Wondering if its thw water pump or thermestat

Asked by Feb 01, 2014 at 07:52 AM about the 1999 Mazda 626 LX V6

Question type: Maintenance & Repair

Over the last few weeks my car has
started running alittle hot maybe
once or twicw but as soon as I stop it
goes back down to temperature and
wont do it agaon I have to almost put
water in it everyday and I hear no
sqeaks or noises the water pump may
be going out but I also dont want to
get stranded how could I figure out
which one it is for sure?

3 Answers

39,145

The easiest and cheapest place to start is the thermostat. Replace that. Also, if you have electric cooling fans, make sure they are turning on when your engine is hot. You may have one fan that seized up if you have dual fans.

1 of 1 people found this helpful.
241,955

http://wiki.answers.com/Q/Why_would_a_car_only_overheat_when_drivin g_on_highway_not_when_driving_around_town

1 of 1 people found this helpful.
67,415

Sounds like you're low on coolant because it's leaking out. The first course of action is fix the leak and fill up the cooling system with a 50/50 mixture of antifreeze and water. Then see if it still heats up. HTH -Jim

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