My cadillac seville sls 1994 is running hot ive already changed the thermastat the manafold is getting red hot the car has not cut off on me sometimes the temp goes down then rises up again when im at a light.

Not unless you want to cut a hole in the metal.
There is no access panel from the factory that I know of.

If check engine light is on have it scanned at auto parts store .if no codes then could be low fuel pressure or a coil pack shutting down. Please rate my help

The spring was part of the maufactured original hose for your caddi but if your replacing the hose take the spring out it will work just fine. I have a 1995 caddi n ive already delt with this issue

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Hi,

I'm Ben and -- hopefully -- I can provide some meaningful assistance.
Sorry but the answer is no.

1991/1992 Part #REPB314517 Fits the following 1990-1992 Cadillac Seville submodels:

1991-1992: Base; 8 Cyl 4.9L; "FI, Naturally Aspirated, VIN B"
1991-1992: STS; 8 Cyl 4.9L; "FI, Naturally Aspirated, VIN B"

1994/1996 Part #E3913M Fits the following 1994-1996 Cadillac Seville submodels:

1994-1996: SLS; 8 Cyl 4.6L; "FI, Naturally Aspirated, VIN Y"
1994-1996: STS; 8 Cyl 4.6L; "FI, Naturally Aspirated, VIN 9

Yes. Mine tends to run in the low two hundreds and will sometimes get to 225 before cooling down. I was told that this was they way they ran due to the aluminum engine. I have no idea whether it is true or not, but what I do know is that I have read countless forums from new owners asking about this, including myself at one point, and all the experienced owners tend to say,"Don't worry about it, this is how they run."
If you haven't already search 95 sls temperature. Try this one for starters:
http://www.cadillacforum.com/forum/aluminum-block-v8s-49/95-sls-overheating-11076/

sounds like you might have a plugged catalitic converter

I had same issue. 1994 Cadillac Seville SLS serp diagrams not like my engine. Found that it is the same as 1993 Cadillac STS Northstar!
Try that, it worked for me. Good Luck.

i have a 1994 cadillac seville sls and it wont shift out of 2nd gear i have replaced the shift silenoid "B" and the vss and it still wont shift and the pcm is still good. What else could it be?

whats the numbers on the pcm? should start with 16 its located behind the glove box

I have a 1994 sls it will not go into 2nd gear. I have replaced the transmission 3 times already and i still have the same problem.