Forum Discussion

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
hawkeye-08's avatar
hawkeye-08
Explorer III
Jun 04, 2019
First, sorry to the OP for your troubles, hope it works out for you.

We thought about a duramax back in 2010 when we ordered my truck, but our usage just did not make sense, so gas motor for us. Then I start reading about issues with the CP4 pumps and cost of repairs. WOW.

About Travel Trailer Group

44,052 PostsLatest Activity: Oct 13, 2025