What does heui pump stand for?

What does heui pump stand for?

Hydraulically actuated electronic (HEUI) development and applications. In 1993, CAT and International Truck & Engine Corporation introduced “hydraulically actuated electronic unit injection” (HEUI), where the injectors are no longer camshaft-operated and could pressurize fuel independently from engine RPM.

How much does it cost to replace a high-pressure fuel pump?

The average cost for a fuel pump replacement is between $220 and $1,062 depending on vehicle and age. Labor costs are estimated between $124 and $260, while parts are priced between $95 and $854.

How to install a HEUI pump on a Caterpillar C7 engine?

Here are 14 steps to follow to take out and install a new heui pump on a Caterpillar C7 or C9 engine. Remove the two 10 millimeter bolts with 16 millimeter heads hold the heui pump onto the engine. Remove the oil supply line to the pump. Remove the fuel filter housing. If the coolant line runs over the compressor you’ll have to remove that.

Where are the fuel supply lines on a cat C7 engine?

Remove two fuel supply lines that run off the back of the transfer pump. You will need a special tappet wrench for this fitting. Part number is 192-5092. Disconnect the oil line from the seal plate. Keep the fitting loose it makes it easer to pull the pump.

How do you put a pump in a cat C7 engine?

Getting the pump in can be difficult unless you don’t have an air compressor. Replace the oil supply line into the fitting. Get the gears to mesh with the gears in the front. These are not timed so you don’t have to worry about calibrating. Torque the bolts to 40 foot pounds. Reinstall the filter housing and all lines you took off.

How to change a HEUI pump on YouTube?

Cat C7, 3126, and C9 – YouTube How To Change a HEUI Pump. Cat C7, 3126, and C9 If playback doesn’t begin shortly, try restarting your device. Videos you watch may be added to the TV’s watch history and influence TV recommendations. To avoid this, cancel and sign in to YouTube on your computer. An error occurred while retrieving sharing information.