Coolant Light

Tiny
TONSHIA
  • MEMBER
  • 2002 BMW 325I
  • 91,000 MILES
My coolant light comes on and my heater does not work. My car runs out of oil alot quicker now. What could be the problem?

Thursday, January 26th, 2012 AT 9:23 PM

1 Reply

Tiny
RIVERMIKERAT
  • MECHANIC
  • 6,110 POSTS
Check the coolant for the presence of oil and the oil for the presence of coolant.

Grasp the heater hoses just inside the engine compartment next to the bulkhead with the engine running and at operating temp. They should be hot. Move the temperature control back and forth and see if the heater control valve (if equipped) and/or blend doors move.

Is the outside of the engine covered in oil? If so, you need to clean it and then use a leak detector dye kit to locate the leak source. If it's an external leak.
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Thursday, January 26th, 2012 AT 9:35 PM

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