Mh car continues to overheat and started leaking.

Asked by Oct 22, 2015 at 08:41 PM about the 2005 BMW 3 Series 325i Sedan RWD

Question type: Maintenance & Repair

Ive changed the radiator, the reservoir tank,
several hoses, and just finish installing the
water pump and the thermostat. It continues
to overheat.

3 Answers

76,365

Where is it leaking from? What area on the engine? Did the coolant system get the air pockets bled out? And sorry to say if everything is in order, could be a bad head gasket, or cracked head. A compression test can show this.

Its leaking from the cap, and well they have bled it several times. It will work driving it with the heater on but if you turn on the ac it starts to over heat.

76,365

Well that is telling me it need to be flushed out. Radiator my be plugged. Best way to clean it out would be to take it out and bring it to a radiator shop, and have them "rod it out". You can just try flushing it, I don't know how bad it is. But check that compression, if it has a bad head gasket, cleaning the cooling system not going to solve all your problems.

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