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Old 05-12-2016, 05:26 PM   #1
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Default Generation 2 Seville

Anybody on here have a Gen2 Caddy? That'* the 1980-1985 Seville I'm interested in. Would like to see if you have any info regarding where parts can be found. Been working on my 1983 and have run into some issues that might help you with your repairs and you might be able to help me also. Doesn't seem to be much info about this series Seville available so we have to help each other.
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Old 05-12-2016, 07:07 PM   #2
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Welcome to the forums!

Are you looking for totally new parts, or are you ok with salvaged parts?
Salvage parts will be easier to find given the age of the car.

Use this site to locate parts from local salvage yards.

Car-Part.com--Used Auto Parts Market
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Old 05-13-2016, 11:20 PM   #3
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Default Generation 2 Seville

Thanks for the information William E... I've been everywhere on the 'net, found a guy on E>ay but his prices are ridiculous. He wants $20 for an interior door white lens, his other prices are also way too high. I know the scarcity of most parts will command higher prices but they should be reasonable. NOS parts are just not available so recycled is the way to go.

I'm on the Cadillac Forum but all the posts there are for late models. They don't respond to the 1980-1985 postings.

Do you have a gen 2 Seville? If so, keep in touch, might need input on some repairs.
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Old 05-14-2016, 12:39 AM   #4
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Very welcome, always happy to help another.

I don't have any Caddies atm, but I do like them.
All I have right now is a 2006 Pontiac Grand Prix GT with SC, and a 1996 Buick Park Ave NA
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Old 05-14-2016, 01:16 AM   #5
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This platform has always been interesting to me. I hope to have a Riv from the same era when the final count is in. Would definitely be interested in throwing what I can at your issues. Is anything going on with it now (besides the lens)? What engine did it get blessed with?
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Old 05-17-2016, 09:30 AM   #6
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This was the model built on the Chevy nova platform if that helps
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Old 05-18-2016, 04:03 AM   #7
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Quote:
Originally Posted by REGAL GUY View Post
This was the model built on the Chevy nova platform if that helps
Sorry to disagree, but Scooter111'* 1983 Seville is a FWD K-body which was exclusive to Cadillac, and very similar to the FWD E-body which is shared with the Eldo, Riv, and Toronado. The Nova never had front-wheel drive except for the awful rebadged Corolla version in the late 80'*. Which doesn't really count in my book.
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Old 05-18-2016, 09:08 AM   #8
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As I understood it it was built on a modified Nova frame that'* why they came up with that very weird trunk being the Nova frame being shorter.
At lease that'* what my father said that worked at GM for 35 years.
What was your source of information??
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Old 05-19-2016, 12:27 AM   #9
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Cathedral Club I have the 4.1 engine. I think it is a replacement for the original mainly because there is no "keyhole" for the timing light to shine on the front pulley in order to set the timing. Also some hoses were not clamped, just pushed on.

My current problems are: Digital speedo not working. Replaced with working unit but reacts the same. Also replaced the VSS wiring to the speedo, no difference. The cruise control not working. It relies on the computer, VSS, VSS damper, etc so I'm checking them out. Rear window inoperative, repaired the switch, probably motor.

Biggest issue is the speedo, I'm wondering if I could replace the computer with one that functions an analog speedo instead of the digital. I've queried this and the answers I got were.. NO! Probably correct. Also front seats not working but that is minor as far as I'm concerned.

Always a lot if nit picking issues to contend with, I'm familiar with the 4.1 having rebuilt one in a 1985 so I'm not afraid of it. No WOT, just drive it as a pleasure boat and it will last. Any suggestions would be helpful, especially as I'm looking for used parts. No junk yards around here so I have to rely on the internet.
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Old 05-19-2016, 01:43 AM   #10
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Quote:
Originally Posted by REGAL GUY View Post
As I understood it it was built on a modified Nova frame that'* why they came up with that very weird trunk being the Nova frame being shorter.
At lease that'* what my father said that worked at GM for 35 years.
What was your source of information??
Sorry, I don't want a p1ss1ng match. They're different. Check out:

https://en.wikipedia.org/wiki/GM_K_platform_(1980)

. . . and:

https://en.wikipedia.org/wiki/GM_E_platform

. . . or if Wikipedia is non-credible because lots of people seem to say that for some reason check it out elsewhere . . . like:

Junkyard Find: 1983 Oldsmobile Toronado Brougham Coupe

Never seen a Nova with the engine feeding a THM325 longitudinal "chain drive" transmission feeding a differential between the front wheels (forward of the transmission). Or anything like the wide weird frame that fit around this "Unified Power Package" drivetrain. Or independent rear suspension. Check out that junkyard pic of the underside of the Toro in the boneyard. Control arms, crossmember, sway bar, nothing like any Nova I've seen.

Anyways they were very front-heavy, especially with the 5.7 diesel. I always thought they were neat for their uniqueness and concept . . . but I also understand where their reputation came from. The THM325 transmission was based on the ill fated THM200. The 3.8 turbo had some reliability issues in the hands of people who wanted to drive an appliance. The 4.1 V6 had head gasket issues. The Olds 307 V8 was okay enough. Then there was the 5.7 diesel version. Those 5.7'* were hard enough to work on with the transmission competing for engine-bay space. I remember the neverending stream of diesel Sevilles coming through the shop. It always amazed me that such a top-line car could be that noisy and broken and smelly all the time. Not that I dislike diesel, it just didn't fit the stereotype of Cadillac IMHO .
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