Hello Honourable members,
Yesterday I introduced myself to this forum as Comrade Gibby. I also brought with me a cargo of gearbox fault on my dashboard on my just bought Jag s type 3.0 L 2003. Gear stuck in 4th but can engage reserse fine.

Today I took the car for scan and got the following codes:
Gearbox-P0730, P0736, P0732, P0731
Engine -P1582, also p0731, p0732

After clearing these codes, the car drives normal but the technician told me that I should not bank on it. He it needs to recondition the gearbox.

Please could anyone help me,what step should I take?
Thanks

 

Granger,

That selection is not good news:



The P07xx codes indicate ECM Torque signal fault or Transmission mechanical failure in various gears. The default action is to go into 'Limp Home' mode which is what your are experiencing with only one forward and the Reverse gear available.

The technician is suggesting the error codes will return and this is very likely.

I suggest moving this question to the S-Type section where you will get more input from members with the same model. Let me know if you want me to move it for you.

Graham

 

Thanks very much Sir, hope all will end up well.

 

Granger,

I've moved this from UK Region to S-Type section.

The guys here will be able to advise if a rebuild is the only answer.

Graham

 

Auto or manual? I guess auto (ZF 6HP26 if so).

Could just be a failing battery. See if the codes come back and which first.

I'd worry it may be low on trans oil but it's a pain to check. (See How Tos)

 

+1 on checking for a failing battery, the car can start fine and the battery seems fine, but may have a faulty/failing cell.

A failing battery on these cars can throw all sorts of codes, gearbox and handbrake codes seem to be the most common.

I have read story's of people spending hundreds to thousands when all it was was a failing battery.

Another thing to check is that the is no water or moisture in the spare wheel well, this is also known to cause fault codes.

 

+3 to checking battery for sufficient charge and/or weak cell and dry trunk wiring. These Jags require a bunch of battery volts and amps. If battery doesn't solve the plethora of lights and codes, then drop the trans. pan and inspect for at least 6 quarts of ZF specific trans. fluid that looks clear, sediment and debri free.

 

Hi hon members,
I really appreciate and thank you all hon members and the admin for your quick response to my thread, be you be blessed.

Just a quick feedback, today I was refered to the so called specialist, and he told me that the gearbox needs recondtioning. He told me that the problem was the solonoid and that has damaged some parts in the gearbox. When I asked him that why is it that after clearing the codes the car drives almost normally? He sounded somehow angry with me. And he told me that he knew what he was talking about.

The other strange thing is that the coolant tank seems to be overflooding. I tried to fill coolant just to the maximum, then after some drives, it floods but the temp is just normal.

And lastly, I'm finding problems to put in the details of my jag in the window you are instructing me. However, my jag is a jaguar s type v6 SE 3.0L automatic petrol 2003. date of reg 13/10/2003, mileage 128167. This is the info Iknow about the car.
Once again thanks

 

That sounds like a far more important problem. Also, if it reflects any engine problems then those can upset the gearbox.

I'd change mechanics.

 

Well a rebuild of the ZF 6 speed won't be cheap and I would start with something much more simple and less expensive!! It does happen but is not common so remember that when you get a recommendation to rebuild it.

First you have had several very good suggestions to change the battery but you still have not answered how old the current one is?? Replace it with the proper Bosch battery with a vent. The model number has been posted on here several times before. They are about $100 in the US.

After that I would get a small bit of oil from the transmission to take a look. If not black or full of metal I would do a fluid/pan/filter/sleeve/pan bolts change and make double sure the fluid level is correct. It's not easy to check it properly so don't take it to anyone that has not done a Jaguar S Type before!

Please read the very in depth threads on this forum about changing the transmission fluid first. Other people have gone before you and made mistakes. At this point there is no reason for you to do the same.
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I can see you're getting good advice on the gearbox issue but don't ignore the coolant problem. Jaguars can be seriously damaged by overheating.

I've put the vehicle details in your Signature for you. It should appear with your next post.

Graham

 

Technically there was no +2 before you so, I'm just helping with continuity.

Comrade G- you'd be surprised how many times we've seen horrible transmission or engine 'faults' magically disappear with a fresh battery. Try that first. The fact that the unit operates normally with cleared codes is significant.

Monitor the coolant level on a daily basis and tell us what it's doing- rise or fall.

 

Hello sir,
I took the car to a garage to check the battery, and it was revealed that the battery is very weak. So I'm looking for new battery. If I may ask, which could be the best model for jag s type?
Thanks very much for your contribution

 

As I posted above the Bosch battery is very good and many people on this list have it. You can find the model number with a quick search of the forum.
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Thanks very much sir, your the man of a good heart. May the dear Lord bless yyou sir.

 

If you don't install it be sure that who ever does connects the vent hose. It's very common to just throw it in without looking.

I like that the Bosch battery has a vent on either side of the case depending on what you need. I used the factory battery plug to plug the vent not used.
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Hello sir, thanks for ur concern, but could u pliz explain some few tips on how to connect the battery because I'm intending to it myself. And the other thing is, which is a better battery btn BOSCH AND EXIDE? Thanks

 

I can't really give you a good answer on that. Many people on this list including me are using the Bosch without problems and it fits perfectly.

I am sure there are other brands that will work and their part numbers have also been posted. I don't know which Exide battery is the correct one for our S Types.
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Once again thanks, I think I'll just go for bosch.

 

Just to finish this off I found some part numbers for you.

Bosch #49-850B in the states Pep-Boys carry this under SKU #9073755

Also Dura-Last from Autozone will work #H8-DLG. This battery has a bit less power and is a bit more expensive so I recommend the Bosch.

Both have been reported to work and fit properly. As always check your application to be sure.
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