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We have a 1988 Astro, and have been running into the same problem. As it turns out, the freeze plugs are being eroded from the inside, and have to be removed and replaced. Out mechanic says he's nervous that the engine block itself may have the same thing happening to it, so he's pretty careful when he changes the things. So far we've only replace the plugs as the problem occurs, and not pulled all of them for replacement.
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∙ 8y ago
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Why is antifreeze leaking from underside of engine area on a 2002 Chevy Express van?
Possible leaking hoses or water pump
Where do you put antifreeze in a Chevy Astro van?
directly in the radiator while the van is running
You have 1998 Astro van and have an antifreeze leak you have checked and replaced all the belts Where could it be coming from?
If it has the 4.3 ltr engine, the intake manifold is notorious for leaking at the back of the engine where you cannot see it. Try using a mirror at the rear of the intake manifold and look for wetness. Replacing the gaskey is the best fix.
On an Oldsmobile Silhouette van leaking antifreeze and its not from the radiator resevouror hoses where else could it be leaking from?
Intake manifold gasket leak....big problem with that engine. Sorry for the bad news.
Do you have a Engine Diagram of 1995 Chevy Astro Van?
engine diagram of 1995 chevy astro vas
Why in 2001 chavy astro van when turn on the ac the engine starts to get hot.?
why the engine gets hot when i turn on the AC.in Chevy astro van.
Why is fluid leaking into passenger side floor 2000 Chevy astro van?
most likely cause is your heater core leaking
Why would antifreeze be leaking from right side of Montana van?
intake manifold gasket is leaking. They are famous for it around 80000 miles
Is a 1992 astro van 4.3 a vortex engine?
No
Where is the fuel pump located on a 94' Astro Van with a V6 engine?
All Astro Van Fuel Pumps are in the Gas Tank.
Leaking water pump gasket on a 1997 Chevy astro van?
if you have a leaking water pump gasket i thing bay a new one is better
How much antifreeze should be added to the radiator of a Chevy Astro Van?
The mix should be about 50-50, at least.
