Answer :
A dial indicator is used to measure ball joint play. This tool is essential for automotive maintenance and diagnostics.
When checking for ball joint play, precision is crucial as excessive play can lead to poor handling and control of a vehicle. The dial indicator helps measure small displacements or movements in mechanical components, offering high accuracy and reliability.
How to Use a Dial Indicator for Measuring Ball Joint Play:
Setup: Attach the dial indicator to a stable and secure part of the vehicle's suspension system where it can be aligned with the component being measured.
Zero the Indicator: Before taking measurements, ensure the dial indicator is set to zero at the point of contact.
Check for Play: Move or manipulate the ball joint and watch the indicator for any movement beyond acceptable limits. Manufacturers will typically provide specifications for the maximum allowable play.
Using a dial indicator for this purpose can help identify issues such as wear and tear that could compromise vehicle safety if left unaddressed.
In this multiple-choice question, the correct option is (D) dial indicator.
