How much of a job?

'91 Camaro w/V6
Owner claims a freeze-plug rusted out in the rear of the block and is leaking. I'm not familar with the V6. Apparently this plug is at the
back of the block, not on the sides. Other than this problem, car is in good shape and he's kept it clean. The 'rusted out' part bothers me since that shouldn't ever happen with proper coolant protection. Anyways, the price is right and I'm asking how difficult is it to replace that freeze-plug? This might be a good car for my granddaughter. Thanks for any advice....
Dave S(Texas)
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Sounds like it is between the trans and the rear of the block, trans must come out. Look at the others could be close to the same condition, BTW, the fact it has coolant in it does not protect agaist rust and corrosion unless it was flushed every 3 years, this is a 16 year old car.

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Good advice, Shep. Replacing the Welch plug isnt a problem...getting to it is a problem.
And your point on coolant is right on.
Sometimes even if you replace the coolant regularly, you will get corrosion. If the system is leaky, sucks in air upon cooling, etc no corrosion inhibitor package in the world can offset such contamination.
I had a friend who had a leaking plug on an old 60 Chevy Impala in a similar location. He put in some sodium silicate (water glass) and got it to stop leaking for a year or so. It is a lame solution, but sometimes a solution like this can buy you the time you need.
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snipped-for-privacy@webtv.net wrote:

usually rust from the outside in.
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wrote:

How do you figure that??
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Roy wrote:

All the ones I've had to replace did.
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alway inside out.
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Agreed.

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Yup, inside out for me as well.
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Count me in - inside out.
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hls wrote:

Must be due to me living in the rust belt. You don't get the choice to not change your coolant as something rusts out every couple years.
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