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Old 07-12-2017, 02:20 PM
RonC RonC is offline
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Join Date: Jul 2017
Location: central NJ
Posts: 10
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temp was 185 190 and in the middle of the hot hash marks. Both filters were changed with GM parts. The external filter I change every year and that has never affected anything before.The dealer did a drain and internal filter and replaced with dex 6. truck was allways serviced at the same dealer. would the transyn from castrol run cooler? Im leaning towards the fact that GM might have changed the dextron 6 since 2006.
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