Question about 1999 BMW 323 Series

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My car seem to overheat after changing the water pump and fan motor.

I've change the water pump and fan motor and my car stills overheat. I can't seem to find out what the problem is after chang all that. I would be great if you can help me!!!

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  • BiggTmoney Oct 30, 2008

    BMW 232i over heats and I notice the radiator fan dont come on at all



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Did you replace the thermostat?

Posted on Oct 28, 2008


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Pt cruiser 2008 overheat i change the raditor and the fans , thermostat and still overheat lot of money and still

Has the system been flushed? Correct temperature thermostat installed? Are you getting flow through the radiator? Rad cap sealing properly and is it the correct one? Are the fans actually coming on? Is the temp sensor working properly? Rad properly filled or still have air trapped inside? Water level correct? Water pump working or seized, leaking?

Jan 01, 2015 | 2008 Chrysler Pt Cruiser

1 Answer

Cooling fans don't work

Did you recently change the coolant or have it changed? The system needs to be 'bled' or 'burped' of any air in the system. I did this for a friend once to fix an overheating issue.

There is likely a relay for the fans or the coolant temperature sensor that is bad. You'll need to get a Haynes repair manual (library) or look online for a service manual for your car...also, search the online dodge/plymouth/chrysler forums.

My guess is the relay that is bad IS causing a fault to ground that is draining the battery, too.

You could just remove the Negative battery terminal every night 'til you get the fans figured out.

Since it's overheating while idling it could be:
-water pump
-radiator plugged
-low coolant

Unfortunately, these engines have a history of blowing the head gaskets, too.


Oct 03, 2012 | 2004 Dodge Intrepid

1 Answer

My 97 chry LHS is overeating, and the fan is not coming on... i changed the thermostat, i looked over the wiring and it seems to be ok... i hot wired the fan and it works, i ve check the relay and the fuse...

You could have a worn out water pump
The impellers will wear down over time
The fan Belt may not have adequate tension
The radiator may need flushed

Good Luck, I hope this gives you some things to consider

Oct 14, 2010 | 1997 Chrysler LHS

1 Answer

2002 focus overheats very quickly (within 2 blocks). changed fan motor relay, thermostat, flushed coolling system and this still happens, although now a little longer till it overheats (6 blocks).. Ran...

Sounds to me like the impeller in the water pump is corroded bad enough that you now have no volume of water flow.If a pressure test on the cooling system shows no leaks and the rad fan does in fact run then this is the most likely solution,if the fan does not run you may need a temperature switch or a fan motor.

Sep 16, 2010 | 2002 Ford SVT Focus

1 Answer

My 2004 TrailBlazer overheats in running only I changed acdelco water pump , thermostat and coolant water and still overheat

check your fan clutch, very typical problem on these 4.2L engines. These fan clutches are electronically controlled. Another issue may be clogged radiator.

May 31, 2010 | 2003 Chevrolet TrailBlazer

1 Answer

1988 Sedan DeVille: the car still over heats even after i change the t...

if the car overheats all the time, idle and driving, then check the water pump

if the car only overheats at idle, check the cooling fan

May 07, 2010 | 1988 Cadillac Sedan DeVille

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1993 Toyota Camry V6: Coolant Overheating Problem.

how do u change the water pump in a 1993 toyota camry v6 engine?

Oct 05, 2009 | 1993 Toyota Camry V6

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If you have seen the signs of leakage around the water pump thn its worth replacing it being that far already.
Its better too, to flush the radiator.
Usually if the seal blows thts the end of the pump even if it looks ok!

May 07, 2009 | 1994 Honda Passport

2 Answers

Running hot

Check the Tension on the Belt. If it is not tight enough or you need a New Tensioner for the Belt, It will run hot. It is not letting the Water Pump Cool the Motor fast enough. You might also Check the Radiator. If the Radiator is Even a Little Clogged, It will overheat. Also, Check the Fan clutch, If it is not working Properly, You will overheat. Let me know what you find!

Jan 24, 2009 | 1996 Chevrolet Cavalier

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