Question about 2001 BMW 5 Series

2 Answers

I think i have a air lock in the rad of my bmw520i

Pipes get hot while rad cold,
top of rad hot while bottom is cold,
the blower in the car is blowing cold.

Posted by on

  • SAM WHITTAKER Mar 06, 2009

    OUR 2001 X-5 RADIATOR NEEDS TO BE CHECKED EVERY DAY TO BE TOTALY TOPPED OFF, OR THE CAR WILL GET HOT AND SHUT DOWN

  • SAM WHITTAKER Mar 06, 2009

    MY 2001 X-5 RADIATOR MUST BE TOTALLY FILLED EVERY DAY OR THE CAR WILL OVERHEAT AND SHUT DOWN.

×

2 Answers

  • Level 1:

    An expert who has achieved level 1.

    Corporal:

    An expert that has over 10 points.

    Welcome Back:

    Visited the website for 2 consecutive days.

    Mayor:

    An expert whose answer got voted for 2 times.

  • Contributor
  • 8 Answers

Check you do not have an airlock, there should be a bled screw at the top of the system. Your symptoms could be caused by this. Remember to run it up to full temp to be sure all stats are opening to allow escape of trapped air.
HTH

Posted on Mar 04, 2009

  • Level 1:

    An expert who has achieved level 1.

    Hot-Shot:

    An expert who has answered 20 questions.

    Corporal:

    An expert that has over 10 points.

    Mayor:

    An expert whose answer got voted for 2 times.

  • Contributor
  • 33 Answers

Sounds more like a possible heater core issue the heater core is what heats your car by the fan blowing over it and through tour vents ! find the 2 hoses that come out of your firewall on the back side of the engine compartment . run vehicle for 10 to 15 min and see if both of the hoses are hot if one is hot and one is cold heater core is plugged. if both hot have a diff problem. start hear first !!

Posted on Feb 21, 2009

1 Suggested Answer

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
goodluck!

Posted on Jan 02, 2017

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

Running hot think it is air locked how do you bleed air from it


Loosen the cap on the rad and run the engine up to operating temperature. Make sure the rad is full, and go for a short drive around the block to warm up the engine. Make sure the heater is turned on high and the fan running full. There will likely be some burping and gurgling going on as the air gets forced out. Keep checking and topping up the rad. Eventually it will stop.You should run it for acouple days with the cap loose to be sure all the air is out. After that, make sure the rad is full, close the cap and top up the overflow bucket.

Nov 23, 2013 | Toyota Camry Cars & Trucks

1 Answer

Replaced radiator in 2001 chevy venture now no heat?


the most commen problem with no heat is an air lock in the cooling system
when the vehicle is cold remove the rad cap
then there is a air bleed screw on the coolant pipe that goes across the front valve cover open the bleed screw about 3/4 to a full turn
use a funnel and over fill the rad into the funnel (this will make a mess)
make sure you have a steady streem of coolant coming out of the bleeder when you have a steady streem close the bleeder then there is a bleeder screw on the thermostat hosing open it and when you have a steady streem from it close that one then put the rad cap back on
and start the vehicle put your heat controls on VENT ,HOT AND HIGH BLOWER SPEED
run the vehicle and make sure you have HOT AIR COMMING OUT OF THE VENTS NOT WARM if its just warm then shut the engine off and open the bleeder on the pipe not the T-STAT HOUSING
keep repeating till you get HOT AIR COMMING FROM THE VENTS
top up the over flow bottle the rad will be fine
hope this helps

Mar 23, 2010 | 2001 Chevrolet Venture

2 Answers

Just refilled all of antifreeze and temperature inside car blows cold and sometimes hot is it the thermostat?


could be the thermostat also could be air locking in the heater hoses as well as the heater controll valve is malfunctioning

Jan 20, 2010 | 1999 Lincoln Continental

1 Answer

NO HEAT BLOWING COLD AIR


hi, the most obvious cause of no heat coming through the heater vents is going to be that the thermostat has gone and will need replacing these are cheap to buy and not to hard to fit.

Now the other problem you could have would be with the heater controls the control that chooses hot or cold air may have packed up and may need replacing the best way of finding out it the thermostat has stuck shut is to feel the top and bottom of the rad when the engine is nearly up to temp dont burn yourself just give the rad a feel at the top and bottom and see if the heat is even all around the rad.

If you look at the two pipes going through the center of the bulk head towards the middle these two pipes go to your heater rad matrix now if only one of these is warm and the other cold then this means thermostat gone if how ever all the pipes are hot and the rad is hot all over then this would point to the heter controls being at fault.

Now if your heater controls are cable one of these may have broke and you would see this once you have the cover off the controls if how ever yours is electronic then the chances are you wont be able to tell if its working or not.

I myself would go with the thermostat first as this is the cheapest and easiest part to change.

Let me know how you get on or if you need further assistance ok

Dec 11, 2009 | 2000 Oldsmobile Intrigue

1 Answer

99 subaru legacy overheats...


it may have a blown head gasket if it keep over heating or there could be just an air lock in the cooling water,, you will need to bleed the air out to stop the over heat as the water is not going around the engine its not opening the thermostat so it cant bleed its self take off a water pipe thats the higest pipe you can find it may have a bleed vent in a pipe were you can bleed it from ,,,top up the rad and header tank take off the bleed nippel when water with no air is coming out and the jobs a good un? run the motor for a time or go for a drive to check its not ever heating again and the heater should by now be blowing hot air,, top up the rad and header tank when its coold down

Nov 16, 2009 | 1999 Subaru Legacy

1 Answer

Air conditioner not blowing cold air. We put coolant with gauge reading 25 lbs pressure. We think the compressor is coming on. The pipe coming out of the compressor is cool but, the air coming into the car...


Is the air actually blowing into the car?But it's just hot?It sounds like your blower motor is not turning to blow air.you have a fuse,check the switch that controls the blower,and the blower motor it self.

Jul 27, 2009 | Saturn L-Series Cars & Trucks

1 Answer

Engine overheats when heater pipes connected


I think you could be right about there being air trapped in the system.
Or the heater core(radiator) is plugged.
Either way you need a pressurized radiator coolant pump to put the coolant in without air being trapped.
Although,i have seen it done by jacking the vehicle up high enough that the radiator was now higher than the heater core level, and then the coolant was put in.
But this is dangerous to try.

Jan 29, 2009 | 1999 Ford Escort

1 Answer

Overheating


Yes, you re correct! thats a thermostat issue.

Dec 15, 2008 | 1995 Subaru Impreza

Not finding what you are looking for?
2001 BMW 5 Series Logo

240 people viewed this question

Ask a Question

Usually answered in minutes!

Top BMW Experts

Fred Sops

Level 2 Expert

271 Answers

Al Clark

Level 2 Expert

290 Answers

Doberman

Level 2 Expert

246 Answers

Are you a BMW Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...