Why is water still somehow leaking out of my radiator wen I just had it replaced?

20

Asked by Dec 21, 2015 at 09:21 PM about the 1999 Mercury Grand Marquis 4 Dr LS Sedan

Question type: Maintenance & Repair

Ok I just had my radiator replaced along with
the thermostat, and heat sensor. Why then
does it start overheating and I have to put
water back into the radiator?

8 Answers

6,315

Did they also check the cooking fan and water pump? sounds like they've done everything else.

2 out of 2 people think this is helpful.
150,795

Cooking fan Guy? Just messing with you. I make more typos than you can believe. But seriously, Richard he is right spot-on.

2 out of 2 people think this is helpful.
58,295

Who did the work? A certified mechanic or some one else? Reason saying is wondering if the cooling system was purged from air.

2 out of 2 people think this is helpful.
150,795

Now I can post! Had to re-install my Windows 10

2 out of 2 people think this is helpful.
20

U know what, actually the guy who's been working on it, for whatever reason he had decided to try putting his hand where the fan was while the car was running and sure enough he literally stopped it from spinning without any injury. Do u guys really think that this could be the issue?

1 out of 1 people think this is helpful.
20

And thanks alot guys. Just hearing what u all had to say makes me alot more hopeful in getting this car up and running again. Honestly I was real close to giving up

1 out of 1 people think this is helpful.
58,295

Make sure the fan/fans are working, and bleed the cooling system by leaving the radiator cap off during warm up to operating temp. Coolant may spill out but that would be the air coming out. The level will drop so then add more coolant until it is full, all the while the car is running. Put the cap on before turning the car off.

3 out of 3 people think this is helpful.
150,795

That plastic fan blade is run on a very low power, and it's not like sticking your hand in an old V8 belt driven fan. He was 'testing' is in a very low-tech way but that works. Those fans don't even come on at about 40mph or so, there is plenty of air flow at speeds of 40 to make fan(s) useless and redundant. personally I would have used a stick ...not my hand but same thing

2 out of 2 people think this is helpful.

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