Have the fans off and ready to pull the raditor, But it won't come out. The lower outlet of the raditor doesent want to go by the stearing. Do I have to dischange the ac & pull the air cond condencer to pull the raditor. Or is there something I'm missing.
1999 Jeep Grand Cherokee
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Look under your dashboard by your parking break, also look at a wiring diagram that you can pull up from dodge all cars sometimes have had work and they may have added another fuselink etc just keep tripping it and it will show itself look for the diagrams in the ownwers handbook also. I am including a small drawing that they say helps
Modern reditors are real good till they get dirty. Most all modern engines are made of all kinds of different medals. Because of this their are over 7 different kinds of antifreeze on the market. some engines have EGR valve coolersand they use special antifreeze and these antifreezes don't mix with the other kinds and the mix and turn into a sludge that'll stop everything up and then you have real problems. While doing your coolant sevice be careful not to break anything. I've seen several times where while doing the service on the lower hose they pushed back on an airconditioning line and it rubbed on the fan belt and this contac wore a hole in the hose, failing the airconditioner. the hose in question costs over $400 and the other work to install it and get the sytem working was another $150. Inspect your finished work real well and test it too. Most cars need to warm up all the way before they'll show any cooling system problems So a full warm up including the raditor fans coming on and then going bacl off is required just to see if the work is good. Cooling systems that have waited too long for service need the raditor replaced as the modern raditors don't flush well. After cleaning everything and the new therostate and coolant temperture senser are instaled, it's wise to run over the whole cooling system with an infrared temperture therometer to see if everything is warming up evenly. Part of the raditor can be stopped up even after cleaning and pulling a tralior down the highway way far away from home is not where to find out you did'nt check it good enough. Some raditors won;t clean no matter that you try to do always look at the fact that the raditor protects everything after ther engine oil and the raditor protects the oil too. the temperture being right has become very important as the computer systems tune the engine by what the coolant temperture senser tells it too. so if the senser becomes wrong ( they do often ) or the engine runs too cool,( the therostate open all the time or opens too early) the computer will compensate by turning up the fuel to warm the exhaust and the engine, The rich mixture hits you at the gas pump and also makes the exhaust system parts fail quicker, and in states that check exhaust emissions, might not pass until expensive repairs are done. Follow the manufactures reconmendations for antifreze and don't shop for price or that might be the most expensive savings that you ever got.
drain raditor fluid then take off upper and lower hoses and put your house water hose in lower raditor hose and turn on water and let run for about 5 mins. to flush out raditor. then run in top hose to flush back then lower hose again. that should clean it out.
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.
could be a head gasket (coolant going into exhaust or into oil) pull oil dipstick does it look light brown like the color of a chcolale milkshake if yes u have bad head gasket does exhaust blow white smoke? if yes bad headgasket ? pull radiitor cap off let van run for while does water come out of raditor at a fast rate if yes (possiable ) bad head gasket
also could have leak your not seing look closely around where intake meets heads notice any water trails or see any water leaking ? if yes bad intake gaskets look closely around water pump any trails of water there ? if so bad water pump also check closely around seams of raditor for water trails
after all this u dont see any thing might need to take it to a shop and have it pressure tested (some leaks will only show up under pressure) most shops won' t charge much if anything for this service
Ruptured, Cracked or Leaking Raditor Hose.
Leaking Head Gasket.
Thermostat Stuck Closed.
Worn or Damaged Raditor Cap.
Raditor Fins Obstructed.
Missing or Broken Water Pump Belt.
Heater Core May Be Leaking Antifreeze/Coolant into The Vehicles Floor Area.
Intake Manifold Gasket
Leaking, Worn, or Damaged Intake Manifold Gasket.
Cooling Fan Switch - Raditor
Faulty Raditor Cooling Fan Sensor/Switch.
Leaking Water Pump.
Raditor Fan Motor
Faulty Raditor Cooling Fan Motor.
Relay - Raditor Cooling Fan Motor
Faulty Cooling Fan Relay.
Broken, Missing, or Faulty Fan Blade(s).
you may have a water pump that is starting to fail. Look for the water pump that's driven by the fan belt. look at the housing of the water pump there is a relief hole that they drill in the casting and when the pump begins to fail it will drip out this hole. If that's where your leak is, it's time to change the pump. K