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Old 10-15-2012, 04:35 PM   #1
Junior Member
Join Date: Aug 2012
Location: Las Vegas
Posts: 8
C7 HUIE Pump Failure

I sent a email to Cat about my HUIE PUMP failure and the bill was going to be $ 8000.00 +. I received a call from a Mr.Gruhn and he informed me that Cat has a Kit for this.The kit is much cheaper ( then buying all the parts separately)and has a 3 yr warranty.The part No for my C 7 330 hp is 20RO643 I just sent email to Cat.
I just want to give Mr Brenn Gruhn a BIG THANK YOU. He informed me and the Freightliner Shop about the Kit Cat has for the HUIE pump failures.It was still not cheap for the repair,but lot better.They did find a hose lock missing.
This C7 engine has never ran so strong since it was new as it runs now. I have no idea what the difference is.I only wish it ran this way from when I bought it new.
Hope this helps if you have a HUIE PUMP Failure.

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Old 10-15-2012, 04:48 PM   #2
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Triple E Owners Club
Join Date: Aug 2010
Location: Pacific Northwest
Posts: 723
Do you know what failed? I had to replace the sensor and the control valve and that alone was around $1200. Just wondering what else could go bad.

1997 Triple E Empress, Freightliner Chassis, CAT 3126 w/ 275 horse's.
MD 3600 Tranny, 2011 Ford Escape Hybrid w/Blue Ox tow bar and Roadmaster Base Plate.
Amsoil Synthetic Oil only for my baby.
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Old 10-15-2012, 05:00 PM   #3
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Join Date: Jun 2010
Posts: 4,370
When mine failed it allowed metal fragments into the injectors so it was the pump & injectors that needed replacing and cost was just under $8000.
Bob, Sandi & Marmaduke the Big Pug
SW OREGON 2004 Journey 39K, 330 Cat
If towing: a 2006 Mini Cooper or 2015 RAM Limited 4X4
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