Question about 1996 Chevrolet Cavalier

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I've got a 96 cavalier ls with the 2.4l engine. I have had problems with the water I have in my coolant reservoir (has no coolant because I just had problems with it losing all the fluid I put into it) boiling and leaking out the top, I just replaced the thermostat 4 days ago and replaced the reservoir cap a few minutes ago. The water doesn't seem to be boiling now, but I didn't drive it as long as I did earlier because I noticed the engine temp gauge creeping above were it say before I changed the cap. I was running it with the A/C on because I was trying to get my radiator fan to turn on, I still am unsure if it turned on or not but I just brought it home because I don't need it overheating too much and breaking anything else

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Posted on Jan 02, 2017

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SOURCE: 96' Cavalier coolant light on, replaced thermostat, fan not on

Hi ! first ,does your a/c compressor kick in when you turn on the a/c ? if it does but your fans dont then check for blown fuses ,if all fuses are good then if you have a test light see if you have power going to the fans with the a/c on .if you have power then you may have a bad fan ,that can cause your temp to go up ,try that and get back to us!

Posted on Aug 07, 2009

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SOURCE: water pump went out, it was replaced along with

Good chance you have a cracked head or at least a blown head gasket.There's a chance you have your timing way too advanced,but someone would have to of changed the timing,it doesn't just happen.
If you feel up to it remove the heads and get them checked for cracks.Look over the head gaskets first,there's probably one blown out.Either way,take the heads in for a check.They can look at the head gaskets and help you to diagnose what caused the overheating too.

Posted on Jan 01, 2010

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Ok ..continuing to have a overheating prob. w/a 2005 Lincoln LSV8...refilled the coolant tank (used mostly water) started her up and let it idle for 15-20 min. it did lose coolant from some where under the...

First there is but one water pump, next did you bleed the air out of the cooling system as directed in the factory manual? If you did then the engine may have a leaking head gasket. Water pump picture below. You may also have a leak in the recovery tank, but that would not cause the overheating unless you let it run dray. This engine is very easy to damage if overheated, think you should let an expert look at this problem.

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How to change water pump

The water pump in your 2003 Chevy Cavalier circulates engine coolant from the radiator into the engine, where it absorbs damaging heat from the combustion process. The coolant is then pushed, by the water pump, into the radiator, where the heat it has absorbed is released into the air. When the water pump fails, overheating and severe engine damage can occur. The most common symptom of a worn water pump is a telltale leak from a small hole, called a weep hole, near the water pump shaft.
Skill level:Moderate

  1. Disconnect the negative battery cable from the battery using an 8mm wrench and lay it aside. Place a drain pan under the driver-side front of the Cavalier and open the drain valve located on the bottom of the radiator. Remove the radiator cap from the coolant reservoir and allow the coolant to drain into the drain pan.

  2. 2

    Remove the serpentine belt, using a belt removal tool positioned on the tensioner pulley bolt to rotate the tensioner clockwise while sliding the belt off the alternator pulley. Disconnect the electrical connector from the alternator by pushing the release tab and then pulling the connector from the back of the alternator. Remove the two 13mm alternator bolts, located in the front of the alternator bracket, using a 13mm socket and ratchet. Add an extension to the socket and ratchet and remove the rear 13mm alternator bolt located below the alternator bracket reinforcing rib on the back of the alternator. Slip the alternator from the bracket and lay it aside.

  3. 3

    Remove the 10mm water pump pulley bolts using a 10mm wrench. Remove the 8mm water pump mounting bolts using a socket, extension and ratchet. Use a screwdriver to pry the water pump from the front of the motor. Clean the gasket surface on the engine using a gasket scraper until all traces of the gasket are gone.

  4. 4

    Attach the new gasket to the new water pump using gasket adhesive and install the new pump into the front of the engine. The gasket on the water pump in the Cavalier can be a little tricky to place, but it will only go on one way. Torque the water pump bolts to 18ft-lbs. using a torque wrench.

  5. 5

    Reinstall the water pump pulley and tighten the bolts securely. Reinstall the alternator and serpentine belt. Retighten the water pump pulley one final time with the belt installed to prevent loosening caused by vibration.

  6. 6

    Close the drain valve on the bottom of the radiator and fill the engine with a 50/50 mix of fresh coolant. Remove the bleed valve on the top of the thermostat housing to vent air from the system. Reinstall the bleed valve when coolant starts to escape. Start the engine and add coolant to the engine as it is drawn from the coolant reservoir. Fill the reservoir to the full level on the reservoir, and reinstall the radiator cap., Hope this helps & please don't forget to rate me, Kind Regards from Paul across the pond.

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1 Answer

1993 Cavalier has coolant loss. It's losing the

you should have the cooling system pressure tested and inspected for a leak that may only show up under could be a slow leak from the water pump,frost plug,head gasket which wouldn`t show up in the oil,heater sounds like a small leak but this is the best way to start to find it.

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Check your coolant overflow reservoir, Is coolant at the minimum line. When the engine heats up is coolant added to the reservoir, and when the engine cools down is coolant drawn from it. Try replacing the radiator cap first.

What I am thinking the problem is the radiator cap isnt allowing coolant to return to the system when it cools off.

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Check the reservoir. If coolant is backing up into the reservoir, then the thermostat is likely bad and not allowing coolant to flow.

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have the cooling system checked with a pressure test. to see if it will hold, if not you know you have a leak to find

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I haven't tried it but it would make sense and it does make it a lot easier. Without the trans attached, you wouldn't need to remove the master cylinder or beat the sh-t out of the battery tray to get the think out.

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