What kind of valve actuation does cat C7 use?
Within the design of the C7, the turbos use variable geometry valve actuation controlled by the ECM to adjust the perfect amount of airflow into the combustion chamber. This variable valve actuation also allows for the CAT C7 to offer an integral jake brake on two of the heavy duty diesel horsepower models.
What are the issues with the cat C7 ACERT engine?
The ACERT technology was prone to numerous regeneration issues. Drivers reported low power and low fuel economy. It was common that the CAT C7 ACERT engines would experience overheating when driving up an incline. The cooling fan does not kick in until 235 degrees Fahrenheit while many drivers reported overheating at 200 degrees Fahrenheit.
What was the cat C7 diesel engine good for?
The electronic configuration was also more robust to offer better fuel management and electronic sensors into the engine. The CAT C7 was really the first heavy duty diesel engine to offer a greatly expanded ECM or electronic computer module.
When did the Caterpillar C7 replace the 3126?
In the second half of 2003, Cat released the replacement for the 3126 version, known as the C7. Once again, you can see the trend as demand rises. Whether the circumstance involves making more power or keeping compliant with growing emissions standards; in order to compete, things must change.
How is the engine control module ( ECM ) replaced?
The engine control module connections are disconnected and the module is removed. The new module is installed and secured. The electrical connections are connected. The battery is reconnected and a charger is connected to maintain battery charge if needed. Any removed access or trim panels are reinstalled.
What is the fuel delivery system on a cat C7?
The fuel delivery system on the CAT C7 is hydraulic electronically controlled unit injectors for the mid horsepower models and mechanically actuated and electronically controlled on the higher horsepower models. Both systems are metered and timed to inject multiple bursts of fuel to create a more efficient combustion cycle.
Where can I get parts for a Caterpillar C7 engine?
Parts for C7 Caterpillar Engines. We carry a wide selection of parts for Caterpillar C7 diesel engines, including overhaul kits, piston kits and main bearing sets. If you need any help finding a part, please use our quote request form or call us at 888.687.0539: our knowledgeable inside sales staff will promptly assist you.
How to find the diagnostic code for a Caterpillar C7 engine?
Here is another place to post your question. Use the diagnostic lamp to determine diagnostic flash code. Use the following to retrieve diagnostic codes if engine with a diagnostic lamp: First turn cruise control On/OFF switch to The OFF position. Second move the SET/RESUME switch to either position.
What’s the best way to find the TDC on a car?
As soon as your thumb moves it will relieve the pressure, allowing you to place it over the hole again. Look into the hole with a flashlight to find TDC. Once your thumb has been pushed off the spark plug hole, use a flashlight to peer down into the hole at how close the cylinder is to the hole itself.