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2005 Chevrolet Silverado 1500 Question: I just submitted a question about leaking antifreeze. Maybe this will make it ea

 

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kimkingtaylor, 5.3L V8, Houston, TX, June 15, 2013, 18:45
 Rookie

sier for you to answer--"I smell antifreeze when I start the engine."

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    June 15, 2013, 23:36
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     Master

    Replace the water pump. I can see it leaking from here!

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    kimkingtaylor, June 16, 2013, 00:00
     Rookie

    the water pump will cause me to lose antifreeze?

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    pushrod, June 16, 2013, 02:38
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     Master

    Yep, when it leaks it will, every time!!! Check radiator also.
    Look very close, hard to find at times..even under pressure test!!

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    ChevyASE, June 20, 2013, 06:29
     Journeyman

    Like pushrod said, we can see the water pump leaking from here! GM 5.3L = Water Pump leak!

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    kimkingtaylor, June 20, 2013, 06:42
     Rookie

    Bypassed the Heater Core. No more leak.

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    pushrod, June 20, 2013, 06:45
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     Master

    Ok. No more heat either but you wont need that for awhile!

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    kimkingtaylor, June 20, 2013, 06:59
     Rookie

    Nope not in Houston, TX! 104 yesterday.

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    pushrod, June 20, 2013, 08:39
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     Master

    Crap! Ac ok? These 5.3 engines are just famous for mystery H20 leaks and most of the time it's the pump or rad. A little unusual for the core to leak. When you get it fixed use good old fashion antifreeze, not Dexcool.

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    kimkingtaylor, June 20, 2013, 09:09
     Rookie

    A\C blows artic cold. I was told I had to use Dexcool and not to change it. What's up with that?

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    pushrod, June 20, 2013, 09:19
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     Master

    That is just a bunch of B.S.!! After working on these GM vehicles and seeing the effect of Dexcool, first thing i did, after warranty, on my Blazer is flush that crap out and replace it with the old green stuff. Google Dexcool, look around a bit and you will see, i think. Probably the reason your heater core is leaking!

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