How to Fix Leaking HPOP Hose

In many cases, the cause of a leaking high pressure oil pump (HPOP) hose can be traced back to faulty O-rings. Typically, most DIY mechanics can complete this job in a two or three hours. Start by buying either the appropriate O-rings for your vehicle or a kit that contains the O-rings from the manufacturer.

Make Things Easier for Yourself

Since space in tight under the hood, it pays to do whatever you can to make things easier. Though some people have repaired a leaking hose while it is still attached, it is much easier to remove it from the vehicle. In addition, short and stubby wrenches can seem like an unnecessary expense, but they make maneuvering in tight spaces much easier and well worth it if you have large hands.

Completing the Repair

You will find two connections at either end of the hose. Remove those and the job will be much easier to complete. Move the wire that is there gently aside. Using a tool that fits the opening, remove the lines so that you can access the hose. Use the stubby sockets to remove the fittings.

Precision is the Key

Once you have access to the springs, use the longest needle-nose pliers you have to gently remove them. Then remove the plug that rests at the back of the hose. Remove the old O-rings and pop on the new ones. It is important that the springs go back into the pump with their caps first. Make sure that the oil lines are snapped on tightly when you put them back on.

 

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