Toyota 84306-07040
Clockspring

An essential first step for Clock Spring Assembly / Clock Spring replacement involves reading all precautionary procedures. Before proceeding disconnect the negative terminal cable of the car battery while allowing 90 seconds for an Air Bag deployment prevention period. Once finished position the steering wheel so that it faces frontward. The technician must start by removing steering wheel cover lower No. 3 and then continue with lower No. 2 before removing the steering pad. The steering wheel assembly requires removal as the next step. The next step requires three screw removal to extract the steering column cover lower before taking off the steering column cover upper. Disconnect the clock spring connectors after ensuring no harm to either the Air Bag wire harness or Air Bag connector while performing the removing process of its 4 claws.

The procedure for servicing the Clock Spring Assembly / Clock Spring starts by following all instructions from the Restraint Systems Service Precautions. The negative battery terminal cable needs to be disconnected before waiting 90 seconds to avoid Air Bag deployment. Undock the steering wheel assembly while you take away steering pad and steering wheel cover lower No.2 and No.3. Proceed to remove the steering column cover lower by unscrewing the 3 attachment points before moving onto the upper steering column cover. Disconnect the clock spring connectors while protecting the Air Bag wire harness before removing the cable through disengaging its 4 claws. Install the components when front wheels point straight ahead while maintaining the turn signal switch in neutral position to protect the pin from damage. The installation of the clock spring requires four screws while you need to remove the lock pin if doing a replacement alongside connecting new connectors. The upper and lower steering column covers should be installed after adjusting the clock spring according to instructions that require a switched-off ignition and negative battery terminal disconnection for at least 90 seconds. Tighten the clock spring by rotating it counterclockwise before rotating it clockwise twice to place the marks in proper alignment while keeping away from the Air Bag wire harness. The procedure ends with assembly of the steering wheel and check on the steering wheel center point followed by reinstallation of the steering pad and both steering wheel covers before reattaching the negative battery terminal while checking the SRS warning light.

Installation of the clock spring should start with both front wheels oriented directly ahead while the turn signal switch stands at neutral to stop pin damage. The installation of 4 screws will secure the clock spring while you should remove the lock pin before mounting a new steering wheel assembly. Attachment of connectors to the clock spring must be done with caution because Air Bag wire harness damage can occur when handling the Air Bag connector. Proceed to add both steering column upper and lower cover parts to their respective locations. Limitations of the clock spring need to be done when the ignition switch is OFF while disconnecting the negative battery terminal for a minimum of 90 seconds. The clock spring must be turned counterclockwise by hand until firm before performing a clockwise rotation of 2.5 turns for mark alignment while maintaining the Air Bag wire harness and connectors separate from the rotation. The installation of steering wheel assembly requires a steering wheel center point check. Afterwards you can install and attach the steering pad while adding steering wheel covers to positions No.2 and No.3. Reinstall the cable onto the negative battery terminal while using 3.9 Nm (40 kgf-cm, 35 in-lbf) torque and examine the steering pad. Initialization tests may be required by certain systems after removing the cable from the negative battery terminal while the inspection of the SRS warning light completes the procedure.

A safe procedure for servicing the Clock Spring Assembly / Clock Spring requires a negative cable battery disconnect followed by a 90-second wait period to avoid Air Bag and seat belt pretensioner activation. Service the Clock Spring Assembly / Clock Spring by first removing steering pad assembly, steering wheel assembly, front door scuff plate LH, cowl side trim board LH, front door opening trim Weather Strip LH, and instrument cluster finish panel sub-assembly, No.1 lower panel and steering column cover. Then separate the clock spring sub-assembly by detaching its connectors and removing the 4 screws. The front wheels must be positioned forward as you install the clock spring sub-assembly while securing it with four screws. Breaking the lock pin only occurs when you need to replace it with a new one before attaching the connectors. The sequence for installation involves first adding the steering column cover as well as the No. 1 lower panel and instrument cluster finish panel sub-assembly and front door opening trim Weather Strip LH and cowl side trim board LH and front door scuff plate LH. To properly install the clock spring workers should rotate it counterclockwise until it reaches a firm position and then rotate it clockwise for approximately 2.5 turns to achieve marking alignment while avoiding the Air Bag wire harness for any turning operation. The final steps include steering wheel and steering pad assembly installation while you reconnect the cable to the negative terminal before initializing relevant systems and checking the SRS warning light and steering wheel placement.

The first step for Clock Spring Assembly / Clock Spring replacement involves positioning the front wheels directly ahead and disconnecting the battery terminal with the negative cable. Begin the steering wheel replacement by removing steering wheel cover lower No.2 and No.3. Proceed to take out the horn button assembly followed by the steering wheel assembly using Special Service Tool set 09950-50013 (09951-05010, 09952-05010, 09953-05020, 09954-05021). Remove the steering column cover lower through two screw removal followed by cutting its connectors from a clock spring sub-assembly while avoiding any damage to the Air Bag wire harness. Attention must be given to the clock spring sub-assembly for any damage indications including scratches, cracks and dents or chips before deciding on replacement. Install the clock spring sub-assembly through these steps: turn the turn signal switch to neutral and fasten it with 4 screws then match connectors. Secure the steering column cover along with the lower steering column cover through two bolts. A proper adjustment of the clock spring sub-assembly requires a procedure which begins by turning off the ignition switch and disconnecting the negative battery terminal for a minimum of 90 seconds followed by turning the clock spring counterclockwise until it feels secure and then clocking it up 2.5 times to bring the marks into alignment. The last requirement includes steering wheel assembly installation after inspecting the center point and horn button assembly reinstall followed by battery negative terminal reconnection for horn button and SRS warning light inspection before system initialization after battery reconnection.

Begin by removing the steering wheel pad, steering wheel, upper and lower column covers, and the spiral cable.

Install the upper steering column cover, followed by the lower steering column cover using 3 screws.

Ensure the ignition switch is off and the battery negative (-) terminal is disconnected, waiting at least 90 seconds after removal.

Install it with the 4 screws, making sure to remove the lock pin if applicable.

Begin by disconnecting the battery negative terminal and ensuring the front wheels are facing straight ahead.

Begin by thoroughly reading the precautions related to Restraint Systems.

Ensure the front wheels are facing straight ahead and the turn signal switch is in the neutral position to prevent the pin from snapping.

Disengage the 4 screws to remove the spiral cable.

Slowly rotate it counterclockwise by hand until it feels firm, then rotate it clockwise approximately 2.5 turns to align the marks, avoiding the use of the airbag wire harness for turning.

Perform initialization, as some systems require this after disconnection.

Inspect the spiral cable sub-assembly for any scratches, cracks, dents, or chips, and replace it if any of these conditions are present.

Install the front door opening trim LH, cowl side trim LH, and front door scuff plate LH.

Disconnect the cable from the negative battery terminal and wait for 90 seconds to prevent airbag activation.

Ensure the front wheels are still straight, set the turn signal switch to the neutral position to avoid snapping the pin, and install the spiral cable sub-assembly with the 4 screws, connecting the connectors afterward while being cautious with the airbag connector.

It must be replaced with a new one.

It is essential to avoid any issues.