Tacoma 4WD V6-4.0L (1GR-FE) (2006)
1. Locate the 2 drain vent locations on the back panel below the rear window.
2. Perform a water test by opening the rear window and adding water to the rear window channel shown in Figure 2. Observe the water drainage flow.
NOTICE
As a precaution, apply a shop towel or rags along the base of the interior of the rear window channel to catch any water that may flow into the
cabin during the test.
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If water does NOT drain out of vent locations as shown in Figure 3 proceed to step 3.
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If water drains out of vents as shown in Figure 3 STOP This TSB does NOT apply.