Check coolant light is on after a new radiator was installed
I had a new radiator installed by a body shop mechanic today.
when I started the car and was about to drive off, the check coolant
light came on. The mechanic checked the reservoir and it was full.
He then suggested me not to worry, it will go off later; It never did.
I drove the car home and the dashboard engine hot indicator never moved. I noticed the indicator seems to never move; even when the
car has rested for a couple of hours. The indicator is always halfway
between C and H. Any suggestions?
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look for a leak from the drain hole under the pump housing, if no leak not a water pump
take the car to a radiator specialist shop and have a coolant pressure test done to determine where the leak is
if it has plastic tanks for the radiator , they split with time and leak under pressure and a pressure test will reveal exactly where the leak is unlike a guess
Shouldn't "burn through" coolant. If you don't notice any leaks then my guess would be.... after installing a new radiator it is normal to have to keep topping off the fluid because air gets in the system and as the coolant passes through and the thermostat opens it releases air bubbles. Most mechanic shops do "burp" the system after changing coolant but sometimes all the air doesn't come out.
I suspect you have a leaking cylinder head gasket, this would account for the gunk in the system. To confirm this is the problem have a shop that owns an exhaust gas analyzer put the probe in the coolant recovery or surge tank of the system and see if any combustion gases show up in the system with the car running, do the test both hot and cold engine states. You will be looking for hydrocarbons. No matter what the outcome you must have the system professionally flushes and clean uncontaminated coolant installed Ina proportion of 50/50 coolant to water mix.
I would look at each problem separately. You may need a mechanic to look at the car. I would check for trouble codes in the computer. See if the radiator is full of coolant, and if the fan comes on when the engine warms up. The fast idle could be a problem with the throttle body or the idle air control valve, but it could also be a limp mode action by the computer to help you get the car to a shop. If the computer has trouble codes that is where you start the repair process.
Always check your hoses for leaks. Check also if your radiator has water while engine is shut off. Add water to your radiator and add the coolant in the reservoir if its empty. Start it and observe your engine while running and check the hoses if anything is leaking. Check underneath of the car if something is dripping. Observe your temp gauge if it rises. If you don't find anything leaking, you could check your radiator only after you let the engine cool down. If the water is drained inside the radiator, then the radiator could be busted. If you have a perfectly fine radiator and the hoses do not leak, then it could be the water pump that's defective. If you are unsure about the problem then have it checked in your local dealership or your friendly neighborhood mechanic.
Sounds as if the electric fan on the radiator isn't coming on. Most radiator shops also work with A/C systems and may be more qualified to do the work. However, any good "normal" repair shop should also be able to diagnose the problem. Try not to drive it very far and keep close watch on the engine temperature. An overheat can do extensive (expensive) engine damage. If you have a fill cap on the radiator, fill it there (when cooled down) filling the recovery bottle may not be sufficient to get coolant into the engine.
WELL YOU NEED TO DRAIN COOLANT LEVEL BELOW THERMOSTAT LEVEL.YOU HAVE TO DISCONNECT MAF SENSOR LOOSEN AIRDUCT 2 LARGE CLAMPS LOOSEN REMOVE 4 SCREWS TO AIR FILTER COVER LIFT UP REMOVE COVER. THEN REMOVE AIR FILTER AND HOUSING, FIRST DISCONNECT MAF SENSOR.YOU HAVE TO DISCONNECT THROTTLE CABLE AND SHIFT CABLE.YOU HAVE TO DISCONNECT REMOVE THROTTLE BODY COOLANT HOSES DISCONNECT IDLE SPEED CONTROL VALVE CONNECTOR AND DISCONNECT TPS SENSOR CONNECTOR. THEN REMOVE THROTTLE BODY ASSEMBLY. YOU NEED TO BUY NEW THROTTLE BODY COOLANT HOSES AND NEW THROTTLE BODY GASKET FOLLOW TOP COOLANT HOSE TO ENGINE BLOCK.NOW YOU SEE CAN AND REMOVE THE THERMOSTAT HOUSING REPLACE THE THERMOSTAT.BESURE TO HAVE EXTRA COOLANT ON HAND.BLEED COOLANT SYSTEM WHEN DONE.TO BLEED COOLANT SYSTEM REMOVE RADIATOR CAP ON OVERFLOW JUG.THEN OPEN BLEED SCREW ON THE WATER PUMP BYPASS HOSE PIPE JUST A LITTLE.POUR COOLANT IN THE OVERFLOW JUG UNTIL LEVEL STOP DROPPING.STOP AT COLD MARK ON JUG.CLOSE BLEEDER SCREW ON WATER PUMP BYPASS HOSE PIPE.CRANK VECHICLE CHECK FOR LEAKS. START UP ENGINE LET IDLE FEW MINUTES THEN CHECK COOLANT LEVEL ADD MORE UNTIL UNTIL LEVEL STOP DROPPING.PUT RADIATOR CAP BACK ON OVERFLOW RESERVOIR. LET ENGINE IDLE WATCH COOLANT TEMPERATURE GAUGE.WHEN GAUGE START CLIMBING. TURN OFF ENGINE WAIT FEW MINUTES TAKE A LARGE RAG OPEN RADIATOR JUST A LITTLE YOU HEAR HISS NOISE.WHEN PRESSURE STABILIZE DONT GET SCALDED BECAREFUL.OPEN CAP LITTLE MORE.IF COOLANT PRESSURE STILL BOILS OUT WAIT 20 MINUTES ADD MORE COOLANT TO RADIATOR OVER FLOW WHEN COOLANT LEVEL STOP DROPPING.PUT RADIATOR CAP BACK ON START VECHICLE UP LET IDLE UNTIL THERMOSTAT OPEN. THEN FEEL TOP RADIATOR HOSE FEELS HOT THERMOSTAT OPEN WATCH TEMPERATURE GAUGE.IF GAUGE TEMP START CLIMBING TURN OFF ENGINE WAIT A WHILE.CHECK AND ADD MORE COOLANT.WHEN THE ENGINE CAN IDLE TEMP GAUGE STOP CLIMBING YOU HAVE BLEED COOLANT SYSTEM.KEEP CHECK ON COOLANT LEVEL.
Instead of having it replaced, you may be able to find a shop that will braze that area for you, which is an often-performed repair procedure on radiators.
At 34,000 miles, the coolant doesn't have to be replaced, but it won't hurt.
If it's dripping slowly when parked, it's dripping much faster when it's running. The coolant system is under pressure when the engine is running and up to operating temp, and that is probably causing coolant to spray out of that hole. You can check this by leaving the engine running and looking in the approximate location of the leak you found.
Continue to check and replace coolant/water as necessary until you get the problem properly assessed and repaired.