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Coolant Change Question

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My 2004 XLR has 25K miles on it and I guess I should change the coolant. Is this a big job and what is involved. Also I know on other Caddys they reconmend the coolant tablets. Should you use the tablets in the XLR coolant system?

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My 2004 XLR has 25K miles on it and I guess I should change the coolant. Is this a big job and what is involved. Also I know on other Caddys they reconmend the coolant tablets. Should you use the tablets in the XLR coolant system?

I believe the manual says to change it at 5 years or 100,000 miles...whichever comes first.

My personal preference is not to use the tablets.


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GM quit using the tabs around '02.

You're way overdue for a coolant change. GM says 100K or 5 yrs, whichever comes first. Personally I wouldn't go longer than 3 yrs.

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