01/11/2023 14:31:45

DCDC Terminal Stud - Fuse Box - Underhood (Rework)

Correction code 17012408 NOTE: Unless otherwise explicitly stated in the procedure, the above correction code and FRT reflect all of the work required to perform this procedure, including the linked procedures. Do not stack correction codes unless explicitly told to do so. NOTE: See to learn more about FRTs and how they are created. To provide feedback on FRT values, email LaborTimeFeedback@tesla.com. NOTE: See to make sure wearing proper PPE when performing the below procedure.

Warning

This procedure is a DRAFT, although it has been validated. Warnings and Cautions might be missing. Follow safety requirements and use extreme caution when working on or near high voltage systems and components. Provide corrections and feedback to ServiceDevelopment@teslamotors.com.

Open LH front door
Open hood

Note
Via Controls > Front Trunk
Remove RH underhood apron

Note
9x clips
Remove rear underhood apron

Note
8x clips
Release cabin filter cover and RH side of cowl screen panel

Note
2x tabs, 2x push clips, Secure cowl onto strut
Remove bolts securing front HVAC filter housing

Note
2x bolts, 10mm, 1.5 Nm
Remove front HVAC filter housing

Note
2x tabs
Remove rear HVAC filter housing and rubber HVAC intake drain diverter

Note
4x nuts, 10mm, 6 Nm
Power off vehicle via UI

Note
Via Controls > Safety > Power Off
Disconnect 12V battery negative terminal

Note
1x nut, 10mm, 5 Nm
Disconnect first responder loop

Note
1x connector, Release red locking tab
Remove battery fuse box cover

Note
4x tabs
Disconnect 12V positive battery terminal from battery fuse box

Note
1x nut, 13mm, 10 Nm, Do not mix up nut
Cut off nut securing DCDC positive terminal to battery fuse box

Note
If nut is not cross-threaded then skip this step, Cover fuse box with shop towel to protect from debris, Vacuum debris as needed, Make sure to wear proper PPE for cutting, Do not breathe in fumes
Disconnect DCDC positive terminal from 12V battery fuse box

Note
1x nut, 13mm,12 Nm
Release battery fuse box from the 12V battery strap

Note
1x nut, 8mm, 5 Nm, discard nyloc nut
Disconnect SRS pyrotechnic connector

Note
1x connector, Press 2x lock tabs then gently remove connector
Remove front harness upper wire terminals from 12V battery fuse box

Note
7x nuts, 8mm, 5 Nm, Note orientation of terminals, Nuts can be threaded back on to prevent studs from falling out
Remove 12V battery fuse box wire separator cover

Note
2x tabs
Remove front harness lower wire terminals from 12V battery fuse box

Note
5x nuts, 8mm, 5 Nm, Note orientation of terminals, Nuts can be threaded back on to prevent studs from falling out
Remove 12V battery fuse box
Remove vendor label from 12V battery fuse box
Remove original nut and bolt
Position aluminum insert onto 12V battery fuse box

Note
Insert is substituting previously removed nut and stud
Adhere vendor label onto 12V battery fuse box

Note
Allow 1 minute dry time, Clean area around insert then apply double sided tape. Another alternative can be couple layers of insulation tape (vinyl tape)
Secure 12V battery fuse box studs

Note
12x studs, Apply masking tape
Position 12V battery fuse box
Torque nuts securing front harness lower wire terminals to 12V battery fuse box

Note
5x nuts, 8mm, 5 Nm, Use new nyloc nuts if available
Torque nuts securing front harness lower wire terminals to 12V battery fuse box

Note
5x nuts, 8mm, 5 Nm, Use new nyloc nuts if available
Install 12V battery fuse box wire separator cover

Note
2x tabs
Position front harness upper wire terminals onto 12V battery fuse box

Note
7x nuts, 8mm, 5 Nm, Note orientation of terminals, Nuts can be threaded back on to prevent studs from falling out
Torque nuts securing front harness upper wire terminals to 12V battery fuse box

Note
7x nuts, 8mm, 5 Nm, Use new nyloc nuts if available
Connect SRS pyrotechnic connector

Note
1x connector, Secure harness onto wire separator cover
Install nut securing 12V battery fuse box to strap

Note
1x nut, 8mm, 5 Nm, Use new nyloc nut if available, Adjust fuse box as needed
Remove masking tape from 12V battery fuse box studs

Note
12x studs
Connect DCDC positive terminal onto 12V battery fuse box

Note
1x bolt, 13mm, 12 Nm, Apply med-strength thread locker to bolt
Connect 12V positive battery terminal to battery fuse box

Note
1x nut, 13mm, 10 Nm, Do not mix up nut
Install battery fuse box cover

Note
4x tabs
Install rear HVAC filter housing and rubber HVAC intake drain diverter

Note
4x nuts, 10mm, 6 Nm
Connect first responder loop

Note
1x connector, Engage red locking tab
Connect 12V battery negative terminal

Note
1x nut, 10mm, 5 Nm
Install front HVAC filter housing

Note
2x tabs
Install bolts securing front HVAC filter housing

Note
2x bolts, 10mm, 1.5 Nm
Secure RH side of cowl screen panel and cabin filter cover

Note
2x tabs, 2x push clips, Release cowl from strut
Install rear underhood apron

Note
8x clips
Install RH underhood apron

Note
9x clips
Close hood

Note
Press firmly in green highlighted areas (see image), Damage may result from pressure elsewhere on hood
Close LH front door