Question about 2003 BMW 325

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Bmw 325 air. On steep hills when it's hot the a/c quits blowing cold air. Problem goes away at the top of the hill. This is never a problem around town. Only when fully loaded going to Las Vegas. Nick

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Does the temp gauge go up too?

Posted on May 19, 2009

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No heat


Air pocket is trap in the cooling system..

Put you car onto a pair of oil change ramp / or steep hill with radiator cap off (when cold).

Look for air bubbles to purge for the system.

Jan 13, 2014 | 1995 Ford Crown Victoria

1 Answer

1998 toyota hilux 3l diesel overheating when goin up long steep hills.


if its not going int o red zone it is normal to get hotter as she climbs hills

Oct 15, 2012 | Cars & Trucks

1 Answer

1998 plymouth voyager vents changes from hot to cold to top defrost vents down to floor all on its own


sounds like you have a broken vacuum hose for heater controls or vacuum reserve tank if controls changes when accelerating or going up steep hill, check your vacuum hoses from engine to inside controls

Sep 03, 2012 | 1998 Plymouth Voyager

1 Answer

Car loses speed when climbing a steep hill.


Start with the fuel filter. Thats the most common thing. If no difference come back.

Jun 21, 2010 | 2003 Chrysler PT Cruiser

3 Answers

1998 bmw Z3 running hot replaced thermostat and continues to run hot replaced aluminum engine 10 months ago,with cast iron engine with 68,000 miles


When the car is completely cool,check the electric fan(s) for smooth rotation.

Clean/check/change the thermo sensor,contact and wire.

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Excavate air pocket in coolant system / check for head gasket leak

This test will kill two birds with one stone.

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MAKE SURE THE COOLANT SYSTEM and ENGINE IS COLD!

RAN THIS TEST IN A WELL VENTILATED AREA ONLY!

You will spill some coolant during this air pocket purge test.......BE KIND TO THE ENVIRONMENT and ANIMAL please clean up after the test!

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Put the front end on a pair of ramp or park your car on a VERY STEEP HILL (radiator facing top of the hill) .

Top of the coolant reserve tank

Let it ran for 10-15 minutes.

Monitor for air pockets escaping from coolant reserve tank.

Small amount of bubbles is OK at 1-5 minute mark

After the thermostat open up (after 195 F warm up) at
5-12 minute mark or after high idle you should see less bubbles.

If you do not see any in rush of bubbles then your thermostat may be partially stuck or rusted badly inside the thermostat hosing.

Give the thermostat host few gentle taps.

If you see larger bubbles surfacing after 15 minutes then should do a hydrocarbon (HC) dye test to test for potential head gasket leak.

Let engine cold down and top off coolant reserve tank.

Start monitor for coolant lost

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A coolant flush is require every 2 years or 24,000 miles.

I recommend the thermostat that has a relief pop-let to reduce the change of burst radiator and coolant hoses.

Make sure you get a new thermostat gasket,black RTV and fresh coolant for the job.

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Please post more information by clicking the comment link on the top right corner.

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Oct 03, 2009 | BMW Z3 Cars & Trucks

2 Answers

Having a temperature question/problem. 2005 Jeep grand cherokee 5.7L Hemi 4x4 49,000 Miles. The temperature gauge plays around a lot. goes from the little bar before half temp. to the little bar after...


It sounds normal, but perhaps the radiator is a little small. Make sure the core is clean by blowing it out with compressed air (from the engine side) to clear out bugs and other debris. Make sure the overflow/reserve tank is at the proper level. Check the coolant level in the radiator when engine cold--it should be right at the top of the filler. These are all preventive, not a cure for anything.

Sep 17, 2009 | Jeep Grand Cherokee Cars & Trucks

1 Answer

95 325 is e-brake doesn't fully engage


Adjustment will usually help, but try parking with front pointing down hill next time.(back in, apply E brake .) Emergency brakes usually hold better/well when vehicle front heading down hill. If it doesn't hold with front pointing down, then rear brakes need attention.

Apr 12, 2009 | 1997 BMW 318

1 Answer

2001 bmw 325i AC blows warm


PROB NEEDS 2 JUST BE RECHARGED. BUT STAY AWAY FROM THE DEALER. IT IS ALWAYS 3 TIMES MORE THAN A PRIVATE SHOP

Mar 30, 2009 | 2001 BMW 325

1 Answer

Overheating on long steep hills


Hi. It is a well known problem on VWs you need to let all the air out , your car should have a valve to do this but if you can not find it try leaving the antefrezze cap of and watch for bubles coming out the water ( with the engine runing ,, ) cold

Aug 15, 2008 | 2002 Volkswagen Passat

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