Thread: GM's Tow Haul Mode
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Old 04-22-2010, 04:42 PM   #13
RCN.Stoker
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Join Date: Jul 2009
Location: Hamilton
Posts: 143
M.O.C. #9497
The reference I gave was from an AC Delco Tech Bulletin. I checked also the GM Tech Bulletins. They say the same thing.
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