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Old 09-19-2006, 09:06 PM   #1
disco steveo
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Question 02 discovery transmission problems!!!!!

Hey guys!
I am new to this site and I just recently bought my first Rover. It is a 2002 Discovery SE with 73,000 miles. Today on my way to work the transmission started acting up. It started shifting really hard and then the manual and sport light started flashing. As of now it will hardly move. When it does move the engine revs high and wont shift right.
Has anyone out there had this problem? Book says an electrical fault. I am hoping that is what it is and not a major transmission problem. any help would be appreciated.
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Old 09-19-2006, 09:10 PM   #2
BaldEagle
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Default Re: 02 discovery transmission problems!!!!!

the book says "electrical fault" for pretty much everything. thats just how they get you to bring it in. to me it sounds like the transmission is shot. but i'm sure someone will know alot more and chime in. whats the fluid level?
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Old 09-19-2006, 09:24 PM   #3
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Default Re: 02 discovery transmission problems!!!!!

You can say that again! It has the manual/sport transmission and I have looked all over to find if anyone had the similar problems. I haven't checked fluids yet. Will do first thing tomorrow. It ran great with no symptoms until today. I have a gut feeling that this is going to be expensive.
Thanks.
Steveo'
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Old 09-19-2006, 09:36 PM   #4
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Default Re: 02 discovery transmission problems!!!!!

well, fluids should really be the first thing you checked.......
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Old 09-19-2006, 09:52 PM   #5
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Default Re: 02 discovery transmission problems!!!!!

Sounds like it found something wrong and it locked itself into limp home mode. You have a rave CD or service manual and a way to read the codes?
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Old 09-20-2006, 09:47 AM   #6
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Default Re: 02 discovery transmission problems!!!!!

do a search here on the old flashing 'm' and 's' - mucho info.
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Old 09-20-2006, 11:48 AM   #7
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Default Re: 02 discovery transmission problems!!!!!

Man, I didnt realize this was that common of a problem. It sounds like it could be anything from a battery to sensors, to bad tranny. I started it up this morning and still have the same problem. Revs. high but will hardly move.
Thanks for pointing in the right direction!
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Old 09-20-2006, 11:51 AM   #8
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Default Re: 02 discovery transmission problems!!!!!

i hate to say it but unfortunately yours sounds worse than the others.

What about changing the fluid - there was a rather lengthly discusssion on this before but since you alreay have the problems......
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Old 09-20-2006, 02:26 PM   #9
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Default Re: 02 discovery transmission problems!!!!!

i have some intermittant problems similar to above. how do you check the fluid level in a 00 disco? and if low, what kind of fluid to you add. or would you just drain fluid and fill up with new?
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Old 09-20-2006, 02:31 PM   #10
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Default Re: 02 discovery transmission problems!!!!!

Quote:
Originally Posted by lobopac
i have some intermittant problems similar to above. how do you check the fluid level in a 00 disco? and if low, what kind of fluid to you add. or would you just drain fluid and fill up with new?
Gonna need a tranny....
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Old 09-20-2006, 08:08 PM   #11
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Default Re: 02 discovery transmission problems!!!!!

Quote:
Originally Posted by mistered
Gonna need a tranny....
care to elaborate?

how do i add fluid or drain and add fluid?
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Old 09-20-2006, 08:42 PM   #12
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Default Re: 02 discovery transmission problems!!!!!

The box is electronically controlled. If you lose all electrics, you have mechanical third and reverse. Flashing M&S means there's a code. I think you'll find incorrect ratio. If it revs and does not move forward, that's not good news. Unplug the trans ECU. (Under the drivers seat) If you have good forward (remember, it's in third) there's hope. If it still slips, it's toast. Forward clutch is applied in all forward gears. It can be renewed without overhauling the entire box, but your wrench will have to discuss that with you.
The naysayers will say it's not possible to Band-Aid it, but it's been a steadily improving soft spot on this box for 25 years. I replaced the forward clutch on my 1984 BMW and got another 160K out of it before the box finally expired at 250K. I have patched them on many occasions, and they last for years. YMMV.
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Old 09-20-2006, 08:48 PM   #13
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Default Re: 02 discovery transmission problems!!!!!

You really need to have someone pull the codes out of it. Could end up being as simple as a wiring issue, solenoid fault, etc.. And if not...I hope you've got some Vaseline...
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Old 09-21-2006, 10:39 AM   #14
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Default Re: 02 discovery transmission problems!!!!!

do a search for changing the tranny fluid. Straightforward.

two plugs - one fill on the upper front and one on the bottom. Loosen the fill first just to make sure you can get it off - if you do it all the way .... here comes the fluid.

Undo the drain and allow fluid to drain. Tighten the drain plug. Use a pump to fill until a little seeps out. Start the engine, step on brake, go through R,N,D,3,2 (don't drive it) a couple of times. Leave engine running.

Continue to fill more now. Should get a total of about 5 quarts (more or less) in there total. You will not get all the fluid out of there unless you have someone do a flush.

Sounds like these other guys have a little better handle on what's going on.

Good luck and let us know what happens.
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Old 09-21-2006, 08:10 PM   #15
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Thumbs down Re: 02 discovery transmission problems!!!!!

