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Cadillac DeVille

2477 messages,  Last post on Sep 23, 2008 at 8:05 PM

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What is this discussion about? Cadillac DeVille, Sedan


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#2355 of 2477
Re: 1996 Cadillac Deville transmission [cooldude48818] by bolivar
Aug 15, 2007 (12:49 pm)
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Replying to: cooldude48818 (Aug 15, 2007 9:35 am)

I doubt it will be something as simple as the filter. I think the filter is actually a cleanable metal screen.
 
It's probably one or both shift solonids inside the tranny. The parts are relatively inexpensive (both should be changed if the repair is made), but the tranny will have to be opened up to get to them.
 
I 'think' the motor does not have to be pulled to get to these. Just opening it up from the bottom, they can be accessed.
 
If it is one of these solonids, it should be setting an error code. This code can be read out and it will point to the solonids. Otherwise, it might be something else.
 
There is a third solonid. Known as 'the $40 part buried $2,000 deep in the tranny'. This one activates the lock-up on the torque converter. A failure on it will set a different error code. The reason it is so expensive - the motor and tranny have to be pulled in order to be able to disassemble the tranny enough to get to this one.
 
Find someone to read the error code, and can tell you what they mean.
#2356 of 2477
Re: 1996 Cadillac Deville transmission [bolivar] by cooldude48818
Aug 15, 2007 (1:08 pm)
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Replying to: bolivar (Aug 15, 2007 12:49 pm)

If I get a Haynes book, will this tell me how to change thoes solonids? And do you know how much these solonids cost or even what the name of them is? I don't think that I am losing out on this deal. I am trading a 95 Dodge Neon for it with about 166,000mi on it. I just don't want to end up putting lots of money into this car. I have been reading about the Dexcool stuff on this site. Should I change the coolant in this car if I do get it???
#2357 of 2477
Re: 1996 Cadillac Deville transmission [cooldude48818] by bolivar
Aug 16, 2007 (3:39 am)
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Replying to: cooldude48818 (Aug 15, 2007 1:08 pm)

I've never liked anything but factory service manuals. I would bet a Haynes will say 'Transmission service is beyond the scope of this manual. See an experienced service person for this area.'
 
Look on ebay for a set (2 books) of service manuals. Probably should go for about $50. A new set can be bought at www.helmsinc.com . Factory manuals will cover tranny dis-assembly.
 
P.S. It's a Cadillac. You could spend LOTS of money on it!
 
P.P.S. If you don't know the service history on the car, I would change the coolant. Look at the belts, there is a small one that drives the water pump off the rear of the left cam.
#2358 of 2477
Re: 1996 Cadillac Deville transmission [bolivar] by cooldude48818
Aug 16, 2007 (7:52 am)
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Replying to: bolivar (Aug 16, 2007 3:39 am)

Well I went and took a look at it yesterday and I didn't like what I seen. I have been working on cars for about 12 years and if I have to take the tranny apart in the engine compartment, I ain't gettin it. Other besides that the car was in great shape and it had 154000mi in it. New water pump and belt. Thanks for the input on this car. I think that I am going to stick with my Neon. Thank you Bolivar.
#2359 of 2477
96 northstar trans sensors..De-ville by rebeccat
Aug 19, 2007 (2:31 pm)
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the blog I have been reading was written a year ago, but its getting really close to what I am looking for. I wrote down the manuel info and will look in a few. But I need the speed-in-put sensor inside the trans........I'll do both trans sensors. any info on this problem. over 165,000 and really running great other than that.rebeccat
#2360 of 2477
Re: 96 northstar trans sensors..De-ville [rebeccat] by bolivar
Aug 19, 2007 (4:34 pm)
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Replying to: rebeccat (Aug 19, 2007 2:31 pm)

What?
#2361 of 2477
re-96 trans by rebeccat
Aug 19, 2007 (5:32 pm)
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I have a 96 deville.One of the sensors inside the trans is messin up... It has been diagnosed as the speed input sensor.I was checking this sight to see if anyone else had sim prob...Some I read was from 2006....sooooooo. I need to replace it. I also know there are 2 diff in trans,, I plan to do both,,, tokeep from haveing to repeat a expensive repair. I hope not to mess with the rest of the trans. Car has over 165,000,,,All else seems to work well...Does anyone have experence with this repair? and have advise..rebeccat
#2362 of 2477
Re: re-96 trans [rebeccat] by bolivar
Aug 19, 2007 (10:45 pm)
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Replying to: rebeccat (Aug 19, 2007 5:32 pm)

Well, I think this is the dreaded '$40 part buried $2,000 deep in the transmission'. The error code is something like a 720 or 721 or something like this.
 
The transmission (and ususally they pull the motor and tranny together) has to be pulled to get to this solonid. This solonid locks up the torque converter. So, the car usually can be driven, your milage will just suffer because it is not locking the converter up after 45mph or so.
 
The other two solonids, shift solonids, known at the A and B solonids, are easier to get to and do not require the removal of the tranny. And yes, if you do go into the tranny to get the VSS/speed sensor one, you should also replace the A and B shift ones.
#2363 of 2477
Need Expert Advice on Comparing 2000 Deville and Eldorado by gerardk
Aug 20, 2007 (10:16 am)
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Looking for some sage advice from experienced Cadillac type. Decided to buy a used Cadillac, wanted a Northstar engine. Decided on 2000 because they made improvements to the motor. Regular gas, redesign etc. Assuming it makes sense to get 2000 vs. earlier due to motor advances?
 
Can get equally good deal on a Deville DTC or Eldorado ETC. I prefer the classic body style of the Eldorado and would have to get use to the look of the new style Deville. Like the taillights on the Deville but the front end is different. Also, age 46, only me and the wife and a small dog, no kids.
 
Is it just a question of looks and desired style or is the redesigned body on the Deville model for 2000 significant enough that I would notice the difference in quality, ride, or performance?
 
Bottom line is I could learn to like the looks of the Deville body style if the drive experience was significantly different over the traditional chassis on the Eldorado. I prefer the looks of the Eldorado but do not want to give up too much for that style preference. Hence lies the dilemma.
 
Thanks in Advance.
#2364 of 2477
Re: Need Expert Advice on Comparing 2000 Deville and Eldorado [gerardk] by bolivar
Aug 20, 2007 (12:14 pm)
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Replying to: gerardk (Aug 20, 2007 10:16 am)

Hey, you are asking questions that only your personal preference can answer.
 
Go test drive both and decide.
 
One thing about 2000 model Northstar - Crank sensors. There are two of them. And many of them fail. Failure will cause a total engine stop, and it could be at speed. If your car does just die suddenly, this is probably the problem, and I would repair it quickly before you have a flameout at 75mph in the left lane of a busy highway.

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