Front End Knock When Striking Bump (Replace Engine Mounts) (Export)

Customers may comment on a knock noise from the front of the vehicle when striking a small raised road imperfection, such as a speed bump or a raise tar joint. The noise is described as being similar to striking a heavy piece of timber and is generally experienced when both wheels strike the object simultaneously.

The condition may be caused by a cavitation condition within the hydraulic engine mounts.

Confirm the condition by driving the vehicle. Following TAC approval, replace the engine mounts with the following revised parts. The new engine mounts feature a revised one-way by-pass valve and a revised oil channel design.

Important: Please note that prior to replacement of engine mounts for this condition, TAC approval MUST be requested. Please ensure that your TAC approval is recorded on the repair order to support the warranty claim.

For vehicles repaired under warranty, use: