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Apr 18, 2014 - Uploaded by DerrickTheMechanic
How to change them out.And what they ... 2005 Chevy Impala3.8Liter ... Heater core information, coolant leak, bypass,replacement, hoses, etc.
Jun 19, 2013 - Uploaded by klowny1969
How To Change A Heater Core - Part 2 of 2. klowny1969 ...Impala . Caprice . Nova . Biscayne . Corvette . Denali . Landcruiser . ... Chevrolet 1500 * 2500 Truck * Heater Core Replacement * Gasoline * 1997 - Duration: 11:59.
images for 2005 Chevrolet Chevrolet Impala LS ...
1.check coolant level---must open bleed valve above thermostat when adding coolant.
2. Are fans radiator fans running when car ovrheats & is air comming off of radiator hot?
3. Check/Replace thermostat.
4. There is a plastic elbow that connects from the intakke manifold to the engine block on the passenger side of car that arrre notorioous for cracking / leaking....
5. The heater core on `05 Impala does not close when heater is turned off so does not benifit overheating by turning heater on.
YOU NEED BLEED COOLANT SYSTEM.CHECK COOLANT LEVEL IN RADIATOR.ADD MORE DEXCOOL UNTIL COOLANT LEVEL IS CLOSE TO RADIATOR SPOUT.CRANK ENGINE LET IDLE UNTIL TOP RADIATOR HOSE GET HOT.WATCH TEMPERATURE GAUGE.IF TEMPERATURE GAUGE START RISING TO HOT ZONE.TURN OFF ENGINE.LET COOL DOWN.USE LARGE RAG SLOWLY OPEN RADIATOR CAP A LITTLE AT A TIME UNTIL ALL PRESSURE RELIEVED.REMOVE RADIATOR CAP.ADD MORE COOLANT.CRANK CAR AGAIN LET IDLE UNTIL TOP RADIATOR GET HOT.KEEP EYE ON TEMP.GAUGE ALSO.WHEN TEMP.GAUGE STOP CLIMBING.YOUR COOLANT SYSTEM BLED.WHEN DONE LET CAR SET A WHILE CHECK COOLANT LEVEL.ALSO FIRST THING IN THE MORNING CHECK COOLANT LEVEL AGAIN.AND BESURE ADD COOLANT IN THE OVERFLOW JUG TO THE COLD MARK.DONT OVER FILL THE COOLANT RESERVOIR JUG.WORK SAFELY DONT GET SCALDED.
If its not low on coolant and the light continues to come on it is the low coolant sensor in the radiator. This sensor is in the plastic side of the radiator and just pops off. These sensors are always a problem and don't always require replacement of the sensor. What happens -especially if you are using red DEX-COOL coolant is that the coolant gets hard and crusty inside the sensor and wont allow the coolant to enter and make contact with the sensor. Simply take the sensor off and blow compressed air or water pressure in it to free it of debris. Easy fix-hope this helps!
take the cap off of the radiator (whil engine is cold) start and run the vehicle. keep runnig 30mins after the vehicle is hot keeping notice of the rad fluid level. keeping the cap off will prevent the pressure build up that woiuld keep the air in the system, keep adding water or antifreeze as the level goes down. this may take an hour or so. also with the cap off, you will be able to see if your water pump is operating correctly. you will visibly be able to see movement in the rad when the pum is engaged.
the best thing to get is the Haynes manual for your car at advanced auto or autozone or somewhere like that and the book will tell you how to take everything apart and put it back. i think the manual is about $16.00
TURN IGNITION KEY TO ON POSITION THEN BACK TO OFF 3 TIMES 3RD TIME
LEAVE IT IN ON POSITON THEN DEPRESS GAS PETAL TO FLOOR 3 TIMES. TURN
KEY OFF SHOULD BE RESET
On my 2005 impala you turn the ignition on and turn the radio
off. Push down the tune nob until settings is displayed on the radio.
Push the seek button until you see oil life. Push the next button on
the radio until you see the word reset then push the tune nob again.
this will reset the oil timer on the car and change oil light should