Close
Car Questions
RepairPal is your advocate for car care advice and guidance

Engine Overheating

(1998 BMW 740i)
in Victorville, CA on July 18, 2010
My engine overheats when the air conditioner is running. When the air conditioner is off the thermostat returns to normal... I have replace the coolant, thermostat, radiator cap, radiator heat sensor, all hoses and installed a new radiator. Could my problem be a bad water pump? The timing and head gasket are fine...
Displaying 1 answers & 0 comments
Popular Answer
on July 20, 2010
If the coolant has been bled properly, no leaks present, check viscous fan operation, thermofan operation, thermoswitch operation, remove and visually check waterpump.
RepairPal estimates are guaranteed at over 2,000 quality certified locations nationwide. Learn more

Similar Questions

View answers to similar questions from RepairPal's community of auto experts and enthusiasts.
car over heated, and quit running. tow truck driver tried to restart, he held the switch in start mode for a long tim...
It starts overheating after 10min of driving then I start to hear bubbling noises. I’ve checked for leaks an nothing ...
Didn't find what you were looking for?