STILL leaking after front pump seal replacement - Pump housing gasket? | Chevy and GMC Duramax Diesel Forum
![I'm tuning up the engine in my tripac apu and I noticed I have a fuel leak from the delivery valve on my injection pump. I've never opened one up, are there I'm tuning up the engine in my tripac apu and I noticed I have a fuel leak from the delivery valve on my injection pump. I've never opened one up, are there](https://preview.redd.it/im-tuning-up-the-engine-in-my-tripac-apu-and-i-noticed-i-v0-g32k2uezhy8a1.jpg?width=640&crop=smart&auto=webp&s=608b365a445a136a66dc2053d57eeacc2f7216b0)
I'm tuning up the engine in my tripac apu and I noticed I have a fuel leak from the delivery valve on my injection pump. I've never opened one up, are there
![Symptoms of a bad fuel pump — Ricks Free Auto Repair Advice Ricks Free Auto Repair Advice | Automotive Repair Tips and How-To Symptoms of a bad fuel pump — Ricks Free Auto Repair Advice Ricks Free Auto Repair Advice | Automotive Repair Tips and How-To](https://ricksfreeautorepairadvice.com/wp-content/uploads/2015/12/surrr-fuel-tank-and-check-valve-1024x857.jpg)