Why is a 2002 Cadillac Deville dts running hot? But the temp neddle never goes over half way, the rpms go up and the car will not coast when i let off of the gas pedal.

It appears to be year specific.

https://www.gmpartsdirect.com/v-2002-cadillac-deville--dts--4-6l-v8-gas/electrical--sunroof

https://www.google.com/search?q=2002+Cadillac+Deville+replacement+sunroof

And dropping the year from the Search Query.

https://www.google.com/search?q=Cadillac+Deville+replacement+sunroof

Question edited. So few words, so many mistakes :>D

Here is everything you need.

CADILLAC Car Radio Stereo Audio Wiring Diagram ...

https://www.tehnomagazin.com > CADILLAC-Car-Radi...
GM car radio wiring connector audio. The factory wire colors given are typical of most GM vehicles. Delco CDR-500. ( A 4 - +12 V Direct) ( A5 Antenna Output ...

2004 cadillac deville dts radio wiring - The12Volt

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https://www.google.com/search?q=2004+Cadillac+DeVille+DTS+Stereo+diagram

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Cadillac Deville leaking water on floor - YouTube

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www.youtube.com/watch?v=J4PYTCyveWk

Jun 2, 2013 - Uploaded by MrCookt214
Now I need to remove the bumper to replace a side light. ... My 2006 Cadillac DTS has been flooding the passenger side floor (front and rear) ...

How to Fix or Repair a Leaky Sunroof (Quick Tip Video ...

? 2:10
www.youtube.com/watch?v=1CiqO11FtvQ

Oct 23, 2011 - Uploaded by RichsMethods
Does your car have a sunroof? Have you noticed water collecting inside your vehicle recently? Perhaps this ...

OEM Cadillac Deville Interior trim sunroof Parts Online for ...

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Shop thousands of factory-direct Interior trim sunroof parts for your Cadillac Deville at Wholesale GM Parts Online. ... You demand perfection from your ALL Cadillac Deville, so when it comes time for repair, ... 2002 Cadillac Deville Products .

have the OBD codes read as will pinpoint the sensor/switch that is at fault, save you time and money searching blind

try using a code reader to reset the CPU as sometimes a battery change will corrupt the CPU program

You have a Blown Head Gasket.. It is a 4.6 Northstar Engine. Very Common around 90-105K

Maybe the water pump has been eaten away

The GM Dexcool hasn't worked out well for the last
years or so

May have to do the water pump & go to a universal
coolant

If your saying it is only a cabin heat issue then your going
to have to understand the system & diagnose that part

check the crackcase, or crankshaft circuits A or B.. or both..not sure.. which one. but i had similar problem,, i went and bought a code reader and that helped me out alot, with what i had to change.. good luck..

It sounds like you have an air pocket in the cooling system. I would try parking the car on a hill with the front of the car facing up. When it has fully cooled off, recheck the coolant level and ad more coolant if needed. Sometimes you can slowly top up the system through the bleed hole as well, do this when cold on level ground.

Check the fan to see if it is going on. On my 1997 Cadillac Deville Limousine I had to have the 2 fans, and 3 relays replaced, as well as the wiring contacts for the relays at an auto electric shop for about $700 last fall, but it has been running cool since then.