Okay so I took my time and this ended up taking me about an hour and fifteen minutes from engine cover off to engine cover on. By far the most difficult part(s) were getting the pump out of and into the block while trying to deal with an manipulate the hard fuel line. I had to be forceful and gentle all at the same time, it was traumatic.
However once the pump was out and my garage was soaked in sweet sweet gasoline everything was pretty straight forward. I ended up wrapping and zip-tying a shop towel around the end of the rubber hose, I suggest doing something similar to avoid spillage.
I actually managed to get the puller under the retainer and above the spring and disassemble it without breaking anything like you bunch of amateurs. But in all seriousness this took patience and a couple of tries, but it is possible.
Once the spring and retainer are off, I will reinforce 100% what Diggs suggested and tell you to definitely use an impact with the Autotech tool to remove the pump core. One light ugga-dugga with the handheld buzzy boi and the threads will break loose and you can unscrew it the rest of the way by hand.
I swapped the internals after applying a touch of oil and then screwed the core back into the pump. Again, I used the impact to tighten this. The spring and retainer were easy to insert and were a bit loose until I pushed down on the top of the piston, this tightened them up.
Be careful when you loosen and unscrew the core from the pump as it is still full of fuel. You can see the aftermath of my BP-style spill and clean up efforts below.
Take your time putting the pump back in the block. Once the hard line is seated in the brass fitting on the bottom and the pump partially in the block, use the two screws to “walk” the pump in by tightening one until you meet resistance, and then switching to the other. Repeat.
All in all, not too bad considering I didn’t have a bench vice, which was my biggest concern going into the job. After taking the car out, my EQT no longer maxes out the HPFP on the base tune and I have a lot more headroom for Ed to work with now. 2 fresh logs were sent to him this afternoon. I’m super pumped, absolute pun intended.
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