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Re: cooling system problem
It sounds like the water pump is the culprit here and the repair is to replace the water pump and seal, but very quickly check all the coolant pipes in the area with the engine running just to rule them out first.
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Open the radiator drain plug, located somewhere near the
lowest point of the radiator, and let the coolant flow into a catch
basin to drain it. Loosen the lower radiator hose to drain the coolant
if your radiator does not have a drain plug.
Detach the hoses from the radiator. Loosen the nose clamps
and pull the hoses off of their attachment necks. Remove the auxiliary
belts by sliding them off of their pulleys to gain more work room.
Remove the engine cooling fan and the radiator shroud. This
step is vehicle-specific, and no single process will cover all types of
engines. In most cases, you have to use a wide box wrench to release the
mounting bolt that holds the fan to the engine. Set your cooling fan
down upright to protect its clutch. Loosen the mounting hardware that
holds the shroud. You might have to pull the fan and the shroud out
together if clearance does not permit you to pull them out separately.
Remove any mounting screws, bolts, clips or other remaining
attachment points. Put these pieces of hardware into a container so that
you do not lose them.
Lift the radiator clear of the engine. This can result in a
mess of coolant as the radiator shifts around, so have newspaper and a
catch basin underneath the radiator.
Slide the replacement radiator into place. Handle it gently so you do not damage the delicate cooling fins or hose necks.
Replace the mounting hardware. Torque them so you do not break the new radiator.
Reinstall the cooling fan and the shroud by simply reversing the fan and shroud removal process.
Reattach the cooling hoses to their mounting necks. Snug the
hose clamps down, being careful not to over tighten. Consider replacing
your cooling hoses at this time, as they become brittle and prone to
failure with age. Replace them all if you replace one.
Install and tension the auxiliary belts if you removed them
to get more room to work. Slide them back over their pulleys and adjust
tension by turning the tension adjustment nuts and bolts.
Mix the replacement coolant and distilled water in the right proportions for your vehicle and your climate.
Pour the coolant into the proper fill area. Depending on
your vehicle, you may pour the coolant directly into your replacement
radiator, into your overflow reservoir or somewhere else.
Run the engine to allow the coolant to circulate and add more as necessary.
Bleed the air from the system. There will be a bleed valve
somewhere in the system, although its location will vary from vehicle to
vehicle. Open the valve with a wrench and watch for bubbles. You know
your radiator replacement is done when no more air bubbles bleed from
the system and your coolant is fully up to temperature.
Sounds like air in the cooling system.What year camaro?What engine size?Have vehicle running at operating temp and slightly open cooling system bleeder (if equiped) leave open until you get coolant only and no more air.If this doesnt work have cooling system pressure tested.Could be a blown gasket somewhere.Good Luck!!!!!
you need to replace thermostat and radiator cap.look under hood around engine compartment.look for a radiator cap near radiator,add 50/50 antifreeze and water to coolant system to bring up boiling point.pure water will cause engine run hotter because water evaporate away,remove radiator pour coolant in the radiator until coolant stop dropping in the radiator now some vechicle pour coolant in the coolant overflow jug,pour coolant until coolant level stop dropping and the coolant level stay at cold full mark.start engie let idle few minutes, watch coolant level in radiator if coolant start dropping add more coolant, when coolant level stop dropping put radiator cap back on let engine idle until both top radaitor hose and bottom coolant hose get warm turn off engine wait until it get cool then take a large rag slightly open radiator just a litle at a time to keep from getting scaled.once radiator remove add more coolant if low,put radiator cap back on start the engine let it idle watch the temp gauge if temperature gauge going hot zone stop engine wait until cool then add more coolant,keep doing this until engine stop overheating going into hot zone and coolant level stop dropping,make the coolant overflow jug coolant level stay at full cold mark, dont let jug run empty if so air will get in the coolant system causing engine to overheat.
There should be air bleeders near the thermostat,and another one else where on the engine at a high point,Break one bleeder loose,(thermostat location) first,with engine off,and pour coolant into the reservoir ,and when the bleeder runs pure water no air bubbles out,then shut the bleeder off.then do the same with the other bleeder.Sometimes allowing the engine to run,until normal engine temp,or a little warmer,and turning the engine off,will allow the cooling system to bleed itself,by waiting about 30 minutes and checking the coolant level in the reservoir to make sure the level is dropping,then u will know the system is bleeding itself,just make sure there is enough coolant in the reservoir before doing this.This may have to be done two,or three times.
