Just replaced water pump and thermostat and coolant blower motor is working temp comes up half way car does not over heat still getting cold air out of the vents no heat
Airbound more than likely..if not then check flap motors on heater box.
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SOURCE: where is and how to take out blower motor 98 audi a8 quattro
The blower motor is in the engine compartment, closest to the firewall. It's dead center under a vented cover. The reason for water in the vents may be due to a worn out seal around the blower housing.
SOURCE: Audi A4 1.8T Quattro 09/2003 Temp guage rises as
Could be thermostat this regulates the water flow around the engine to keep it cool sounds like it is sticking open when water gets hot!!
SOURCE: A6 2.4 heater problem
mcdevito75 here, Your speaking about the Heater control valve, this allows hot water (antifreeze) into the heater core so as too give you heat, (hot air thru the dash vents). This valve could be sticking, you can try to tap on it with a wrench see if it helps. Before you just change it check all associasted vacumn lines to and from this valve, also check all vacumn lines to the firewall and at the intake manifold for bends, breaks etc.
SOURCE: 2004 audi a8l with no
Hello todd... Change the thermostat. This is an inexpensive part and easy to do yourself if you are so inclined. Here is a step by step video of how to change the thermostat. .. http://www.wonderhowto.com/topic/change-thermostat-in-audi-a4/
Joe
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SOURCE: Audi A4 1.9tdi Quattro 1997-
REPLACE THERMOSTAT.MAKE SURE COOLANT SUPPLY PIPE OR COOLANT RETURN PIPE NOT STOPPED UP AND YOU HAVE ENOUGH COOLANT IN THE SYSTEM.REPLACE THERMOSTAT.CRANK ENGINE UP AND LET IDLE UNTIL WARM UP KEEP EYES ON TEMPERATURE GAUGE. WHEN ENGINE THERMOSTAT OPEN COOLANT HOSE SHOULD BE HOT.IF NOT TURN OFF ENGINE.USE LARGE RAG WAIT A WHILE BEFORE REMOVING RADIATOR CAP CHECK TO SEE IF COOLANT LEVEL DROPPING IF SO ADD MORE COOLANT.CRANK ENGINE UP UNTIL THERMOSTAT OPENS UP.HOSE WILL GET HOT.IF STILL COLD CHECK COOLANT LEVEL.ONCE YOU AIR OUT COOLANT SYSTEM RADIATOR HOSES WILL GET HOT SO YOU WILL GET HEAT.IF COOLANT LOW YOU WONT GET NO HEAT.
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