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Fuel Leak

Oct 10, 2023
1
0
Truck Year
2018
I have a 2018 with 72k miles. I have a fuel leak on the passenger side of the motor. Any help or suggestions is appreciated.
Thanks.
 

jdn112011

Well-Known Member
Oct 18, 2015
1,253
344
Truck Year
2015
I have a 2018 with 72k miles. I have a fuel leak on the passenger side of the motor. Any help or suggestions is appreciated.
Thanks.
The high pressure fuel pump is on the front of the passenger cylinder Bank so pull your foam and get looking.
 

CVR_71

New Member
Mar 17, 2023
7
6
Truck Year
2016
I know this is an older thread, but i think I may be having a similar issue.

Within the last week or two, I've been occasionally getting a fuel smell and sometimes after driving & being stopped for a while (30-40 minutes, maybe?) I find a small spot (2-3 inch diameter) of fuel just to the inside of my passenger front tire, under the alternator when looking from above.

I had the fuel pump recall done this past spring, May I think.
Could this be related? Or is there something else fuel related on the passenger side that could be the culprit?
 

BTdriver

Member
Aug 30, 2018
87
41
Truck Year
2015
CVR_71,
It won't hurt to look under the HPFP cover. My first thought is: There's a fuel line coming off the bottom of the pump that goes to the driver's side fuel rail. That line is a single use item. The pump side of that tube has a crush type seal and it's possible the tech reused it or didn't tighten properly.
 

CVR_71

New Member
Mar 17, 2023
7
6
Truck Year
2016
CVR_71,
It won't hurt to look under the HPFP cover. My first thought is: There's a fuel line coming off the bottom of the pump that goes to the driver's side fuel rail. That line is a single use item. The pump side of that tube has a crush type seal and it's possible the tech reused it or didn't tighten properly.


Thanks for the tip, it was at the pump, but I didn't need to remove the cover to access it.
Metal hard line near the top, passenger side of the pump had a slight leak.

I called the dealership that did the recall, they confirmed I could try tightening that connection, as long as I didn't get too aggressive with it.
If that didn't fix, they set an appointment for me to bring it in for them to take a look at.

So, using a small, short wrench (to help me keep from tightening too much) of appropriate size, I was able to to tighten the line nut maybe 1/8 turn or so. No more leak! :)
 
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