YOU NEED BLEED AIR OUT THE COOLING SYSTEM.WAIT TO ENGINE COOL DOWN.YOUR VECHICLE YOU HAVE TO POUR COOLANT IN THE COOLANT OVERFLOW JUG UNTIL COOLANT LEVEL STAY AT THE FULL COLD MARK.THEN START ENGINE LET IT IDLE A FEW MINUTES WATCH COOLANT IN THE OVERFLOW JUG WHEN IT DROPS ADD MORE COOLANT UNTIL COOLANT LEVEL STAY AT FULL COLD MARK.WHEN COOLANT LEVEL STOP DROPPING IN OVERFLOW JUG.SCREW RADIATOR CAP BACK ON OVERFLOW JUG WATCH ENGINE COOLANT TEMPERATURE GAUGE AS COOLANT TEMPERATURE START CLIMBING TURN OFF ENGINE LET IT SET A WHILE KEEP FROM GETTING SCALDED.TAKE LARGE RAG PLACE OVER COOLANT OVERFLOW JUG CAP SLOWLY OPEN RADIATOR CAP A LITTLE AT A TIME UNTIL PRESSURE RELEASE.REMOVE OVER FLOW JUG CAP.ADD MORE COOLANT UNTIL COOLANT LEVEL AT THE FUL COLD MARK ON THE OVERFLOW JUG.THEN SCREW CAP BACK ON THE OVERFLOW JUG.START ENGINE LET IT IDLE AGAIN WATCH ENGINE COOLANT TEMPERATURE GAUGE WHEN TEMPERATURE GAUGE START CLIMBING.TURN OFF ENGINE WAIT A WHILE.CHECK COOLANT LEVEL IN THE OVER FLOW JUG.DO THIS PROCEDURE UNTIL THE COOLANT LEVEL IN THE COOLANT OVERFLOW JUG STOP DROPPING AND STAY AT FULL COLD MARK,WHEN THE TOP RADIATOR HOSE GET HOT THERMOSTAT OPENING AIR IS OUT THE COOLANT SYSTEM. WHEN ENGINE COOLS DOWN.CHECK COOLANT OVERFLOW JUG COOLANT MUST BE IN THE COOLANT OVER FLOW JUG AT THE FULL COLD MARK WHEN ENGINE COLD. DONT .DONT OVERFILL COOLANT OVERFLOW JUG.KEEP COOLANT IN THE OVERFLOW JUG IF YOU LET COOLANT OVERFLOW JUG RUN DRY AIR WILL BE DRAW IN COOLANT SYSTEM CAUSE ENGINE TO OVERHEAT.
I you believe the air trapped on your cooling system, just do this hints.
Run your engine for awhile ( about 3-5 minutes) . then turn off your engine, open your radiator cap ( please wait foe awhile if it is too hot). Top up the coolant on your radiator. Repeat above step. It will be OK! now.
