Where is the thermostat in a 1999 Cadillac DeVille?
On the engine beneath the air intake duct. Follow the upper radiator hose to where it connects to the engine, and you will find it behind the thermostat housing.
How much is a thermostat for a 1999 Cadillac DeVille?
The average cost for a Cadillac DeVille thermostat replacement is between $537 and $564. Labor costs are estimated between $102 and $128 while parts are priced at $435. This range does not include taxes and fees, and does not factor in your specific model year or unique location.
What is the normal coolant temperature for a 1999 Cadillac DeVille?
2 Answers. Normal operating temperature should be between 160 and 190 degrees depending on what thermostat you have installed. If it is running much hotter than 190 then you need to service your cooling system.
Why is my Cadillac DTS overheating?
The most common reasons a Cadillac DTS is overheating are a coolant leak (water pump, radiator, hose etc.), the radiator fan, or a failed thermostat. Coolant leak (water pump, radiator, hose etc.)
What causes a 2002 Cadillac Deville to overheat?
Overheating and cracked engine blocks in Cadillac DeVilles The popular 2000 and 2002 Cadillac DeVilles are prime casualties, with the engine tending to overheat due to a leaking head gasket. Alternatively, a water pump leak could be preventing your coolant circulating freely through your engine.
Are car thermostats universal?
Most vehicle models use a 192F or 195F rated thermostat. If you install a thermostat with a different rating temperature, you’ll end up with all kinds of performance problems like fuel, emission and ignition system problems, because your engine will operate out of its normal temperature range.
Where is the thermostat located on a 2006 Cadillac?
The thermostat is located inside the water outlet housing fastened to the upper radiator hose. The thermostat is on the engine side of the hose.
Why is my 1999 Cadillac DeVille overheating?
The most common reasons a Cadillac DeVille is overheating are a coolant leak (water pump, radiator, hose etc.), the radiator fan, or a failed thermostat.
What is the normal operating temperature for a Northstar engine?
195 to 238 degrees F
If low speed fans cannot keep the temperature under control, the fans will turn on high speed at 234 degrees F. A few degrees of fluctuation is perfectly normal- so an engine temperature of 195 to 238 degrees F is perfectly normal for a Northstar and is NOTHING to be alarmed about.
Is 180 or 195 thermostat better?
To get close, long time hot rodder and magazine guy Ron Ceridono says sticking around 180 degrees is best for carbureted cars, while modern fuel injection systems like running at or even a little above 195 degrees.
How do you fill coolant in a Cadillac DTS?
How to Add Coolant: Cadillac DTS (2006-2011) Platinum 4.6L V8
- Find Reservoir – Locate the coolant reservoir and clean it.
- Check Level – Determine the coolant level.
- Add Coolant – Determine coolant type and add fluid properly.
- Replace Cap – Secure the coolant reservoir cap.
What makes a Cadillac run hot?
Will a lower thermostat help overheating?
A low-temp thermostat gives the cooling system a head start. This will help to prevent Engine Detonation and overheating.
What degree thermostat should I use in my car?
Most experts agree that your engine should run between 195 degrees and 220 degrees. In ideal situations, your needle will maintain a posture right in the middle of your gauge.
Should I put coolant in my radiator or reservoir?
If your engine is cold, the coolant level should be up to the cold fill line. Loosen the reservoir cap just a little, then step back while the pressure releases. Then, remove the cap completely. If the coolant level is low, add the correct coolant to the reservoir (not the radiator itself).