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Posted 3 months ago

Question: Dave, I own a 2002 455 hp Beaver PT, C12 and recently got an oil sample run at my...

 Ask Dave / 69 views

Posted 3 months ago

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

 Common Problems / 75 views

Posted 3 months ago

Beaver Dim Headlight Fix  “Brighter Headlights for Your Beaver” Document of Roy Mueller / Bill Sprague You Tube Video INTRODUCTION:...

 Common Problems / 68 views

Posted 3 months ago

Slide Sag Remedy Slides will tend to sag over time. Most often this occurs on SMC & Magnum era Beavers....

 Common Problems / 93 views

Posted 3 months ago

Protecting Your RV’s  Roof Over time the gel coated fiberglass roof on your RV can become stained with dirt, mold...

 Common Problems / 249 views

Posted 3 months ago

Hydro/Aqua Hot Problems Updated 1/11/17 The BAC Forum contains extensive discussions on these and other hydronic heater problems, maintenance and...

 Common Problems / 73 views

Posted 3 months ago

Entry Step Problems This write-up covers SCS/Frigette and Kwikee/Coach brand steps. (Data sources: Owner’s Manual, & BCS Forum) (Author thanks...

 Common Problems / 163 views

Posted 3 months ago

CAT Fuel Priming Pump Installation Tips  The following is based on my experience installing the CAT 206-5756 Fuel Priming Pump...

 Common Problems / 79 views

Posted 3 months ago

Proper Tire Inflation The amount of air (PSI) you should put in your RV’s tires depends on a number of...

 Common Problems / 105 views

Posted 3 months ago

Dave worked for Caterpillar as a CAT heavy equipment diesel mechanic. Following retirement from CAT he established Dave's Diesel Diagnostics....

 Ask Dave / 57 views

Posted 3 months ago

Question: What Fuel Transfer Pump is needed to maintain constant fuel flow and pressure on Cat HEUI (Hydraulic/Electronic Unit Injector)...

 Ask Dave / 58 views

Posted 3 months ago

Question: Do all Cat Engines of a given type, e.g C-12, use the same components?   Dave's Answer: Cat builds...

 Ask Dave / 58 views

Posted 3 months ago

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

 Ask Dave / 53 views

Posted 3 months ago

Question: We recently purchased a 96 Patriot 33'. As I was going thru the previous owner’s paperwork I noticed he...

 Ask Dave / 71 views

Posted 4 months ago

Question: I have a 2006 Monterey Laguna IV with a Cat C9. I’ve had a few recent events where while...

 Ask Dave / 69 views

Posted 5 months ago

Question: I'm having some overheating issues with my Cat 3126 in a 98 Monterey with 6 speed Allison tranny. We...

 Ask Dave / 77 views

Posted 6 months ago

Question: Cat C9 engine, 2007 Beaver Contessa. Our engine causes our RV to shudder whenever even slight upgrades are attempted...

 Ask Dave / 102 views

Posted 7 months ago

Question: 1999 Cat C12: On rare occasions, usually upon hard acceleration the engine will blow heavy black smoke and will...

 Ask Dave / 114 views

Posted 10 months ago

Question: My assumption was the CAC cooler would be able to hold a charge of air pressure for several minutes...

 Ask Dave / 139 views

Posted 10 months ago

Question: I have a 525 hp C13. The muffler (CAT part# 261-6861) is shown as a catalytic muffler. What would...

 Ask Dave / 140 views

Posted 10 months ago

Question: We are looking to upgrade from our 1997 coach with a 3126 engine. I am considering a CAT C12...

 Ask Dave / 136 views

Posted 10 months ago

Question: We have a 2007 Contessa with a 400hp C9 (ser# 9DG08521) that has 162000 miles on it. During our...

 Ask Dave / 143 views

Posted 10 months ago

Question: I believe I saw a comment from you that one should always change the boost pressure regulator when changing...

 Ask Dave / 152 views

Posted 11 months ago

2007-2010 Beaver Contessa / Monterey Automatic Generator Start Problem and Solution Problem: 2007-2009 Beaver Contessas and Montereys are wired so...

 Common Problems / 203 views

Posted 1 year ago

Question: I have  a 1998 Beaver with a CAT 3126B. Do you had any comments or opinions on the CAT...

 Ask Dave / 214 views