Ask Dave

Questions for Dave Atherton.

53 item(s) found

Posted 3 years ago

Dave Atherton joined the Beaver Ambassador Club in 2015 and has been a great help in tracing down problems with...

 Ask Dave / 679 views

Biodiesel

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Posted 3 years ago

Question:  I am trying to figure out if bio fuel is safe for my CAT engine.  There is a lot of...

 Ask Dave / 997 views

Injector Problems

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Posted 3 years ago

  Question: I have a cat C-9 in my Beaver Contessa  and have noticed a loss of power, the CAT...

 Ask Dave / 903 views

Posted 3 years ago

Question: - How do you feel about the fuel system modules on the market that claim more power & fuel...

 Ask Dave / 1350 views

Posted 3 years ago

  Question: Short story, my engine blew up and I am in need of a new engine, whether it be...

 Ask Dave / 815 views

Posted 3 years ago

Question: - Dave, is there a C-9 400 hp mileage at which to change out the idler wheel pulley. We...

 Ask Dave / 741 views

Diesel Fuel System

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Posted 3 years ago

Question: How does my diesel's  fuel system work and waht do I need to know about it? Dave's Answer: The...

 Ask Dave / 725 views

Posted 3 years ago

Question: How to avoid CAT engine failures? Dave's Answer: We recently had a BAC member that had a CAT engine...

 Ask Dave / 866 views

Posted 3 years ago

Question: What are possible fuel system problems and how do we avoid them? Dave's Answer: I indicated that 80% of...

 Ask Dave / 1158 views

Engine Temperature

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Posted 2 years ago

Question: - I just had our failed radiator and charge air cooler replaced. Our coach is a 2004 Patriot, 505hp...

 Ask Dave / 779 views

Posted 2 years ago

Question: I am trying to identity the assembly on my 3126, that is leaking fuel. Its number is 3126 HEUI,...

 Ask Dave / 620 views

Posted 2 years ago

Question: - Hi Dave, I have been reading your posts regarding engine failure, along with ways to avoid it, since...

 Ask Dave / 678 views

Posted 2 years ago

Question: Do I need to include my engine serial # in Ask Dave questions and when I go to the...

 Ask Dave / 726 views

Posted 2 years ago

Question: Why Do HEUI equipped engines sometimes start hard or seem to lose power? Dave's Answer:The HEUI injection system has...

 Ask Dave / 4529 views

Posted 2 years ago

Question: I have a 1996 Beaver Patriot Cat 3126. It has a Winn Coleman fuel system. The glass bowl is...

 Ask Dave / 805 views

Posted 2 years ago

Question: What can cause hard starting on an Onan 7.5 KW generator? Could it be the Glow Plug? Dave's Answer:...

 Ask Dave / 590 views

Posted 2 years ago

Question: is there a Class Action suit against CAT that was settled? If so what engines are involved? Dave's Answer:...

 Ask Dave / 848 views

Posted 2 years ago

Question: What does CAT recommend regarding filter usage and care for their engines? Editor's Note: Our coaches, just like most...

 Ask Dave / 738 views

Posted 2 years ago

Question: I have a 2007 Patriot Thunder with the C13, S# KCB89161. I had a check engine light come on...

 Ask Dave / 1423 views

Oil Sample

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Posted 2 years ago

Dave, How important is it to get an oil sample done when changing oil? Dave's Answer: Oil samples are important...

 Ask Dave / 656 views

Posted 2 years ago

Question: Dave, I keep hearing about turbocharger problems on the 425HP C9 engine. Can you provide some information on this?...

 Ask Dave / 649 views

Posted 2 years ago

Dave, Why is inlet air to engine so important for optimal engine performance? Dave's Answer: A Cat engine requires unrestricted...

 Ask Dave / 514 views

Posted 2 years ago

Question: Dave, How does the Caterpillar Regen System Work on C9, C13, & C15 Engines   Dave's Answer: The Diesel...

 Ask Dave / 690 views

Posted 2 years ago

Dave, I bought an 08 Contessa in Dec. with a CAT C9. It had 4977 miles on it.  Had a...

 Ask Dave / 593 views

C9 Rough Idle

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Posted 2 years ago

Question: What would cause an inconsistent rough or surging idle for a C9 400hp engine in our 07 Contessa? I...

 Ask Dave / 737 views

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