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70 item(s) found

Posted 1 year ago

Question: Dave, if I have understood your posts, you have basically said that the valve lash adjustment is probably not...

 Ask Dave / 335 views

C12 Won’t Start

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Posted 1 year ago

Question: The starter cranks my C12 with no problem but it won’t fire. What could cause this?   Dave’s Answer:...

 Ask Dave / 432 views

Posted 1 year ago

Question: I have been told by a Cat mechanic to change the oil in our C 9 400 hp every...

 Ask Dave / 303 views

Posted 1 year ago

Dave, Should I use starting fluid when my engine doesn’t want to start?   Dave’s Answer: Recently I was contacted...

 Ask Dave / 188 views

Posted 1 year ago

Question: 1988 Beaver C12 425 hp. I was having low power issues and noticed sediment and cloudy fuel in the...

 Ask Dave / 130 views

Posted 12 months ago

Question: Hi Dave, A week ago my engine began to be harder to start and made a white smoke. I...

 Ask Dave / 144 views

Posted 9 months ago

Question: Dave, in your forum post, you made mention of alternatives to the hard to get hydraulic fan. Could you...

 Ask Dave / 110 views

C12 ECM Upgrades

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Posted 9 months ago

Question: I have a 2000 Beaver Marquis with the CAT C12 with 58000 miles. I am wondering would I benefit...

 Ask Dave / 120 views

Posted 8 months ago

Do you have an oil sample analyzed at each oil change? If not, the following may change your mind. An...

 Ask Dave / 127 views

Posted 8 months ago

Question:  Dave, Short of purchasing a Cat data reader which is very expensive how does an owner/operator find out which...

 Ask Dave / 147 views

C13 Flash Codes

Popular 

Posted 8 months ago

This list of Flash Codes is only applicable to the CAT C13 engine. Before replacing any part or taking any...

 Common Problems / 147 views

Posted 8 months ago

Common Problem articles are available to Beaver Ambassador Club (BAC) Forum members only. To access the articles, join the BAC...

 Common Problems / 175 views

Posted 8 months 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 / 168 views

Posted 4 months ago

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

 Ask Dave / 60 views

Posted 4 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 / 53 views

Posted 2 months ago

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

 Ask Dave / 19 views

Posted 2 months ago

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

 Ask Dave / 21 views

Posted 2 months ago

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

 Ask Dave / 23 views

Posted 2 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 / 20 views

Posted 2 months ago

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

 Ask Dave / 19 views

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