Question about 2001 Volkswagen Passat

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My 2001 1/2 1.8 turbo overheats constantly. New water pump, timing belt,thermostat, resevoir bottle and cap. Any suggestions?

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Blocked Radiator.Dont try flushing it out as i found it does not always work.Just replace it with a new one.

Posted on Jul 13, 2009

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Posted on Jan 02, 2017

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Does anybody have a video link on how to flush the cooling system on a GM 3.1L SFI OHV 6cyl motor? I need a vid for this particular motor cause mine is still overheating & i have looked everywhere.


flushing a cooling system is the same method as any other motor

do it without the thermostat fitted
or water pump opening

sacrifice an old radiator hose to adapt a garden hose fitting
for radiator flush

air in system fix
your thermostat housing has no air bleed valve
no top radiator cap

old school way
heater on full
run motor till thermostats fully open
burp radiator hoses
wait till water is running up into over flow bottle without bubble
replace cap
turn off heater
correct level in over flow bottle

why still over heating
you fitted everything i would have ... yet still overheat
possibles
leaking inlet manifold gaskets
hose clamps loose
cooling fans spinning too slow
thermostatic fan switch faulty
aluminum radiator is a big one
air ..fins bent or some water channels blocked

or possible head gasket leak




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Nov 02, 2016 | Cars & Trucks

3 Answers

Engine over heating


Check your thermostat, it doesn't seem to be working.

Sep 15, 2013 | Lexus RX 330 Cars & Trucks

1 Answer

Audi A6 2001 quattro 2.8 mysterious over heating


Yes, replace the thermostat. Then you need to 'burp the coolant system'. Your car has all the hallmarks of air in the system, especially a heater that is cold. This is because there is no water in the heater matrix. This is why it overheats. The system must be full and with no air to circulate correctly through the radiator.

Burping involves the following steps.

Remove the lid to the reservoir, remove the radiator cap, fill the radiator to the top, turn heating on full blast, start engine and get to operating temperature, keep topping up. Squeezing the radiator hoses helps. The level will rise and then drop when the thermostat opens. Top up when bubbles stop and the level becomes constant. Put radiator cap on, top up the reservoir and put the cap on that.

check the link



A6 2001 quattro 2 8L Google Search

Mar 10, 2017 | 2001 Audi A6

2 Answers

1989 jeep wrangler keeps overheating


Fill the rad or overflow bottle right to the top and run the engine with no cap on,if you see a constant flow of bubbles your head gasket is leaking or you have a crack somewhere in the cooling system.

Jun 12, 2017 | Jeep Cars & Trucks

1 Answer

200w cheve monte carlo overheating,changed,radiator,water pump.


Change the thermostat and the coolat resevoir cap.These are the 2 main things for overheating problems. The thermostat sticks and the cap will let coolant escape from the tank, after a couple of trips the engine overheats. Also make sure your cooling fans are coming on. Physically pull the relays and all fuses, as the do lose contact.

Apr 26, 2011 | 2001 Chevrolet Monte Carlo

1 Answer

I have a 1999 audi a4 quattro 1.8l turbo. timing belt broke and replaced the motor, new timing belt, water pump and thermostat. now it overheats after about 15 minutes. what could the problem be?


An airlock ?? all vw group engines have to be vented after filling with antifreeze/water.....they used to fit a tap on the top heater hose,sadly no longer.so you have to undo the clip and vent it manualy.....

Oct 22, 2010 | 1999 Audi A4

4 Answers

1997 honda civic over temp. Have replaced radiator, hoses and thermostat. Ran well for awhile and then started to overheat. Checked the coolant reservor and found it empty. Refilled and tried to bleed...


Generally if one hose is hot, and the other hose is cold it indicates that they water is not circulating. You could have a defective thermostat. Take the thermostat out and run the engine without it. With the radiator cap off you should see a lot of water moving through. It that is the case, replace the thermostat and you should be ok. If there is no rapid movement of water it may be the impeller on the water pump came loose. This is rare, but it can happen since the impeller is usually pressed on the shaft. You should also check and see if you get a lot of bubbles when the car is running and the cap off. This often indicates a blown head gasket. Hope this helps.

