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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
N-Trouble's avatar
N-Trouble
Explorer
Jun 03, 2019
Halmfamily wrote:
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


Not new... CP3 retro fit kits have been around for several years now.

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