How to change a HEUI pump on YouTube?
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How often does a cat HEUI pump fail?
I have recently had 2 Cat HEUI pump failures, and was wondering how widespread this problem is. Cat 324D failed at 4000hrs, and D6R series 3 at 4800 and again at 6800hrs, forcing pump and injector replacement.
Is the cat HEUI pump covered under IIRC?
Of our equipment which was mostly new in the 2008/9 time frame we have had one HEUI pump failure early doors on a 336D, covered under warranty IIRC, but that’s been it to date.
Are there any parts that last longer than HEUI?
Although it’s widely believed that HEUI components don’t last as long as the parts used in conventional injection systems, nothing could be further from the truth.
Where is the fuel pump on a cat HEUI?
There should be a fuel pump on the rear of the HUEI pump. Put a 100 psi pressure gauge on the tranfer pump and see what your pressure reading is. It should be around 70 psi. If not, change the pump.
How long did it take Cat HEUI pump to fail?
Cat changed all injectors and warrantied the Reman pump that we installed, machine ran about 10 hours and the same thing happened again. Cat had to eat the injector and labor cost this time, thankfully. Final tally was three HUEI pumps failed within 20 hours of operation.
How big is the Rev 2 cat HEUI pump?
Caterpillar has upgraded the size of the thrust bearing in the HEUI pump and the part number is now at revision 2 (where the thrust bearing and pump casing is physically larger). If you put the original or rev 1 pump next to the rev 2 pump you can see the size difference in the pump casings.