What are the flywheels and flex plates on a Chevy engine?
Gen I and Gen II Chevy engines featured two available diameters of flywheels / flex plates and two corresponding tooth counts of 153 and 168. Gen III, IV, V LS/LT series engines feature only the large diameter, 168 tooth flywheels and flex plates, but carry either a 6, 8, or 9 bolt crank flange. Early GM (Chevrolet) Small Block Engines
How do you replace the flywheel on a Chevy truck?
How to Replace the Flywheel in a Chevy Truck. Block the rear wheels to prevent the vehicle from rolling. Remove the gear shift lever by removing the rubber cover and lifting it up onto the gear shift handle. Make sure that the gear shift is in “Neutral.”.
Why is my starter not connecting to the flywheel?
This causes the starter gear to not engage properly and grind against the flywheel. When a starter is “over-starting” it is actually not disengaging from the flywheel properly.
How many bolts do you need to replace flywheel?
Six bolts, three short and three long, will need to be removed with the use of one or two closed-end spanner wrenches. Each bolt should be loosened before being removed to eliminate pressure being applied to the remaining bolts unevenly after most have been removed.
Where are the bolt holes on a Chevy flywheel?
These are the bolt holes found around the center of the flywheel. According to GM Parts Direct, 1955 to 1985 small-block Chevrolet flywheels have a 3.58-inch bolt pattern, whereas 1986 and later flywheels have a 3-inch bolt pattern. Determine the bolt pattern by measuring the distance between the bolt holes.
Gen I and Gen II Chevy engines featured two available diameters of flywheels / flex plates and two corresponding tooth counts of 153 and 168. Gen III, IV, V LS/LT series engines feature only the large diameter, 168 tooth flywheels and flex plates, but carry either a 6, 8, or 9 bolt crank flange. Early GM (Chevrolet) Small Block Engines
What’s the bolt pattern on a small block flywheel?
According to GM Parts Direct, 1955 to 1985 small-block Chevrolet flywheels have a 3.58-inch bolt pattern, whereas 1986 and later flywheels have a 3-inch bolt pattern. Determine the bolt pattern by measuring the distance between the bolt holes. Some 350 cubic-inch and smaller engine-flywheels have bolt holes to accommodate both patterns
This causes the starter gear to not engage properly and grind against the flywheel. When a starter is “over-starting” it is actually not disengaging from the flywheel properly.