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70 item(s) found

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

Posted 2 years ago

CAT Fuel Priming Pump Installation (Parts List is at end of this document)  The following is based on my experience...

 Common Problems / 1526 views

Slide Sag Remedy

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Posted 2 years ago

Slides will tend to sag over time. Most often this occurs on SMC & Magnum era Beavers. Paint border misalignment...

 Common Problems / 1051 views

Posted 2 years ago

The answer of which system to use is;   ”It Depends…” (Note, the following information is taken from BAC Forum Technical...

 Common Problems / 1666 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

This is an old post on the Forum. We have had drains in our awnings for about 8 years now...

 Common Problems / 503 views

Posted 2 years ago

Absorption or Residential Refrigerator for my RV? If your factory supplied absorption refrigerator fails, you have a couple of options...

 Common Problems / 670 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

Posted 2 years ago

Dave, I have a 06 Beaver Patriot Thunder with the C13. It has a Racor 125gal/hr primary fuel filter and...

 Ask Dave / 526 views

Posted 2 years ago

Question: Water temperature gauge is not showing any temperature reading on my 2001 Patriot with a 3126B Engine. The needle...

 Ask Dave / 378 views

Posted 2 years ago

Dave, Why is it difficult for the C9 to maintain proper fuel flow and pressure with the original pump that...

 Ask Dave / 541 views

Exhaust Brake Use

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Posted 2 years ago

Question: Read on another forum that, according to a long-haul trucker, he would avoid using his Jake brake when over...

 Ask Dave / 640 views

Fan Not Running

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Posted 2 years ago

Dave, The fan on my C12 is not coming at all, the receiver tank is (full) brand new steel tank...

 Ask Dave / 423 views

Posted 2 years ago

Question: Dave, Should I be using additives for fuel, oil or fuel?   Answer: Neither CAT nor Cummins recommend additives....

 Ask Dave / 443 views

Posted 2 years ago

Question: Dave, can you explain how the compression brake works?   Dave’s Answer: Author’s Notes: The following is taken from...

 Ask Dave / 381 views

Posted 2 years ago

The attached document from CAT explains the various components contributing to fuel mileage and the impact of each. Understanding CAT...

 Common Problems / 592 views

Posted 2 years ago

Question: Do you know where the coolant inlet/outlet goes to on a 10R-5407 water pump on my C9 #9DG07025? The...

 Ask Dave / 226 views

Failing Thermostat

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Posted 2 years ago

Question: What symptoms would a defective thermostat have in a Cat C-9 (07 Contessa with 150k miles).     Dave’s...

 Ask Dave / 225 views

Posted 2 years ago

Question: We have generated a low boost pressure 25 code 102-1 for the last several years while still generating 32...

 Ask Dave / 388 views

Posted 1 year ago

Dave, I’m losing power and getting a 164-11 code on my heui engine (3126/C7/C9). Dave’s Answer: When troubleshooting an injector...

 Ask Dave / 390 views

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