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Coolant sensor 96 Saturn sl1? It's overheating changed thermostat ,resivior ,water pump flushed radiator , compression test we're good??

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Sounds like the clutch on the fan isnt working see if the fan on the front of the motor spins freely in both directions. It shouldfeel tight and not sloppy. and when you start the motor does it spin. Have some one start the motor and watch the fan for wobbeling or looseness. Dont touch it while the motor is on. Google fan clutch and it will also explain it. Also Thermostats are not always good off the shelf you can take the thermostat and put it in a pan of water with a thermometer and watch to see when it opens if it opens. I would start there because it sounds like you've done most everything. They also make cooler thermostats

Posted on Mar 22, 2019

  • Susan Phillips
    Susan Phillips Apr 08, 2019

    Yes both fans are working , and thermostat was good .

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  • 24 Answers

Or you mite need to "burp" the system

Posted on Apr 08, 2019

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Posted on Jan 02, 2017

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SOURCE: overheating change thermostat water pump

If the head and gasket are good, and hoses not blocked, and the coolant pump is good and the rad is not blocked, all sensors and thermostats good, then it could be the heater core.

If you can bypass this during summer, it may help. The heater core is like a very small radiator, and often they get blocked up. This can restrict the collant getting around the engine properly, and cause overheating. If you leave this bypassed, you won't get hot air blowing into your cab during winter with the heater on --------- hey, who cares right now when it's summer!

Posted on May 31, 2009

  • 65 Answers

SOURCE: Costant overheating 2001 sante fe

Hii!!!! have you change the water pump?? ok some water pumps have the propeler in oposite direccion get one o just call to the dealer about this tipe of water pump.make sure when you call have ready the engine size. model year . and date factory made

Posted on Feb 26, 2009

Outofworkjoe
  • 216 Answers

SOURCE: 96 jimmy overheating

Make sure your thermostat is in good condition.

Posted on Jun 29, 2009

alicantecoli
  • 22484 Answers

SOURCE: 1996 Cadillac Deville overheating- head tested, no

remove pump and check that the imèller which is plastic hasnt seperated from drive shaft

Posted on Jul 16, 2009

  • 16 Answers

SOURCE: CHANGING WATER PUMP 96 MERCURY MYSTIQUE STILL

check for a bad head gasket

Posted on Sep 05, 2009

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2 Answers

My saturn 1994 s12 is overheating even after i changed the water pump.


How hot is it getting in degrees F? Some electric fans won't even turn on, till around 220 degrees F. Does the fan turn on at all?
As far as overheating, does the coolant recovery reservoir fill up in a hurry?
Sometimes after opening up the cooling system, you get air in the system that may cause temp gage to react.
What about your thermostat? Did you check for coolant flow through the radiator? Another thought might be a head gasket issue, I'd check everything else first.

Mar 01, 2017 | Saturn Cars & Trucks

2 Answers

My 2002 saturn boils over but does not overheat sometimes i will drive across town and all is fine sometimes i will drive 7 miles and reservoir will boil over.im guessing thermistat water pump or cap


Of the water is boiling them it has run hot. There is no way around this fact. Get a compression test done first. This should reveal if any damage has been done. Then address the boiling off problem. This can be a air pocket in the line, incorrect anti freeze mixture, sticking thermostat, water pump, cap, etc.

Oct 20, 2016 | Saturn Cars & Trucks

1 Answer

Just changed the thermostat in my 2004 pontiac aztek,and its still overheating


Not exactly sure what a "resivior" is, do you mean reservoir? If so it sounds like you have a blockage in your coolant hoses somewhere or possibly your radiator. Try a coolant pressure test

Aug 26, 2014 | 2004 Pontiac Aztek

1 Answer

Car over heating


The most common cause is low coolant level, so check the radiator and overflow tank and fill as needed. If coolant is over 2 years old, it is a good idea to change the coolant and thermostat-start afresh.
Check the radiator cap. If it doesn't hold pressure of about 13-15 psi in the coolant system, the seal is bad and a new radiator cap is called for. The coolant system is a sealed system, so you should never have to add coolant, save for a small loss through evaporation in the overflow tank. If you are losing coolant, there must be a leak that needs found and repaired-a pressure test of the system should show up a leak.
When the engine is warmed up, the thermostat opens and coolant is circulated through the engine (pushed by the water pump on the front of the engine), into the upper radiator hose to the radiator, and down through the radiator where it is cooled, then back to engine and water pump through the lower radiator hose-a continuous circulation. If anything blocks this circulation (like a partially plugged radiator, or leaves, trash or debris on the outside of the radiator preventing good radiator cooling) then you could get engine overheating. You may want to have the coolant circulation checked, and/or have the radiator and engine flushed. Also possible that the water pump may not be promoting good flow-the impellers on the pump may be worn down to stubs-this can happen if regular maintenance is not observed.
Your radiator fans should also be checked that they work when called for.
The worst case would be a blown cylinder head gasket-another common cause of overheating, and the most expensive fix. A compression test could check for this condition- a cylinder or two with low compression indicates head gasket failure. Coolant can get mixed in with the oil, or it may wind up in the cylinders and get burned, putting out white smoke out the exhaust.
Overheating is bad on engines, get it checked right away.

Apr 10, 2014 | 2002 Buick LeSabre

1 Answer

Overheating


replace thermostat and radiator pressure cap, what i would do is flush out the coolant system go auto parts store buy a radiator flush kit replace water pump do all this see what happen you need to add 50/50 antifreeze and water to coolant system.

Sep 07, 2012 | 1997 Saturn SL

1 Answer

2000 FORD EXPEDITION OVERHEATING....changed thermostat,radiator cap, confirmed fan clutch is working, no radiator leak noted, changing coolant temperature sensor as a type...water pump not leaking or...


yes. the impellor on these engines have a tendency to come off the water pump.First you can see if the pump is working by removing a heater hose then have someone to start the engine. if the water sprays a good, solid stream out then the water pump is good. if the water just barely comes out or not at all then the pump is weak or "bad".

Aug 13, 2011 | Ford Expedition Cars & Trucks

2 Answers

93 lexus gs 300 overheats. i changed water pump, thermostat, radiator cap. still overheating??? what could it be???


Try blowing the radiator fins out (from the inside) with compressed air--bugs and other debris can clog the air flow. Do the radiator fan(s) run when hot? If not, check for blown fuse, seized fan motor(s), bad relay, or bad engine thermal sensor. Is it losing coolant water from somewhere?

Jul 16, 2009 | 1993 Lexus GS

2 Answers

Radiator overheating


could be a number of things
make sure your fan is working
is the coolant leaking?
make sure your water pump is operating
check the thermostat
and also yes try a flush
also inspect your radiator cap and the overflow
let me know if you need further assistance

Jun 14, 2008 | 2000 Chrysler Cirrus

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