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reelcamper1's avatar
reelcamper1
Explorer
May 30, 2019

2015 GMC Sierra Denali-catastrophic fuel pump failure

Had a catastrophic fuel pump failure in our 2015 GMC Sierra Denali 2500HD Diesel......lost all power steering, brakes, etc. Dealer wants $12000 to repair! When the pump fails, metal shavings go thru e...
Tow Vehicles
Halmfamily's avatar
Halmfamily
Explorer
May 31, 2019
There is a new upgrade on the market for Duramax that will let you change the CP4 pump to a CP3. The article was in Trailer Life magazine, one of the last two issues. Might be worth checking out if have to come out of pocket

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