Is it true.... 1993 GM Cadillac STS and coolant

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Is it true.... 1993 GM Cadillac STS and coolant

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Cadillac Forum >> General Technical Section >> Engine Specific >> Aluminum Block V8s >> Is it true.... 1993 GM Cadillac STS and coolant

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Is it true.... 1993 GM Cadillac STS and coolant - 11/28/2007 10:20:07 PM

9treseville

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that i should flush my radiator often b/c of the engine being aluminum??? I have 195k miles and i just became the owner of an 93 seville sts...any advice?

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< Message edited by Stealth -- 11/28/2007 11:42:21 PM >

Post #: 1

1993 GM Cadillac STS and coolant - 11/28/2007 11:39:33 PM

Stealth

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quote:

ORIGINAL: 9treseville

that i should flush my radiator often b/c of the engine being aluminum??? I have 195k miles and i just became the owner of an 93 seville sts...any advice?

quote:

what i have seen is that often, it does NOT last the ...........

for the rest of the story, go to

http://www.cadillacforum.com/m_6258/tm.htm
http://www.cadillacforum.com/forumid_64/p_1/tmode_1/smode_1/tt.htm

< Message edited by Stealth -- 11/28/2007 11:42:49 PM >

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(in reply to 9treseville)

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RE: 1993 GM Cadillac STS and coolant - 1/14/2008 11:02:10 AM

infowarrior

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In a multi-million dollar study, GM quietly discovered that Dexcool was incompatible with the Nylon 6/6 that they were using in many parts of the engine and cooling system - gaskets, radiators, heater cores, etc. Rather than risk the tax credits they get from the Gov't for long-life coolant, they are quietly changing the plastics rather than the Dexcool. This is how I understand it.

(in reply to Stealth)

Post #: 3