4.3 CHEVY s10 2002 low coolant

coolant
chevrolet
s-10

#1

it has low coolant level but not leaking it any where. i’m thinking lower intake gaskets, but do the 4.3 have coolant go thought the plastice intake like the 3.8


#2

The intake gasket on my 2000 Blazer 4.3 was replaced in early 2004 due to leaking. The coolant was dropping slowly (~1 pint/month). During an oil change the mechanic found a small amount of coolant as the last of the oil drainded out.

I also replaced the radiator cap with a Stant Model 10230 or 11230 (Spring-Center type). There’s some info in this link.

http://www.imcool.com/articles/antifreeze-coolant/dexcool-macs2001.php

Ed B.


#3

this one is dueing the same thing. so it was just your lower or did you do both upper and lower gaskets?


#4

it dosn’t look like the coolant runs thought it


#5

I believe it was the gasket between the manifold and the block.

Ed B.