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Old 10-28-2016, 06:27 PM
X53Jay4.8is X53Jay4.8is is offline
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Quote:
Originally Posted by tavo80816 View Post
Noticed a big coolant leak on the 2002 4.4 yesterday.

It's coming from the front of the engine, dripping from the pulleys and belts. ENGINE has dried coolant marks all over from the top view.

Replaced the water pump about a year ago along with new hoses attached to it.

Culprit?

- water pump?
- valley pan?
-is the alternator water cooled? Possible leak?
-hoses?

Thanks.

Video here: https://youtu.be/f-hmzTIuz34
You are going to have to pressure check it to see where the culprit lies. In any event depending on how many miles you have on the X at some point you will want to change all the hoses. Valley pan leaks normally show signs at the back of the engine dripping down through the bellhousing. You have a pretty good leak so it should not be too difficult to determine where it is doing the pressure check. You may also want to wash down the engine to get a clear path to the leak.
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