How to adjust the valve clearance on a C9 ascert?
How to adjust the valve clearance on a C9 ascert?
Insert the turning tool into one of them and rotate the engine clockwise as facing the front. Up above where the turning tool goes, you will see a plug. Remove the plug and insert a small bolt or pin. While rotating the engjne, the pin will fall into a hole in the flywheel when it gets on TDC.
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.
How to adjust the valve clearance on a cat engine?
First the engine needs to be out on TDC. To do this, you will need the Cat engine turning tool 9S-9082. You will see two football shaped covers held on with two bolts on each side of the bell housing. Insert the turning tool into one of them and rotate the engine clockwise as facing the front.
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.
Insert the turning tool into one of them and rotate the engine clockwise as facing the front. Up above where the turning tool goes, you will see a plug. Remove the plug and insert a small bolt or pin. While rotating the engjne, the pin will fall into a hole in the flywheel when it gets on TDC.
What happens when the valve clearance is out of specification?
If the valve clearance is excessively out of specification, the engine will fail to start. When the engine fails to start due to misadjusted valves, a faint coughing sound can usually be heard from the intake, when the engine is cranked. Incorrect valve clearance is a very common problem with this engine.
First the engine needs to be out on TDC. To do this, you will need the Cat engine turning tool 9S-9082. You will see two football shaped covers held on with two bolts on each side of the bell housing. Insert the turning tool into one of them and rotate the engine clockwise as facing the front.
