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Old November 6th, 2013, 03:52 PM   #1
john_farina
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Default 99 Silverado Leaking Coolant

I have a 99 silverado with a 5.3 v8. Awhile ago i started smelling burnt coolant. And a couple days ago i started seeing coolant on my driveway. I looked at my engine and it's not leaking from the water pump, or heater hoses. it looks like it's coming from the head gasket i think. im not 100% sure though. I was wondering if this was a common chevy problem? or if anyone has had this happen to them?
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Old November 6th, 2013, 03:59 PM   #2
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intake gasket more like it; check your oil, if it is the head gasket the oil should be slightly milky unless it's only just started
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Old November 6th, 2013, 04:03 PM   #3
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well it's been going on for about a month, but i checked my oil about a week ago and it seems fine.
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Old November 6th, 2013, 04:16 PM   #4
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5.3`s dont have coolant in the intakes



I if it looks like the front of the head its more than likely the waterpump
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Old November 6th, 2013, 04:37 PM   #5
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Quote:
Originally Posted by joescamaro67 View Post
5.3`s dont have coolant in the intakes



I if it looks like the front of the head its more than likely the waterpump
x2. The intakes are dry on those.

It still wouldn't hurt to check the oil, in case there is a problem with the heads.

If it's concentrated on the passenger side, and especially if it is a considerable amount, I would check the coolant reservoir cap. I haven't had a problem with my Silverado, but I've seen those fail and spew coolant once the engine warms and pressure builds.
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Old November 6th, 2013, 06:35 PM   #6
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well i changed the water pump a little bit ago, and it seems dry. its mostly damp on the drivers side.
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Old November 6th, 2013, 07:08 PM   #7
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Check here p://www.chevytalk.org/fusionbb/showtopic.php?tid/211485/

Last edited by firehawk; November 6th, 2013 at 07:12 PM.
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