Slow Acceleration Test

WARNING: This page is about a different car, the 2004 Mercury Mountaineer and 2004 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.

To carry out this test, proceed as follows:

Slowly accelerate to the speed where the reported concern occurs. Note the vehicle speed, the engine rpm and, if possible, determine the vibration frequency.
Attempt to identify from what part of the vehicle the concern is coming.
Attempt to identify the source of the concern.
Proceed as necessary.