCE: Brake pads worn, making audible noise.
No special equip. needed. Replace pads with correct type.The discs on a 2004 should still be okay and not need replacement. Be carefull of wires to ABS sensor. Make sure that the fluid level is low enough in the resevoir to allow for the increase in level caused when the new pads are fitted.
SOURCE: my parking brake will not relase on a Jag xk8.
I worked in a Jag shop back in the '70's in Los Angeles, but I'm from New England, where this is a BIG problem, unless you use the parking brake ALL the time. Actually this is true for all vehicles!
If the case is that you don't usually use the parking brake, and then you go to use it, it will sometimes lock on due to rust, corrosion and dirt in the cable.
SOMETIMES, if you are very lucky, you can drown the cable in WD-40, soaking it several times a day, from inside the car, and under the car as well, if you can get to it.
Each time you do this, hold the release button and work the lever over and over so that maybe it will release.
If this doesn't work, then you have to replace the cable.
Sorry that it's not an easy fix. Ultimately you might have to have it towed to a dealer or shop to replace the cable.
Final thought... sometimes the problem is with the levers on the brake assemblies, that can stick. If you can get to them, give them a slight 'tap' with a hammer to see if they will suddenly snap open. Make sure the brake lever is down and the button is held in by a helper.
If this is the case, a VERY light squirt of lube at the pivot points might keep it from sticking again, but be sure to use the parking brake often.
If the car is an automatic, the device that 'locks' the transmission when it's in 'Park' is called a parking pawl. It is a small steel pin about 1/8" to 3/16" that gets shoved into a parking gear slot. This is what keeps the car from rolling, so it's VERY important to use the parking brake to assist this, especially when someone bumps the car a little when they are parking their car! Oh, and the parking pawl is most times the first thing into the tranny when assembling it, so it'a lot of work to replace one.
Good Luck.
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you say you replaced the pads, did they fit okay? and have you checked cables and mech parts for freedom of movement etc.
If all okay, have you tried a recalibration to the electronic handbrake?
try disconnecting battery cables; it usually takes care of it.remember to follow procedure after reconnecting cables.your dash will guide you what to do.also you need to reprogram your power windows.
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