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05-08-2018, 04:52 PM
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#1 |
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Registered User
 Join Date: Dec 2002
Location: Northern Virginia
Posts: 1,268
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2003 2500 HD what trans fluid
Hello:
I have a 2003 GMC 2500HD 8.1 Allison Transmission Getting ready to change fluid. Things are always changing. So what is the trans fluid they now recommend Thanks |
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05-08-2018, 05:12 PM
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#2 |
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Senior Member
 
Join Date: Sep 2005
Location: Lewisville, Nc
Posts: 10,238
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Re: 2003 2500 HD what trans fluid
dexron VI 7.5 qts with drain and fill
__________________
David fuller Ase Certified Mechanic Click here to help support our board!! 1971 Chevy c-10 under going a 4.8l LSx swap Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=421305 2007 Honda Accord my daily 145kmiles 2002 Honda Accord 4 door With 330k(sisters car) 2005 toyota Avalon 228k( brothers car) 2002 Sububran 5.3 245k 2000 Tahoe 5.3l 378 General manager for Marco's Carwash & lube |
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