TO CHANGE RADIATOR FIRST YOU TURN OFF RADIO FIRST TO KEEP FROM LOSING RADIO CODE.DISCONNECT NEGATIVE BATTERY CABLE.RAISE FRONT OF VECHICLE SUPPORT ON JACK STANDS.REMOVE THE LOWER SPLASH SHIELDS.NOW YOU NEED TO DRAIN THE COOLING SYSTEM.CATCH COOLANT IN A LARGE DRAIN PAN.REUSE COOLANT IF ITS FAIRLY NEW.IF COOLANT VERY OLD CHANGE IT.PUT OLD COOLANT IN SOME EMPTY CONTAINER TAKE TO A GARAGE OR WHOEVER DISPOSE IT.DONT POUR ON GROUND.HARMFUL TO THE ENVIRONMENT.MOVE THE AIR INTAKE DUCT PASSES OVER THE TOP RADIATOR HOSE.NOW WHEN ALL COOLANT DRAIN OUT.LOOSEN UPPER AND LOWER RADIATOR HOSE CLAMPS.THEN DETACH THE RADIATOR HOSES FROM THE FITTINGS.IF THEY ARE STUCK GRASP EACH HOSE NEAR THE END WITH A PAIR OF ADJUSTABLE PLIERS AND TWIST IT TO BREAK THE SEAL THEN PULL IT OFF REMOVE SMALL COOLANT SURGE LINES FROM TOP OF RADIATOR THAT GOES TO THE OVER FLOW RESERVOIR..DISCONNECT COOLING FAN ELECTRICAL CONNECTOR.THEN REMOVE THE COOLING FAN.REMOVE DISCONNECT AUTOMATIC TRANSMISSION COOLER LINES GET READY TO CATCH TRANSMISSION FLUID THEN PLUG LINES. NOW UNSCREW THE FOUR BOLTS TWO ON EACH SIDE OF THE RADIATOR THAT ATTACH RADIATOR TO THE AIR CONDITIONER CONDENSOR CAREFULLY TIP TOP OF THE RADIATOR SLIGHTLY TOWARDS THE ENGINE.REMOVE THE UPPER RADIATOR SEAL AND LIFT RADIATOR FROM THE ENGINE.NOW IS THE TIME TO REPLACE THE UPPER AND LOWER RADIATOR HOSES WITH NEW ONES SINCE ALL COOLANT REMOVE I WOULD REPLACE THERMOSTAT AND RADIATOR PRESSURE CAP.NOW WHEN YOU GET READY TO INSTALL NEW RADIATOR USE SHEETS OF CARD BOARD PROTECT RADIATOR FINS AND CORES FROM DAMAGE WHILE SITTING RADIATOR BACK IN PLACE.ONCE YOU GET UPPER AND LOWER HOSES IN PLACE ALSO PLACE SMALL SURGE HOSES FROM THE OVER FLOW RESERVOIR TO RADIATOR NEW THERMOSTAT AND TRANSMISSION COOLER LINES ALL HOOK UP. START POURING ANTIFREEZE IN THE RADIATOR OR OVERFLOW RESERVOIR IF RADIATOR DONT HAVE RADIATOR CAP ON IT.POUR A FULL GALLON ANTIFREEZE AND A HALF MORE IF LONG AS THE COOLANT STAYS ON THE COLD LEVEL MARK ON OVERFLOW RESERVOIR DONT OVER FILL.IF YOU POUR ANTIFREEZE IN RADIATOR KEEP POURING ANTIFREEZE UNTIL LEVEL STOP DROPPING AND LEVEL OFF AT RADIATOR TOP.START ENGINE CHECK FOR LEAKS. LET ENGINE RUN UNTIL IT WARM UP TOP RADIATOR HOSE GET HOT.WATCH COOLANT LEVEL IN RADIATOR OR COOLANT OVERFLOW RESERVOIR WHEN THERMOSTAT OPENS COOLANT LEVEL WILL DROP.ONCE YOU HAVE ENOUGH COOLANT IN THE SYSTEM COOLANT LEVEL WILL STOP DROPPING.THEN YOU READY TO GO.LET ENGINE SIT A LITTLE WHILE CHECK COOLANT LEVEL AGAIN.COOLANT LEVEL IN THE OVER FLOW RESERVOIR SHOULD BE AT HOT MARK FOR HOT ENGINE AND WHEN ENGINE COLD COOLANT LEVEL SHOULD BE AT THE COLD MARK.IF POUR ANTIFREEZE IN THE RADIATOR COOLANT LEVEL SHOULD BE AT TOP OF RADIATOR BELOW PRESSURE CAP.
You will have to bleed the cooling system,there is a bleeder screw near the thermostat housing,just loosen it,and pour coolant in as it comes out the bleeder,watch for air to escape the system.Then close the system back off(bleeder screw).Then refill the coolant system,and replace the radiator cap.Fill the reservoir 3/4 full past the full mark.Start the engine and let it get totally warm,but not to over heat,then turn off engine,and wait 30 minutes to see if the level in the reservoir drops,if so repeat this until the reservoir level stops dropping,and the cooling fans turn on,and turn off by them selves,with the defrost off,heat on.