November 17, 2020 NHTSA CAMPAIGN NUMBER: 20V709000
A detached upper control arm can cause the wheels to lean in or out, decreasing the driver’s ability to steer and increasing the risk of a crash.
NHTSA Campaign Number: 20V709
Manufacturer Tesla, Inc.
Potential Number of Units Affected 401
Tesla, Inc. (Tesla) is recalling certain 2020 Model Y vehicles. The bolts connecting the front upper control arm and steering knuckle may have not been properly tightened, allowing the upper control arm to detach from the steering knuckle.
Tesla will notify owners, and dealers will inspect, and as necessary, tighten the bolts, free of charge. The recall began January 15, 2021. Owners may contact Tesla customer service at 1-877-798-3752. Tesla’s number for this recall is SB-20-31-012.
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
On certain Model Y vehicles, the Front Upper Control Arm (FUCA) to steering knuckle fastener for both LH and RH sides of the front suspension might be loose, or the FUCA to steering knuckle nut(s) might be missing altogether.
Inspect the vehicle for symptoms related to the condition. If symptoms are present, tighten the fastener(s) that attach the FUCA to the steering knuckle, or add nut(s) and/or bolt(s), as necessary.
SB-20-31-012 Page 1 of 3
Service Bulletin Inspect Front Upper Control Arm To
Steering Knuckle Bolts
November 12, 2020
Classification Section/Group Mobile Service
Recall Bulletin 31 – Suspension Can Perform
Model Year Model Country/Region Version
2020 Model Y United States, Canada All
The model(s) and model year(s) listed are a general approximation of the affected VIN list. Refer to the VIN/Bulletin Tracker or Customer/Vehicle profile to determine
applicability of this bulletin for a particular vehicle.
Recall Bulletin: Recall Bulletins are mandatory service procedures that must be carried out by Tesla-certified Service Centers.
Recall work performed by uncertified technicians could lead to unsafe conditions or voided warranty provisions.
Correction Description Correction Time
Inspect FUCA To Steering Knuckle Fasteners; Bolts And Nuts Already Fastened To
Inspect FUCA To Steering Knuckle Fasteners; Fasten LH Side, RH Already Fastened
Inspect FUCA To Steering Knuckle Fasteners; Fasten RH Side, LH Already Fastened
Inspect FUCA To Steering Knuckle Fasteners; Fasten LH And RH Sides S042031011 0.15
Inspect FUCA To Steering Knuckle Fasteners; Add Nut To LH Side, RH Already
Fastened To Specifications
Inspect FUCA To Steering Knuckle Fasteners; Add Nut To RH Side, LH Already
Fastened To Specifications
Inspect FUCA To Steering Knuckle Fasteners; Add Nuts To LH And RH Sides S072031011 0.15
Inspect FUCA To Steering Knuckle Fasteners; Reseat LH Side And Install New Bolt
And Nut; RH Already Fastened To Specifications
Inspect FUCA To Steering Knuckle Fasteners; Reseat RH Side And Install New Bolt
And Nut; LH Already Fastened To Specifications
Inspect FUCA To Steering Knuckle Fasteners; Reseat LH And RH Sides And Install
New Bolts and Nuts
SB-20-31-012 Page 2 of 3
Part Number Description Quantity
These part numbers were current at the time of publication. Use the revisions listed or later, unless
otherwise specified in the Parts Catalog.
1. Raise and support the vehicle on a 2 post lift (refer to Service Manual procedure 10000205).
NOTE: For Mobile Service, use Service Manual procedure 10000605 to raise the front end of the vehicle.
2. Remove the LH and RH front wheels (refer to Service Manual procedure 34015001).
3. Inspect the LH FUCA to steering knuckle joint:
a. Verify that the nyloc nut and bolt that attach the FUCA to the steering knuckle are present (Figures 1
and 2) and are torqued to 56 Nm.
b. Verify that the FUCA is fully seated and secured to the steering knuckle. Make sure that the FUCA stays
secured to the knuckle by firmly lifting the FUCA up from the steering knuckle (Figures 3 and 4).
Figure 1 Figure 2 – Nyloc nut is missing
Figure 3 Figure 4 – Joint not fully seated
SB-20-31-012 Page 3 of 3
For feedback on the accuracy of this document, email [email protected]tesla.com
4. Determine the following:
• If the FUCA to steering knuckle nyloc nut and bolt are present AND the joint is fully seated (Figure 1), skip
to step 8.
• If the FUCA to steering knuckle nyloc nut is missing AND the joint is fully seated (Figure 2), skip to step 7.
• If the FUCA is NOT fully seated onto the steering knuckle (Figure 4) regardless if the nyloc nut and bolt
are still attached, continue to the next step.
5. If the FUCA to steering knuckle nyloc nut and bolt are present:
a. Remove and discard the nyloc nut.
b. Compress the FUCA to steering knuckle joint (Figure 5).
c. Remove and discard the bolt (Figure 6).
Figure 5 – Nyloc nut already removed Figure 6
6. Compress the FUCA to steering knuckle joint, and then install a new bolt.
7. Install a new nyloc nut to the bolt (Figure 7).
8. Tighten the nyloc nut and bolt (torque 56 Nm) (Figure 7).
9. Repeat steps 3–8 for the RH side.
10. Install the LH and RH wheels (refer to Service Manual procedure 34015001).
11. Lower the vehicle.
1 Affected Product
8 Associated Documents
Recall 573 Report-Amendment 2
Recall 573 Report-Amendment 1
Defect Notice 573 Report
Remedy Instructions and TSB
Recall Quarterly Report #2, 2021-2
Recall Quarterly Report #1, 2021-1
Recall Quarterly Report #3, 2021-3
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Last update on 2022-05-15 / Affiliate links / Images from Amazon Product Advertising API
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