Econoline E350 1 Ton V8-5.4L Prop SOHC VIN Z (1998)
To assist the service advisor and the technician, a Write-up Job Aid and an NVH Diagnostic Guide are included with this material. The Write-up Job Aid
serves as a place to record all important symptom information. The NVH Diagnostic Guide serves as a place to record information reported on the
Write-up Job Aid as well as data from the testing to be carried out.
To begin a successful diagnosis, fill out the NVH Diagnostic Guide, record the reported findings, then proceed to each of the numbered process steps to
complete the diagnosis.
1. Customer Interview
The diagnostic process starts with the customer interview. The service advisor must obtain as much information as possible about the problem and take a
test drive with the customer. There are many ways a customer will describe NVH concerns and this will help minimize confusion arising from descriptive
language differences. It is important that the concern is correctly interpreted and the customer descriptions are recorded. During the interview, ask the
following questions:
