Question about 2003 Nissan Altima
Welcome to FIxYa.com This is a classic symptom of low coolant level or air in the system. Too, clogged heater core. Buy a 5 min flush from your local dealer. With a gallon of Anti freeze and water pump lube. Flush the system per instructions on the back of the 5 min flush bottle. And add the one gallon of anti-freeze to system. The top off with water. Make sure engine is running with the heat selector on and fan on high. See if the will work if not Change thermostat. Thank you for using FixYa.com Regards, Lee Davidian
Posted on Nov 09, 2010
REFILLING ENGINE COOLANT 1. Install the radiator drain plug. Install the reservoir if removed for a total system drain or for engine removal or A. B. Apply sealant to Performance Thread Sealant or equivalent. Radiator drain plug: 7.8- 11.8 Nm (0.8 - 1.2 kg-m, 69 - 104 Cylinder block drain plug: 34-44 Nm (3.5 - 4.5 kg-m, 25-33 ft. 2. If disconnected, reattach the upper radiator hose at the 3. Set the vehicle heater controls to the full HOT and vehicle ignition ON with the engine OFF as necessary to Image 4. Install the Tool by installing the radiator cap adapter Then attach the gauge body assembly with the refill tube and to the radiator cap adapter. 5. Insert the refill hose into the coolant mixture container Make sure the ball valve is in the dosed position. Use Genuine NISSAN Anti-Freeze Coolant or equivalent, mixed distilled water or demineralized water. Engine coolant capacity (without reservoir tank) 6.9 L (7 1/4 Reservoir tank: 0.7 L (3/4 US qt) 6. Install an air hose to the venturi assembly, the air specification. Compressed air supply pressure: 5.7- 8.5 kPa (5.6 - 8.4 CAUTION: The compressed air supply must be equipped with an 7. The vacuum gauge will begin to rise and there will be an During this process open the ball valve on the refill hose visible rising in the refill hose. Once the refill hose is valve. This will purge any air trapped in the refill hose. Image 8. Continue to draw the vacuum until the gauge reaches 28 gauge may not reach 28 inches in high altitude locations, specifications based on the altitude above sea level. Altitude above sea level Vacuum gauge reading 0- 100m (328 ft) : 28 inches of vacuum 300 m(984ft) :27 inches of vacuum 500m (1,641 fI) : 26 inches of vacuum 1.000m (3.281 fI) : 24 -25 inches of vacuum Changing Engine Coolant WARNING: A To avoid being scalded; never change the coolant when the A Wrap a thick cloth around cap and carefully remove the quarter of a turn to release built-up pressure. Then push the way to remove. DRAINING ENGINE COOLANT 1. Remove the engine undercover using power tool. 2. Open the radiator drain plug at the bottom of the filler cap. This is the only step required when partially (radiator only). Do not to allow the coolant to contact the drive belts. 3. Follow this step for heater core removal replacement heater hose at the engine side and apply moderate air 1.055 kg/cm2) maximum air pressure] into the hose for 30 excess coolant out of the heater core. 4. When draining all of the coolant in the system, remove the coolant, then clean the reservoir tank before I hope this Helps you, Lee
tank and cylinder block drain plug,
repair.
The
radiator must be completely empty of coolant and water.
the threads of the cylinder block drain plugs. Use Genuine High
inch lbs.)
lbs.)
engine side.
heater ON position. Turn the
activate the heater mode.
onto the radiator neck opening.
the venturi assembly
that is placed at floor level.
5œ50 with
Us qi)
pressure must be within
kg/cm2, 80 - 120 psi)
air dryer.
audible hissing noise.
slightly. Coolant will be
frill of coolant, close the ball
inches of vacuum. The
refer to the vacuum
engine is hot
cap. First, turn the cap a
down and turn the cap all
radiator, and remove the radiator
draining the cooling system
only. Disconnect the upper
pressure 1103.46 kPa (15 psi,
seconds to blow the
the reservoir tank and drain
installation.
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