Tesla Model S: Subframe Assembly - Front (Remove and Install)
Special tools required for this procedure:
Supplier
|
Part Number
|
Description
|
Tesla |
1021241-00-B |
Subframe
Fixture, Rear, MDLS |
Tesla |
1021242-00-C |
Subframe
Fixture, Front Jig - MDLS |
Warning: If the vehicle
has air suspension, activate "Jack" mode on the touchscreen before
raising and supporting the vehicle.
Removal
-
Vehicles with Air
Suspension: Depressurize the air suspension
(refer to procedure).
-
Loosen the lug nuts for the front wheels.
-
Remove the HV battery
(refer to procedure).
-
Remove the front skid plate
(refer to procedure).
-
Release the bolt that secures the air
compressor bracket to the front carrier (torque 5.5 Nm).
Note: The remaining
2 bolts that secure the bracket are removed in a later step.
-
If equipped: On
each side of the vehicle, release the bolts (x2) that secure the
staybar (torque 11 Nm).
-
Rear wheel drive vehicles
only: Remove the nuts (x4) that secure the A/C compressor
bracket to the subframe (torque 8 Nm).
-
Remove the bolts (x2) that secure the chiller
to the subframe (torque 12 Nm).
-
Remove the nuts (x2), washers (x2), and rubber
grommet that secure the ABS pump (torque 9 Nm).
-
Release the front bolt that secures the
radiator bypass 3-way coolant valve to the subframe (torque 5 Nm).
Note: The remaining
bolt that secures the 3-way valve is removed in a later
step.
-
Disconnect the harness connector from each
3-way valve.
-
Dual motor vehicles only:
Release the clips (x2) that secure the coolant hose to the
subframe.
-
Release the A/C drain hose from the subframe.
-
Remove the front wheels
(refer to procedure).
-
Fully lower the vehicle.
-
Slide coolant pumps 1 and 2 off of the subframe
brackets.
-
Release the remaining bolts (x2) that secure
the chiller bypass 3-way valve to the subframe (torque 5 Nm).
-
Disconnect the 2 harnesses from the steering
rack.
-
Release the bolts (x2) that secure the air
compressor bracket to the subframe (torque 6 Nm).
-
Release the remaining bolt that secures the
radiator bypass 3-way valve (torque 5 Nm).
-
On each side of the vehicle, release the bolt
that secures the steering brace to the subframe (torque 26 Nm):
-
RWD vehicles:
-
Dual motor vehicles:
Place a metal rod or similar across the top
of the front frame rails.
-
Use tie-down cords to support the following
components:
-
Air compressor, if equipped
-
ABS pump
-
Coolant pump 1
-
Coolant pump 2
-
Radiator bypass 3-way valve
-
Chiller bypass 3-way valve
-
Raise the vehicle to access the wheelwells.
-
On both sides of the vehicle, pull the rear
arch liners forward.
-
On both sides of the vehicle, restrain the tie
rod ball joint pin, then remove the nut that secures the tie rod end
to the knuckle (torque 103 Nm).
Caution: To prevent
ball joint damage, always hold the ball joint pin with a
wrench while loosening or tightening the lock nut.
-
Fully raise the vehicle.
-
Remove the bolt and nut that secure the front
shock absorber to the rear lower control arm (torque 140 Nm).
-
Release the shock absorber from the lower arm.
-
On each side of the vehicle, remove and discard
the nut that secures the sway bar to the sway bar end links (torque
70 Nm).
Caution: Replace
all nylon-insert locknuts.
-
On each side of the vehicle, mark a witness
line on the subframe cam to aid installation, then remove the bolts
that secure the front and rear lower control arms to the subframe
(torque 130 Nm).
-
Remove the bolt that secures the lower
intermediate shaft to the steering rack (torque 49 Nm).
-
Remove the bolts (x4) that secure the front
subframe to the bumper carrier:
-
Composite carrier: 7.5 Nm
-
Magnesium carrier: 11 Nm
-
On each side of the vehicle, release the bolt
that secures the steering brace to the subframe (torque 26 Nm):
-
RWD vehicles:
-
Dual motor vehicles:
-
Raise the vehicle.
-
Install the front subframe jig onto the
subframe fixture.
-
Install the locating pins in the appropriate
location.
1 |
Rear
wheel drive |
2 |
Dual
motor |
-
Have an assistant lower the vehicle. Guide the
front subframe onto the fixture.
-
On each side of the vehicle, remove the 2 bolts
that secure the subframe to the chassis:
-
RWD:
-
Forward bolt (torque 140 Nm)
-
Rear bolt (Torque 76 Nm)
-
Dual Motor:
-
Forward bolt (torque 115 Nm)
-
Rear bolt (Torque 115 Nm)
-
Raise the vehicle.
Installation
Installation procedure is the reverse of
removal, except for the following:
Warning: Only use cleaning
agents and solvents in a well-ventilated area.
Caution: Replace all
nylon-insert locknuts.
Note: Clean the affected areas
before installation.
-
Ensure that all subframe fixing bolts are started before
attempting to tighten.
-
Align the witness marks on the chassis and subframe.
-
Align the suspension components to the subframe and set the cams
to the previously marked positions. Do not fully tighten at this
time.
-
Remove the suspension from "Jack" mode and set to "Standard" and
allow the suspension to settle.
-
Transfer the vehicle to a 4 post lift
(refer to procedure).
-
Perform a 4-wheel alignment
(refer to procedure) and fully torque all suspension
components at ride height.
READ NEXT:
Removal
Remove front subframe assembly for access
(refer to procedure)
Remove and discard the bolts (x2) securing
steering rack assembly to subframe (torque 175 Nm).
Warning: If the vehicle
has air suspension, activate "Jack" mode on the touchscreen before
raising and supporting the vehicle.
Removal
Remove front aero shield
(refer
Removal
Remove rear diffuser tray
(refer to procedure)
Remove screws (x2) securing rear skid plate to
subframe (torque 10 Nm).
In
SEE MORE:
Removal
Using a suitable tool carefully release fixing lugs (x2)
securing side repeater to front fender. NOTE: Wheel arch liner
removed for clarity.
Caution: Care must be taken to avoid damage to
paintwork and exterior trim.
Release side re
Download the latest version of the Tesla mobile app
to your phone, and ensure your phone has cellular
service and GPS enabled.
Your phone must be connected to Model S and
located within approximately 213 feet (65 meters).
The vehicle's cameras must be fully calibrated (see
Drive to Calib