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Re: had radiator changed and hoses that cool radiator
Sure you can use old everything but whats the jeporty if it breaks down? Your young daughter walking home late at night? Or your tough guy just going home with all your buddies that just got off too and they'll help you out? Fix it right if you ned to trust it, Or just throw it away when the motorblows from sudden overheating. sure it may run a long time, long as your young daughter isn't left out on the raod at night.
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if you have a blown head gasket in the engine this could cause the pressure to increase on the cooling system., A radiator specialist can put a radiator cap on the radiator that has a pressure guage attached to it to test this . A compression test on the engine would also rule out or confirm a head gasket or warped or cracked engine head. Coolant may be getting into cylinder 3 via a blown head gasket and cause a mis fire or ignition failure in the cyclinder of the engine. You may see steam coming out exhaust pipe also !
Hi Dennis, If you're sure that the coolant is leaking from the radiator, replace it. If the cooling system is leaking somewhere else, have the cooling system inspected by asking for a cooling system pressure check. After locating the source of the problem attend as required. Areas of interest are 1) The radiator. 2) Radiator pressure cap. 3) Broken or cracked hoses or leakages from where each fits. 4) Water pump 5) Core plugs fitted into engine block and cylinder head. 6) Cabin climate system. (Radiator inside cabin of vehicle) Keep me informed as to your progress. Regards John
You would probably be better off replacing the belt and pump again since the labor would be next to nothing. I would want to test the cooling system for exhaust gas and try to verify the head gasket is actually leaking next. Are you loosing coolant into the cylinders ? There may be something else causing the engine to run hot such as exhaust problems.
First make sure the cooling system is full. This might require letting it cool and filling it more than once though the main raditor cap. Then it needs looked over for leaks. If it won;t stay full it'll overheat. The hose from the recovery tank to the raditor connection at the cap is a problem spot and it the raditor can't **** the coolant from the tank back into the raditor the engine will soon get low. If these things are alright then you neeed to watch it heat up, and see what's happening. The engine should worm up and as it does the upper raditor hose will warm and but hot but not right away. The side of the raditor should start to warm up soon after that, Touching the raditor it should warm up evenly from top to bottom if it doesn;t it's clogged. If the hose and engine get hot and the pressure inside the hoses rise but the raditor says cool then the therostate is sticking and needs to be changed. If the whole radidor gets hot till everythings too hot and the fan does'nt come on then you need to test the fan and it's fuses and connections. The cooling fan will be comanded on if you unplug the coolant temperture senser that's pluged into the side of the therosate hoseing as it's where the upper hose connects to the engine. If the fan seems to be coming on and hot air is coming off the back of the fan and it's still getting too hot and you've decided that the whole radidor is getting evenly hot then the engine may have an issue. Exhaust clogged up ( cat canvertor, muffer bent pipes) The check engine light might be on and the reasons it's on need to be examinded.
Hi: To make Sure its your Radiator and Not Your Lower Radiator Hose or Water Pump. With the Enging Cooled down, Fill it all the way up, Raise the Front of your Blazer, Support it with Jack Stands. And Start Engine, Slide under the Front of your Blazer With a Good Bright Light and You Should Be able to Pin Point Your Leak.If it is your Raditor I would Either Check the Price on Repairing you Radiator Or Check your Local Auto Supplier for the Cost of A Reconditined Raditor or A New One. Hopefull you Find that its Your Lower Radiator Hose,Or some A Lot Less Expensiove.You can Also Rent a Cooling Sytem Pressure Tester ,with this it Attaches at the Same Place your Radiator Cap Does. You Pump it up Cold Or Warm to the Correct Pressure ,Get Specs From Your Parts Supplier or Dealer.Don't Over Pressurize your Cooling System. This will give you the Same Pressure If you where Driving It Under Normal Tempeture. I'm Sure You'll Find Your Problem, Let Me Know Please By Voting and Also Write me a Testamony on the Quality Of Solutions I've Given You.Any Other Problems Just send a Message Thru FIXYA and i'll be Glad to Further Help You. Thanks The WYOCWBOY
did you replace the thermostat when you put the radiator in,you could still have an air pocket in the system,recheck your coolant in the radiator when it is cold. the next thing is to verify the cooling fans are working,when you see it hot check to see if it really is hot or gauge is lying,if it is hot see if the fans are running to maintain cooling temp,if they are not check coolant fan fuse and relay and last fan motors
If the water pump is leaking, then you need to replace it, replace the thermostat as well. Make sure you have got all the air out of the cooling system, when you refill the coolant, by undoing the top hose of the radiator till water comes out, likewise with a heater hose, then start and check, when the temperature is right the fans should cut in, keep an eye on the temp guage whilst doing this.
Hope thgis helps