Hey guys,
Thanks for all your input. I havent had time to look at it much. Im hopeful that the tranny isnt bad. I started it up and drove it. Lights werent on, Took off ok but as soon as it tried to shift the lights came on and it kind of jerked when it shifted. Reverse works fine. I dont have a repair manual yet. Is the tranny ecu under the amp? I live so far from a LR repair shop and not sure if anyone local will even look at it. Can anyone with a OBD11 check the codes? And if so, How much will it really tell them? Oh, by the way I now have a check engine light, downhill descent, and a ABS light on. Im not comletely illiturate when it comes to automobiles but Im not sure were to start on these.
Thanks again for everyones help.
Disco Steveo'
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Old 09-21-2006, 09:05 PM   #16
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Default Re: 02 discovery transmission problems!!!!!

Quote:
Originally Posted by disco steveo
Is the tranny ecu under the amp?

Yes. Try that route first. A tranfusion won't help a cadaver.
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Old 09-21-2006, 09:32 PM   #17
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Default Re: 02 discovery transmission problems!!!!!

Hi I recently had the same issues with my trans on my 02 d2, I Had a local (very good) Trans shop Not LRNA look at it and was told the ZF tranny is common to a lot of vehicles and they could fix it which they did by repairing the selector switch on the side of the case and doing the normal maintenance on it.... Later due to my stupidity I destroyed the trans by improper towing and got a replacement thru tidewater for both the trans and transfer case which again was serviced and installed by my local guy. Tide water's John Miller was super to deal with if you need a trans... $1500.00 for both units.
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Old 09-22-2006, 06:28 AM   #18
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Default Re: 02 discovery transmission problems!!!!!

But for around the same dough, you can get a ZF reman from a ZF authorized dealer with a 1 year unlimited mileage warranty. You already have a used one.
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Old 09-22-2006, 06:58 AM   #19
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Default Re: 02 discovery transmission problems!!!!!

There were several TSBs on the DII trannies. Ranging from bad selectro switches to bad wiring harnesses to ECU faults. IT may be worth your time to call a dealer, give them your VIN and ask them if there are any open TSBs on your VIN range. while they won't fix it for free like if it were a recall, at least you'll know it might be a common failure that is easily diagnosed and repaired.

Also, sometimes, a bad or really weak battery can cause the same types of faults.

Let's not give up on it completely-yet.
Jeff-can you find the TSBs for things like the harness?
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Old 09-22-2006, 07:39 PM   #20
disco steveo
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Question Re: 02 discovery transmission problems!!!!!

Hey guy's,
Where can I find a good manual? I have seen a bunch of cdr's on ebay ranging from 30.00 to 5.00 dollars.
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Old 09-23-2006, 02:01 PM   #21
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Default Re: 02 discovery transmission problems!!!!!

How long ago did you buy it? Every state has lemon laws and chances are that monkey bastard rigged your disco for a quick sale. You want the RAVE manual. Call john at tidewater rovers. He'll send you ONE FOR FREE. He may even have som more advice for you.

Any local auto store will rent to their code reader. Get them and post them here.

There's a SLIM CHANCE that your dash looking like a christmas tree is an indication that youve got some fucked up wiring and malfunctioning ecu's.

However, start with changing the fluid. you may be dry. 2 plugs underneath. one to drain. one to fill. make sure the pan gasket isn't blown and the source of your leak. . .
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Old 10-01-2006, 06:25 PM   #22
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Default Re: 02 discovery transmission problems!!!!!

Hey guy's,
I finally was able to get the codes read. The scanner showed 4 codes.
The first was P0722 speed sensor circuit, P0340 cam position sensor,P0560 system voltage malfunction, and P1536 controlled vehicle auxillary manufacture speed/idle control. I reset the codes and took it for a drive to see if this would help, The M and S started flashing again but the only code that came up was P0722. Does anyone out there have a good understanding of these codes? Transmission still the same. No codes that say anything about tranny malfunction. I m almost positive it is electrical. I've seen and felt bad trasmissions and this doesnt seem like one. Its like some signal is keeping it from shifting.
Any help is greatly appreciated.
Steve
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Old 10-01-2006, 08:38 PM   #23
DOHC Holliday
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Default Re: 02 discovery transmission problems!!!!!

Quote:
Originally Posted by disco steveo
I've seen and felt bad trasmissions and this doesnt seem like one. Its like some signal is keeping it from shifting.
That's because it's in failsafe. I haven't done an electric ZF in a while so I cant remember if it uses both an input and an output speed sensor, but it should have both to monitor ratios. You've really got to get it to a shop that can put it on their scanning equipment to watch the sensors and see if they are reading properly. You could get lucky with a bad connection somewhere, a wire rubbed through, a failed sensor, etc...
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Old 10-02-2006, 02:00 PM   #24
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Default Re: 02 discovery transmission problems!!!!!

I should add this as well...
Quote:
Originally Posted by disco steveo
P0560 system voltage malfunction
This could be important. Check your voltage. I had a car(late model Protege) come in with a similar code and the trans was in failsafe. The thing was running at 18 volts. I disabled the alternator and voltage dropped back down to normal and the trans worked 100% on a brief road test. That's honestly all the info I have on that car though. It was a job from a local garage and they picked the car up to correct the voltage issue themselves.
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Old 10-02-2006, 07:40 PM   #25
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Default Re: 02 discovery transmission problems!!!!!

Thanks for the info.
I called the LR dealer in St louis and they told me it was a 90% chance that it was the turbine sensor? Does anyone know where that is located? It doesnt show it on the rave cd.
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