Question

A new starter motor has been installed on an engine and the tech installed the original shim between the starter and the block. when the engine is cranked, a loud whining noise is heard.

A says that there is too little clearance,
B says too much clearance

a) A
b) B
c) Both
d) Neither

Answer 1

The loud whining noise after installing a new starter motor indicates too little clearance between the starter gear and the flywheel, supporting A's statement. Therefore, the correct answer is A.

Step-by-step explanation:

When a new starter motor is installed on an engine and it produces a loud whining noise, this typically indicates an issue with the clearance between the starter gear and the engine's flywheel. The presence of a whining noise usually suggests that the starter gear is meshing too tightly with the flywheel. A says that there is too little clearance, which means that the starter gear and flywheel are too close, causing them to grind against one another. B says there is too much clearance, which would mean that the starter gear and flywheel barely make contact, resulting in a whining noise as the gear attempts to engage. In this scenario, the correct answer is A, meaning there is likely too little clearance between the starter and the block.