the temp ranges from 200 to 206 degrees F.
Depending what make it is; Deville has a 4.9 (V8). Deville Concours 4.6 (V8)Northstar engine. Eldorado has the 4.6 (V8) Northstar engine. Fleetwood 5.7 (V8) Seville 4.6 (V8) Northstar engine.
195-200 highway cruise, 224 max sitting still
what procedure??
YES
It is not too difficult to change a serpentine belt on a Northstar V8. A person needs to be able to maneuver around car parts and have no rush for time.
NOrthstars will run anywhere between 195 and 230 or so. The cooling fans don't even come on until 224.
4.6L Northstar V8
Age.
In a word, no.
It has the 4.0 Northstar V8...basically the Cadillac STS Engine with a smaller bore.
The 2005 Cadillac SRX has a V6 engine.