Ground02 Posted November 17, 2018 Share Posted November 17, 2018 Here is the situation. 99 legacy filled with coolant, ran half hour with funnel full of coolant until bubbles came out, fans cycled many times, released any bubbles from right side upper plug on radiator. Car drives without overheating for long periods without leaking. Shut the car down, come back out and there is an 8 oz puddle under the car under left side front of engine timing cover. Replaced the radiator. Coolant is 50/50 mix. Radiator is new and no leaks there. New cap. Eventually lose enough coolant that we are back at refill and bleed. Is the water pump my problem? Not looking forward to that job as the timing belt cover bolts are very rusted and won't come out easily. 1 Quote Link to comment Share on other sites More sharing options...
sirtokesalot Posted November 17, 2018 Share Posted November 17, 2018 sounds like water pump or t-stat housing. closely inspect the area i suspect you should be able to see a wet spot where its coming from. it could even be a loose hose clamp on the lower hose. 1 Quote Link to comment Share on other sites More sharing options...
john in KY Posted November 17, 2018 Share Posted November 17, 2018 If you just replaced the radiator, strongly suspect a loose hose clamp. 1 Quote Link to comment Share on other sites More sharing options...
1 Lucky Texan Posted November 17, 2018 Share Posted November 17, 2018 clean/dry the suspected area, get a pressure test kit loaned-out from the parts store, look for the leak while under pressure. waterpump definitely possible - miles on it? Quote Link to comment Share on other sites More sharing options...
el_freddo Posted November 18, 2018 Share Posted November 18, 2018 Heater circuit hose from the water pump. Check it out for pin holes. Cheers Bennie 1 Quote Link to comment Share on other sites More sharing options...
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