GMC Sierra 2500HD Questions Any type

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NVPhil21 asked a 2009 GMC Sierra 2500HD General question 15 years ago

6.2 Liter In 2500 Series

Why isn't the 6.2 liter Flexfuel available in the 2500 series? Will it become available midyear or in 2010?

1,454 views with 2 answers (last answer 12 years ago)
125

Joshua1220 asked a 2003 GMC Sierra 2500HD Car Customization question 15 years ago

Allison Transmission Upgrades

I was about to upgrade my whole transmission... because my torque converter is slipping into 1st and into 5th.... but has anyone ever done an upgrade? Who with? What brand? and did it help?

4,372 views with 4 answers (last answer 14 years ago)
25

HUP825 asked a 2005 GMC Sierra 2500HD 4 Dr SLE 4WD Extended Cab SB HD Maintenance & Repair question 16 years ago

LOCATION OF EGR VALE

1,493 views with 2 answers (last answer 15 years ago)

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