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Coolant leak on an 01 5.3 ??

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Old 06-28-2006, 12:21 AM
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Lightbulb Coolant leak on an 01 5.3 ??

Well have a coolant leak and got the low coolant light today!

Looked for the leak when i got home and didnt find any leaks from the hoses or connectors. However i couldnt see **** cause all the intake and fan shroud in the way However i did see some fluid on the bottom of what looked like the water pump. Is there anything I should look for and where should I look. What should i remove or move out of the way so I can actually tell where the leak is coming from.

I searched and found that most of the problems stem from the water pump / gaskets in water pump.

The truck is an 01 with the 5.3L and has 80K on it. Guessing its the water pump

Is replacing a water pump difficult? Is there a walkthrough or anything. Its my brothers truck so i dont know much about it

Sorry for all the questions.
Old 06-29-2006, 09:45 PM
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Probably the gaskets but with 80k, I'd put a pump on it. Not hard to do. Remove- upper fan shroud, fan, belt, hoses from pump, 6 bolts hold the pump on. 20-30 minute job minus run time and refill with coolant.
Old 06-29-2006, 10:41 PM
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Refill and see where it's leaking from, it could just be from a loose clamp or something.



if you do the pump, the most time consuming part will be removing the fan/fan clutch, the rest is pretty easy.
Old 06-30-2006, 09:00 AM
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Just replace the gaskets, my gaskets went out at about 80k also, pretty easy to change
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