Canada - Body - A-Pillar Water Leak
BulletinTSB2791
Issue Date
May 21, 2010
Title
WATER INTRUSION FROM A-PILLAR SEAM SEALER
Component
BODY
Models
'10 RX350
INTRODUCTION:
Some North American produced 2010 model year RX350 vehicles may exhibit water intrusion from the A-Pillar area that may be accompanied by a MIL "ON and one or more Air Fuel Sensor related Diagnostic Trouble Codes (DTCs). Please use the following repair procedure to address this condition.
APPLICABILITY:
PRODUCTION CHANGE INFORMATION:
This TSB applies to vehicles produced BEFORE the Production Change Effective VIN shown.
WARRANTY INFORMATION:
PARTS INFORMATION:
REQUIRED TOOLS & EQUIPMENT:
REPAIR PROCEDURE:
1. Confirm the water leak.
Run water over the exterior of the vehicle (near top of windshield) and check interior for water intrusion.
2. Confirm the water leak location.
A. Remove the A-pillar garnish.
2010 RX 350 vehicles with a production date of 07/2009 and earlier [steps 1 - 3]:
1. Pull the upper part of the garnish toward the inside of the cabin and disengage the 2 clips.
2. Cut off clip A.
3. Disengage the 2 guides and remove the front pillar garnish.
2010 RX 350 vehicles with a production date of 08/2009 and later [steps 4 - 6]:
4. Pull the upper part of the garnish toward the inside of the cabin and disengage the garnish from the base of the 2 clips.
5. Turn the end of the front pillar garnish clip A 90° with needle-nosed pliers and remove it from the front pillar garnish.
HINT
Tape the tips of the needle-nosed pliers before use.
6. Disengage the 2 guides and remove the front pillar garnish.
NOTE
- Front pillar garnish clips are reusable if they are NOT removed from the vehicle and have NO damage.
- Replace the front pillar garnish clips with new ones if they are removed from the vehicle.
B. Run water over the roof drip moulding area and inspect the interior A-pillar area for water intrusion.
3. If water is present in the interior, use a plastic pry tool to disengage the front clip and remove the roof drip side finish moulding on the affected side.
If water is NOT present in the interior, continue diagnostics using the repair manual.
4. Clean the affected area using 3M(TM) General Purpose Adhesive Cleaner or equivalent and apply body seam sealer (3M(TM) Flexiclear or equivalent) to the concern area.
5. Confirm the repair by running water over the effected area.
6. Reinstall the roof drip side moulding, making sure to engage the front clip.
7. Reinstall the A-Pillar garnish.
2010 RX 350 vehicles with a production date of 07/2009 and earlier [step A]:
A. Using the NEW front pillar garnish, engage the 2 guides and 2 clips, and then install the front pillar garnish LH.
2010 RX 350 vehicles with a production date of 08/2009 and later [steps B - E]:
B. Confirm that the front pillar garnish clip is NOT damaged.
NOTICE
- If there is any damage, replace the garnish clip with a new one.
- When a garnish clip is being replaced, make sure to install it in the direction shown in the illustration.
C. Engage the 2 guides.
D. Turn the end of the front pillar garnish clip 90 with needle-nosed pliers and install it to the front pillar garnish.
E. Engage the 2 clips to install the front pillar garnish.
8. Inspect the AF2 connector for corrosion and clean/repair as needed.
9. Clear all DTCs and test drive to verify the repairs.
10. If the MIL "ON" condition continues to occur after this procedure, refer to the Repair Manual for further diagnostic procedures and specifications.
NOTE:
Issue of this Technical Service Bulletin is to ensure that proper repair information is available IT DOES NOT CONSTITUTE AN AUTHORIZATION FOR REPAIR. Normal provisions of the formal warranty policy, as applicable, will apply.