4.6 Northstar.It is located on the rear of engine(driver side) in front. It is 1n the the water pump housing cover. Remove airbox and intake tube and bottom radiator hose. 2 bolts(believe 10mm) on thermo housing. These systems are a lil finiky about air pockets....so fill slowly and let run at idle until operating temp and let cool and chk level.....fill as needed and repeat if needed.
The 1996 Cadillac STS Radiator does not have a drain plug
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Usually at the end of top radiator hose in housing its at the end of the lower radiator hose on drivers side under the air box
There is none.
Cadillac STS was created in 2005.
No, ..
If that is the Northstar engine, yes.
CADILLAC STS is totally better
Cadillac STS-V was created in 2005.
The 1996 Cadillac STS with a 4.6L V8 Northstar engine takes 7.5 quarts of 10W30 Oil (I know, A LOT, right?). Synthetic oil is recommended by Cadillac but I disagree, I have run both regular and synthetic oil and had no problems whatsoever. Hope this helps.
By plugging a scan tool into the service port.
Following the 2008 Cadillac STS and 2010 model update, Cadillac decided to discontinue the STS. As a result, the last STS to be produced was put together on May 4, 2011.