When about to troubleshoot a complaint of a noisy transmission on a truck,which of the following should be done first in a troubleshooting sequence?

A) road test
B) drain the transmission oil and check for metal particles
C) raise the truck off the floor and spin the wheels up in each gear
D) remove the transmission and disassemble

Question

Katrina Jacquelyn · Accepted Answer

Final Answer : A, Explanation :  The first step in troubleshooting a noisy transmission should be a road test. This allows the technician to verify the complaint under normal operating conditions and potentially identify the conditions under which the noise occurs. It's a non-invasive and cost-effective initial diagnostic step before proceeding to more intrusive and potentially expensive diagnostics.

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