Blown head gasket and/or cracked head, cracked or leaking intake manifold. Since the car has run hot, the headgasket is probably damaged either way. On a 4 cylinder engine you are looking at $900 to 1200 range...v6 add another $3 to 400. Possibly more depending on what caused the failure in the first place.
The thing is not over overheating its fluctuating temp , , , plus there's more water the antifreeze I added a lot of water plus oil is not milky at all
Oil is not always milky and anti freeze actually raises the boiling temp of the water..the name antifreeze is a misnomer as it actually works on both temp extremes. Reality is that the water is going somewhere. If it is not leaking out then it is entering the combustion chamber and exiting via the tailpipe or dumping into the pil. There is no other place for it to go. Gm is famous for headgasket issues, all it takes is it running remotely hot just once. Now if it has never run hot the only remote possibility is an air pocket in the cooling system that is allowing coolant to super heat and escape as steam...but you should be able to see evidence of this.
I'll have yo check I have a parts car to change water pump in case
Well I found that the radiator hose is hot but no flow going through top hose at all
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SOURCE: my daughter's 1997 Saturn is leaking coolant and overheating..
Coolant leaks can occur anywhere in the
cooling system. Nine out of ten times, coolant leaks are easy to find
because the coolant can be seen dripping, spraying, seeping or bubbling
from the leaky component. So open the hood and visually inspect the
engine and cooling system for any sign of liquid leaking from the
engine, radiator or hoses. The color of the coolant may be green,
orange or yellow depending on the type of antifreeze in the system. The
most common places where coolant may be leaking are:Water pump. A bead shaft seal will
allow coolant to dribble out of the vent hole just under the water pump
pulley shaft. If the water pump is a two-piece unit with a backing
plate, the gasket between the housing and back cover may be leaking.
The gasket or o-ring that seals the pump to the engine front cover on
cover-mounted water pumps can also leak coolant. Look for stains,
discoloration or liquid coolant on the outside of the water pump or
engine.Radiator. Radiators can develop
leaks around upper or loser hose connections as a result of vibration.
The seams where the core is mated to the end tanks is another place
where leaks frequently develop, as is the area where the cooling tubes
in the core are connected or soldered to the core headers. The core
itself is also vulnerable to stone damage. But a major factor in many
radiator leaks is internal corrosion that eats away from the inside
out. That's why regular coolant flushes and replacing the antifreeze is
so important.
oses. Cracks, pinholes or splits
in a radiator hose or heater hose will leak coolant. A hose leak will
usually send a stream of hot coolant spraying out of the hose. A
corroded hose connection or a loose or damaged hose clamp may also
allow coolant to leak from the end of a hose. Sometimes the leak may
only occur once the hose gets hot and the pinhole or crack opens up.
Freeze plugs
(casting plugs or expansion plugs in the sides of the engine block
and/or cylinder head). The flat steel plugs corroded from the inside
out, and eventually eat through allowing coolant to leak from the
engine. The plugs may be hard to see because they are behind the
exhaust manifold, engine mount or other engine accessories. On V6 and
V8 blocks, the plugs are most easily inspected from underneath the
vehicle.
Heater Core.
The heater core is located inside the heating ventilation and air
conditioning (HVAC) unit under the dash. It is out of sight so you
can�t see a leak directly. But if the heater core is leaking (or a
hose connection to the heater core is leaking), coolant will be seeping
out of the bottom of the HVAC unit and dripping on the carpet. Look for
stains or wet spots on the bottom of the plastic HVAC case, or on the
passenger side floor.
Intake Manifold gasket. The
gasket that seals the intake manifold to the cylinder heads may leak
and allow coolant to enter the intake port, crankcase or dribble down
the outside of the engine. Some engines such as General Motors 3.1L and
3.4L V6 engines as well as 4.3L, 5.0L and 5.7L V8s are notorious for
leaky intake manifold gaskets. The intake manifold gaskets on these
engines are plastic and often fail at 30,000 to 80,000 miles. Other
troublesome applications include the intake manifold gaskets on Buick
3800 V6 and Ford 4.0L V6 engines.
INTERNAL COOLANT LEAKS
There are the worst kind of
coolant leaks for two reasons. One is that they are impossible to see
because they are hidden inside the engine. The other is that internal
coolant leaks can be very expensive to repair.
visit for more info:
http://www.aa1car.com/library/coolant_leaks.htm
SOURCE: 1996 Saturn SL2 car won't restart after running
engine coolant temp. sensor is cracked pull it out it is on the side of the head.. easy fix you will see its cracked when you pull it 15 dollar fix
SOURCE: Low Coolant light flashing on 1996 Buick Regal 3.8
The low coolant sensor should be located in the passenger side radiator tank, You need to take it out and clean the sludge off of it for it to work right. Or you can just unplug it and forget about it, the light will go out and it won't cause any problems.
SOURCE: 2000 SATURN SL2 WIPER WON'T SHUT OFF WITH ENG ON
Wiper motor is the problem,the park mode iside the motor logic is bad.The wiper motor will have to be replaced to correct concern.hope this helps
SOURCE: 1991 saturn sl2 water pump replacement
well first you drain the coolant out at the low point on the radiator, that way it is saved if new. then you take off the right front wheel and remove the plastic access cover from behind the wheel to get to that side of the engine. then you take off the serpentine belt and etc. yes you can do this with the engine still in the car. you may want to consider replacing the serpentine belt and tensioner while you are in that area.
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