MG

Moderator
Please see T-SB-0079-21

Applicability:
2019 - 2020 4Runner

Introduction:
Some 2019 – 2020 model year 4Runner vehicles may exhibit a grease leak from the edge of the inboard joint boot of a front drive shaft where the clamp is located. This condition may appear in vehicles with less than 25,000 miles with no apparent damage to the boot. Follow the Repair Procedure in this bulletin to address this condition.

Production Change Information:
This bulletin applies to vehicles produced BEFORE the Production Change Effective VINs shown here: JTEBU5JR#L5820732

Warranty Information:
Drive Shaft Boot (One Side) or Opposite Side
New Part number: 04437-60090

APPLICABLE WARRANTY:
This repair is covered under the Toyota Powertrain Warranty. This warranty is in effect for 60 months or 60,000 miles, whichever occurs first, from the vehicle’s in-service date.
Warranty application is limited to occurrence of the specified condition described in this bulletin.
When filing claims for this repair, please follow Toyota Warranty Policy 4.21 (Leak Repairs).

Repair Procedure:
Does the vehicle exhibit a leak from the inboard joint boot of the front left-hand or right-hand drive shaft where the clamp is located?
YES — Continue to step 2
NO — This bulletin does NOT apply. Continue diagnosis using the applicable Repair Manual

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2. Is there visible damage to the boot (cuts, tears, rips, etc.)?
YES — This bulletin does NOT apply. Continue diagnosis using the applicable Repair Manual
NO — Continue to step 3.

3. Remove the inboard joint.

4. Disassemble the inboard joint

5. Reassemble the inboard joint with the NEW boot kit.

6. Install the inboard joint with the NEW boot kit.

7. Test-drive the vehicle to confirm the drive shaft is no longer leaking

...And taking a look at Toyota's T-SB-0079-21: 2019-2020 4Runner CV joint boot leaks!

 
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