Is it true.... 1993 GM Cadillac STS and coolant
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Is it true.... 1993 GM Cadillac STS and coolant
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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1993 GM Cadillac STS and coolant
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?
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?
what i have seen is that often, it does NOT last the ...........
for the rest of the story, go to
https://www.cadillacforum.com/m_6258/tm.htm
https://www.cadillacforum.com/forumi...smode_1/tt.htm
Joined: Oct 2007
Posts: 12
RE: 1993 GM Cadillac STS and coolant
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.
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