Body - Windshield Wind Noise
T-SB-0257-08August 26, 2008
Windshield Wind Noise
Service Category
Vehicle Exterior
Section
Window/Glass
Market
USA
Applicability
TSB SUPERSESSION NOTICE
The information contained in this TSB supersedes TSB No. NV004-07.
^ Applicability has been updated to include 2008 model year(s) Corolla vehicles.
TSB No. NV004-07 is Obsolete and any printed versions should be discarded. Be sure to review the entire content of this service bulletin before proceeding.
Introduction
Some customers may experience a wind noise that sounds like a "buzz" or "reed vibration" sound from the windshield area. This condition may be the result of wind (air) pressure momentarily lifting the rubber windshield molding away from the body and then forcing the rubber molding back down against the body. The rapid oscillations of the rubber molding produce a high pitch "reed vibration" sound or "buzzing" sound.
The following repair procedure will assist in the repair of this condition.
Warranty Information
APPLICABLE WARRANTY
^ This repair is covered under the Toyota Comprehensive Warranty. This warranty is in effect for 36 months or 36,000 miles, whichever occurs first, from the vehicle's in-service date.
^ Warranty application is limited to correction of a problem based upon a customer's specific complaint.
Required Tools & Equipment
Additional SSTs may be ordered by calling SPX/OTC at 1-800-933-8335.
Parts Information
Diagnosis Procedure
Use this procedure to determine if the rubber windshield molding is lifting away from the body at highway speeds.
1. Apply masking tape over the rubber windshield molding where the molding meets the painted portion of both A-pillars and the roof (bridge over the edge of the molding where it lays against the A-pillars and the roof). Apply masking tape around the perimeter of the windshield molding. (See Figure 1.)
^ Do NOT add tape between the rubber molding and the windshield glass.
^ Apply masking tape between molding and body ONLY.
2. Once masking tape is in place test drive the vehicle at highway speeds (above 50 mph [80.5 km/h]) first traveling in one direction on the highway and then in the opposite direction (for example: first travel north on the highway reverse direction and travel south on the highway).
^ If adding tape between the molding and the body eliminates the noise go to the Repair Procedure in this TSB.
^ If noise is still present tape off additional components until the location of the noise is identified.
Repair Procedure
1. Once the "reed vibration" noise has been eliminated by applying masking tape to the outer portion of the windshield molding and test driving the vehicle, remove the masking tape.
2. Starting at the base of one of the two A-pillars, gently insert the end of a plastic pry tool under the lip of the windshield molding (where it lays on top of the painted portion of the body) and lift a small section of the molding away from the body (see the illustration).
3. While keeping the pry tool under the edge of the molding, insert the nozzle of the 3MTM Clear Auto Glass Sealer under the rubber molding, squeeze the tube, and begin forcing the sealer under the molding.
4. While slowly sliding the pry tool up the A-pillar, follow the pry tool with the nozzle of the sealer while making a continuous bead of sealer under the rubber molding.
5. Continue the process, up the A-pillar around the corner at the top, across the roof, around and down the opposite corner continuing down the opposite A-pillar and finally stopping at the base of the second A-pillar.
6. Wipe off any sealer overflow with 3M(TM) General Purpose Adhesive Cleaner (P/N 08984 or 08987).
7. Let sealer dry according to the instructions shown on the back of the tube of sealer.
8. Test drive vehicle to confirm effectiveness of the repair.