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I have a 3306 that has bent/broken the rocker shaft twice at
Hi, I have a 3306 that has bent/broken the rocker shaft twice at no. 6 intake. The valve and guide looks OK, the camshaft looks OK and there isn't any sign of the piston hitting the valve. We have run… read more
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I need to replace the rocker arm on Nr 7.....and when
I need to replace the rocker arm on Nr 7.....and when cranking the engine to lower the rods to the lowest point,the left rocker stays loose … read more
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I have 2006 c7 cat popping sound from air filter at all
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I have a 1997 GMC semi truck very similar to the volvo. It
I have a 1997 GMC semi truck very similar to the volvo. It has a c12 cat engine and I need to know the valve adjustment messures and the torque specifications of the valve cover and the three valve co… read more
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What causes a 2003 CAT C10 engine Cylinder 5 valves to bend. Some tech says engine over speed, but if the base timing is set right, how the valve will contact by just over speed and why only number 5?… read more
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Cat 3406b-c,3zj prefix. Rattling noise as rpm comes up. No
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1987 3406B came in with fuel in the exhaust, pulled valve
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2007 Mack CV713, 1M2AG11C67M061575, A1427/ASET engine.
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I have a c12 cat...engine started missing...i pulled valve
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hey i have 94 kenworth with 425 cat that just started to miss when you start to rev it up
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We have an 8.3L ISC 230 Cummins in a 2000 Freightliner FL70
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i have a cat c-12 in a 2000 sterling. during recent service
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Hello I have 3126b that keeps throwing the #3 pushrods intake
Hello I have 3126b that keeps throwing the #3 pushrods intake and exhaust. The cylinder head had to be rebuilt because the exhaust valve came in contact with the top of the piston, I replaced the pist… read more
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What would cause a piston to melt down on a Cat ESN-4MG86157.
What would cause a piston to melt down on a Cat ESN-4MG86157. Also the head is cracked between the intake valves on the same cylinder. What would cause that?… read more
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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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