Body - Howling Noise From The Roof Rack

NUMBER: 23-044-07

GROUP: Body

DATE: October10, 2007

SUBJECT:
Howl Sound From Roof Rack

OVERVIEW:
This bulletin describes the proper orientation of the Roof Rack Bows.

MODELS:

2008 (RT) Caravan/Town & Country

DISCUSSION:
Some customers may experience a howl sound that can be caused by incorrect installation of the Roof Rack Cross Bows. This sound may be heard in a wide range of speed and cross wind conditions.





The roof rack cross bows are designed in an "Air Foil (tear drop) shape and the leading edge (thick section) of both cross bows must be facing forward and the trailing edge (thin section) facing rearward (Fig. 1). In addition, when the roof rack is not being used to carry items, the cross bows should be placed in an optimum (static) fore I aft position with the forward bow located slightly in front of the roof rail center support and the rear bow positioned fully rearward on the rail. (Fig. 1).

DIAGNOSIS:
If the sound is described or experienced, inspect the Cross Bows for correct orientation as shown in (Fig. 1). Are the Cross Bows orientated properly?

^ Yes - Further Diagnosis is Required.

^ No - Perform the Repair Procedure.

NOTE:
Provide a copy of these instructions to the Customer for their future reference when using the Roof Rack

REPAIR PROCEDURE:

1. Remove and reorient the cross bows with the leading edge (thick section) facing forward. Position each bow in the optimum (static) fore / aft position (Fig. 1).

POLICY:
Reimbursable within the provisions of the warranty.





TIME ALLOWANCE:





FAILURE CODE:

Disclaimer:
This bulletin is supplied as technical information only and is not an authorization for repair.