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mchnhd4

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  • Name
    Randy
  • Location
    Illinois
  • Drives
    2014 GMC Sierra Crew Cab

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  1. When I had mine in to replace the HPFP I told the service writer this condition but it only happens either backing down a steep boat ramp, or idling on a hill. The pedal gets rock hard. Not an issue when climbing the hill in drive but when you're backing a boat down, hell yea, that could be disastrous. He said they'd fix it. Went back for an alignment 2 weeks later and still had the same problem. The service writer told me that the hill assist is whats causing the hard brake pedal. Basically brushed it off. Does my issue sound like whats going on with the recall?
  2. I did the same thing. Ran 2 bottles in 2 tank refills. Also ran shell Vpower thinking it might be a fuel problem; cuz it only happened when it was hot outside (85+). It came back a couple weeks later. Decided to trust the dealer's diagnosis and pay up $1300 for a hpfp and it's been good ever since. Still gets a little rough on idle when its really hot and idling for a couple minutes but no check engine light or driveability issues.
  3. I usually do. But yes lesson learned. The new condenser doesnt have that thermal tape so I guess fwiw I'll put a piece where the above pic shows. Man this truck has been a money pit since I bought. Last month it was the high pressure fuel pump leaking. That was $1300!
  4. My condenser just took a crap last week. Repair was $730 and that was not at the dealer. Wish I would have seen this first
  5. I just bought a supreme suspensions 2.5" front and 2" rear. The kit comes with differential drop kit components. Supreme's website says 2.5" + may require the differential drop kit. At 2.25" lift i would think it should be ok, but if you're doing higher speed in 4wd and use it a lot I would guess that it will prematurely wear those joints out because of the increased angle.
  6. Exact same issues here just started for me. Same codes and everything. I started a thread a couple days ago on this. Dealer diagnosed is potentially as a PIP5590A and points to the high pressure fuel pump. That is a $1250 fix though and they didn't feel 100% confident about it. Mine seems to happen when the truck is idling in hot weather. Hard shifts are because the truck is going into fault mode. Everyone I talk to is saying its more likely the injectors. After seeing that other poster say he got the injectors cleaned and it seems to be fine I am on the verge of doing that also. Truck has 65k on it and its a 2014 5.3
  7. Here's my stock ride. Got it used with about 40k on it. Putting Nitto Terra Grappler G2's on it this Friday. Not going much bigger than stock as I drive it a lot since I'm a real estate agent and care somewhat about MPG haha.
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