Aug 03, 2010 | 1997 Honda Civic

1 Answer

How to change water pump on 1995 3.5 dodge intrepid. it is trying to freeze up and pulls engine down and runs hot


turn off radio so you wont lose code.disconnect negative battery cable.remove drive belt.get a drain pan to catch coolant.place it under the radiator.then open the radiator drain on the lower right side of radiator.then remove coolant pressure cap and open thermostat bleed valve.BESURE TO PUT COOLANT SOME WHERE SAFE .BECAUSE KIDS AND PETS WILL DRANK IT.know you going to have to move the timing belt.besure to get your engine on TDC AT NUMBER 1 FIRING POSITION.REMOVE THE WATER PUMP BOLTS.AND PUMP.THROW AWAY THE O-RING SEAL.CLEAN GASKET SURFACE DO NOT SCRATCH.INSTALL NEW O-RING DIP IT IN COOLANT.DONT GET DIRT OR GREASE ON IT OR IT WILL LEAK.THEN YOU PUT .PUMP AND O-RING TO THE ENGINE BLOCK.INSTALL THE MOUNTING BOLTS.TORQUE TO 105 INCH POUNDS.THEN YOUR TURN PUMP WITH HANDS MAKE ITS NOT TO TIGHT AND CLEAR. INSTALL THE TIMING BELT LOOK AT TIMING MARKS.GET A HAYNES MANUAL YOU NEED PICTURES TO SEE THE TIMING MARKS.BECAUSE IF TIMING OFF.YOUR ENGINE IS DAMAGED.WHEN YOU GET TIMING RIGHT THEN YOU CLOSE RADIATOR DRAIN.THEN YOU OPEN THERMOSTAT BLEED VALVE.GET A 1/4 INCH CLEAR HOSE ABOUT 48 INCHES LONG.YOU PUT ONE END ON BLEED VALVE AND THE OTHER END IN A EMPTY CONTAINER.TO KEEP COOLANT OFF THE DRIVE BELTS.NOW YOU START FILLING WITH COOLANT BY POUR IT IN THE COOLANT PRESSURE BOTTLE UNTIL A STEADY STREAM OF COOLANT RUN OUT THE THERMOSTAT BLEED VALVE THROUGH THE CLEAR HOSE.GENTLY SQUEEZE TOP RADIATOR HOSE UNTIL AIR OUT OF THE SYSTEM.CLOSE BLEED VALVE REMOVE CLEAR HOSE.FINISH ADDING COOLANT TO COOLANT PRESSURE BOTTLE UNTIL YOU GET TO THE RIGHT LEVEL.PLACE CAP BACK ON COOLANT BOTTLE.RECONNECT NEGATIVE BATTERY.START ENGINE.LET IDLE CHECK FOR LEAKS. IF OVERHEATS YOU STILL HAVE AIR IN SYSTEM.LET IT SET A WHILE ADD MORE COOLANT IF NEEDED DONT DRIVE UNTIL IT STOP OVERHEATING.IF OVERHEAT WHILE IDLING WAIT AWHILE CHECK COOLANT LEVEL.DONT OPEN TOO SOON YOU WILL GET SCALDED.KEEP DOING THIS WHEN IT STOP OVER HEATING AIR IS OUT AND YOU CAN DRIVE IT.

Jun 08, 2009 | 1997 Dodge Intrepid

2 Answers

Overheating


Is the car actually overheating or are you just getting a red temp symbol on the dash? What does your temp gauge say? If it is indeed overheating and they did replace all the parts you say they did, they probably didn't bleed the cooling system properly. If any air is trapped in the system, it will cause a overheat condition. Take it back and tell them to bleed it right. Make sure they tightened up your radiator overflow/fill bottle cap as well...turn it until it "snaps". Now if the car is not physically overheating, and the temp gauge shows normal with the needle straight up (~190F), but you show a red temp symbol on the dash, your coolant level sensor in the overflow/fill bottle cap could be defective, the harness that plugs into it could be loose and/or your coolant level is too high. Lower the level until it is in the cross-hatch area printed on the bottle and reseat the connector. If it still has the red temp symbol, chances are very good the sensor in the bottle went bad. Mine went bad on my 04 Jetta 2.0 and I got a constant red symbol on the dash. Hope this helps you out.

Mar 17, 2009 | 2004 Volkswagen Jetta

1 Answer

Why does my 98 deville continue to overheat?


check to see if there is a valve (usually vacuum actuated) inline somewhere on the lines that go from the block to the heater core. Maybe it is stuck...

Mar 02, 2009 | 1998 Cadillac DeVille

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