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Jaguar S-Type Transmission Problems

169 messages,  Last post on Oct 31, 2009 at 4:14 PM

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What is this discussion about? Jaguar S-Type, Jaguar S-Type R, Transmission, Sedan

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#162 of 169 Re: anyone own a 2003 S-type R? [jaymzs] by soberguyjaguar Oct 23, 2009 (8:47 am)
Replying to: jaymzs (Oct 23, 2009 7:50 am) Both transmissions in the 2003 S-types were ZF units. They switched from the 5R55N to the 5HP24 or the 6HP26 depending on the engine size. That is according to Mitchell Ondemand.; which I only have a subscription to in USA spec.s . Soberguy.
#163 of 169 Torqued by jadedjaglove Oct 29, 2009 (11:24 am)
Name says it all.....I love my 03 S-type 4.2L but it doesn't always treat me well.   Bought from a family member 16 months ago with 60k miles. I have driven it 30k miles during this time (mostly highway). Maintained by dealer under warranty and since. Car is beautiful and romanced its whole life.   During routine maintenance dealer found leaking transmission cooling lines and I paid the $1000 to have them replaced. I saw no signs of leaking on my garage floor nor did I experience driving symptoms but good professional mechanics proactively looked and found that issue.   Bizarre problem with rearview mirrors. Both arms corroded under visible shell and need to be replaced. ($831 each from dealer and $200 to install both). I'll buy used and refer to the service CD I have to install myself.   While I was waiting for Jag corporate to respond to my request for help replacing the mirrors (the decline eventually came). I got the dreaded amber gearbox fault error. When I restarted the car the message reset and reappeared the next day, this time with the amber engine light. The car drove normally around town and I brought it to the dealer for diagnosis.   The dealer diagnosed a sticky/faulty torque converter ($2500 to pull transmission and replace). They reset the error codes and suggested waiting to see when and if it returned. My driving is mostly highway and I discovered that high speed (50mph +) inclines caused the error when the transmission went back and forth into overdrive on its own. Forcing the shift with acceleration generally prevents the error. I took the car to a very good transmission specialty garage. They confirmed the torque converter is acting a little funny but there were not any signs of a failed torque converter when the transmission plate was removed. However, they believe my problem is caused by a faulty speed sensor. Unfortunately the ZF transmission can not be worked on. The sensor ($10 part) is integral to the throttle plate containing all the solenoids ($2000+ part). The concern is that if I replace the torque converter the speed sensor will pretty quickly damage the new one. Also if the transmission gets pulled to replace the torque converter with 90,000 miles it might make sense to complete a rebuild or replace at that time.   $2500 for Torque converter or $6500 for complete rebuild.....tough call. Any idea or suggestions?
#164 of 169 Faulty torque converter by soberguyjaguar Oct 30, 2009 (8:32 am)
Dear jadedjaglover, Well you may be screwed indeed. There is a factory tsb out on a faulty lining in the torque converter on your model. They have come out with a revised torque converter for the Jag and BMWs that have that transmission. The local Jag dealership has only sold 5 of them in the last 5 years and I have never seen the problem myself but apparently it does exist. Transmission code P0741 is the code for this problem. If your check engine light is coming on, you could go to AutoZone and get your codes read or ask the Jag dealer what the codes were that he got to recommend a new converter. A brief look on the internet returned no one offering that converter for sale but I didn't look very long. You're probably looking for a 6 speed ZF 6HP26 Torque converter and the dealership price is $1600.00 retail. My price to install would be 7.7 hrs = $692.00 plus fluid. I can't find any cases where the embedded speed sensor was the problem. Just torque converters. If you were my customer I would probably take torque converter out and have it rebuilt. Usual cost $100-$300 dollars. That is of course based on the assumption that the torque converter is actually the problem. I would have to diagnose it myself to be sure. However, If you're getting that P0741 code then you are probably just looking at the converter problem,not a speed sensor. Clutches and solenoids inside transmission should still be good. Check ebay and the internet for one of the revised converters and then have someone put it in. When you find out what your codes are,I'ld be interested to hear what they were. Soberguy. Replies to this message: jadedjaglove (Oct 30, 2009 10:07 am) jadedjaglove (Oct 30, 2009 11:36 am)
#165 of 169 Re: Faulty torque converter [soberguyjaguar] by jadedjaglove Oct 30, 2009 (10:07 am)
Replying to: soberguyjaguar (Oct 30, 2009 8:32 am) Thanks Soberguy.....code was P0741. Dealer quoted $2408 parts and labor so it sounds pretty close. They also talked about a tsb advising an additive to eliminate an occasional "chirp" when accelerating and shifting from 2-3 or 3-4. Told me there was no performance or damage impact but while they were working on the transmission they should do at the same time.   Where are you located, I'm in upstate NY.   Couple of other questions.   If I avoid the highway and manually keep the car in 5 instead of D is there any chance of further damage over a few weeks while I schedule work?   I know it is a crap shoot but any idea of expected life of this ZF transmission when mostly driven on highway. I'd rather not spend this money now and then have to pull the transmission again in 20-30k miles.   Do you have thought and recommended sources of OEM front shocks with atc? One of the separators is worn on one of mine and I get a rattle once in a while but the dealer wants about $750 for parts alone.   Finally, any good sources for used body parts. I need both door mirrors.   Thanks
#166 of 169 Re: Faulty torque converter [soberguyjaguar] by jadedjaglove Oct 30, 2009 (11:36 am)
Replying to: soberguyjaguar (Oct 30, 2009 8:32 am) Soberguy - Both ecm and tcm codes were P0741.
#167 of 169 jag question by soberguyjaguar Oct 30, 2009 (3:01 pm)
Shouldn't make any difference to drive a couple more weeks. $750 is correct price for the front shocks. My shop is in Oklahoma City. Go to www.car-part.com for used front shocks or body parts. Also try certifit.com for mirrors(maybe). Are there any driveline shops in your area who can rebuild and install your torque converter? Replies to this message: Mr_Shiftright (Oct 30, 2009 4:55 pm)
#168 of 169 Re: jag question [soberguyjaguar] by Mr_Shiftright HOST Oct 30, 2009 (4:55 pm)
Replying to: soberguyjaguar (Oct 30, 2009 3:01 pm) No Jaguar parts at certifit.com, sorry.
#169 of 169 Re: trans mission fault light [soberguyjaguar] by dickie07 Oct 31, 2009 (4:14 pm)
Replying to: soberguyjaguar (Oct 23, 2009 8:17 am) thank's fingers crossed , filter replaced , plus refilled synthitic oil , light has not appeared yet , haven't put car through paces, all is smooth , hopefully not knowing last service date if any ........say no more !

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