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Toyota Sienna Tail Light Bulbs Replacement Guide
How to change a rear turn signal, reverse or parking light bulb in the tail lights of a 2011 to 2016 Toyota Sienna.

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2012 Sienna Tail Light
Open Cargo Tail Gate
Loosen Upper 10mm Bolt
This automotive maintenance tutorial was specifically written to assist owners of the third generation (2011, 2012, 2013, 2014 and also the revised 2015 & 2016 model years) Toyota Sienna minivan in changing a burnt out rear turn signal, reverse or parking light bulb in the tail light assemblies.

Owners of other Toyota vehicles with similar tail light bulb housings such as the FJ Cruiser, Venza, Highlander, 4Runner, Sequoia, RAV4 and Land Cruiser, may also find these DIY instructions to be helpful.

Replacement bulbs with their part numbers are as follows: Rear Turn Signal # 7440A, Reverse # 921 and Parking Light # 168.

(The brake lights are LED bulbs that should last the life time of the vehicle.)

The tools required to change the rear turn signal bulb include a 10mm socket and a 1/4" drive ratchet.

To change the reverse or parking light bulbs, you'll need a flathead screwdriver or a plastic automotive panel removal tool.

Remove 2nd 10mm Bolt
Two 10mm Bolts
Pull Off Tail Light Housing
The first two steps are to open the tail gate at the rear of the minivan and then move to the side with the burnt out tail light bulb.

Locate the two bolts at the inner edge of the tail light housing that were covered by the tail gate.

Remove the two bolts by turning them counter clockwise with the 10mm socket and ratcheting wrench.

Set the two screws aside in a safe place.

Gently pull the tail light assembly straight off the rear of the vehicle.

If you have trouble removing the tail light, try wiggling the housing while continuing to pull to release the two friction fasteners at the outer edge.

You might also need to gently pry off the housing using a flathead screwdriver.

Rest Tail Light On Bumper
Press Tab - Release Plug
1/4 Turn Counter Clockwise
To protect the plastic tail light lens and the painted bumper, place a towel in between them.

Gently rest the housing on the bumper and locate the light grey turn signal bulb socket at the middle of the assembly.

Press the release button on the black plastic electrical connector and slide it straight off the socket.

Rotate the socket 1/4 turn counter clockwise and pull it straight out of the housing.

Remove Turn Signal Socket
Pull Out Old Turn Signal Bulb
1/4 Turn Clockwise - Lock
Pull the old bulb straight out of the socket and push in a new amber colored # 7440A bulb.

Re-insert the socket in to the housing and rotate it 1/4 turn clockwise to secure it in place.

Push On Electrical Connector
Line Up Slot & Fastener
Line Up Peg & Socket
Push the power plug straight on to the base of the turn signal bulb socket.

Line up the slot at the top of the tail light housing with the white plastic fastener on the metal body panel.

Line up the metal peg or "spike" near the bottom of the housing with the plastic grommet in the metal body panel.


Push On Tail Light Housing
Tighten Lower 10mm Bolt
Turn Upper Bolt Clockwise
Push the tail light straight on to the rear of the minivan.

Tighten the two screws by turning them clockwise with the 10mm socket and ratcheting wrench until they are snug.

Do not over tighten the bolts to avoid cracking the plastic tail light housing.

Press Unlock - Test Bulb
Reverse Bulb In Tail Gate
Pry Off Plastic Panel
Test the new rear turn signal bulb by either pressing the "Unlock" button on the key fob or activating the hazard signals.

The reverse light bulb and rear parking light bulb are both located in a separate housing on the cargo tail gate.

Gently insert a flathead screwdriver in between the plastic panel on the underside of the tail gate and the metal body panel.

Pull Out Plastic Hooks
Reverse & Parking Light
1/4 Turn Counter Clockwise
Carefully pry off the plastic panel to release the white plastic pop rivet friction fasteners.

Pull the two plastic hooks out of their slots.

Locate the two light grey light bulb sockets. The slightly larger socket near the bottom of the housing (when the tail gate is closed) contains the reverse bulb.

The smaller socket near the top of the housing contains the parking light bulb.

Rotate the socket 1/4 turn counter clockwise and pull it straight out of the housing.

Reverse Bulb Socket
Pull Out Old # 921 Bulb
Push In New # 921 Bulb
Pull the old reverse bulb straight out of the socket and push in a new number 921 bulb.
1/4 Turn Clockwise - Lock
Parking Light Socket
Old # 168 Bulb
To replace the parking light bulb, rotate the smaller light grey socket 1/4 turn counter clockwise and pull it straight out of the housing.

Pull the old bulb straight out of the socket and push in a new number 168 bulb.

You may also use any other miniature wedge base bulb such as the # W5W, 2825, 194 or a compatible LED unit.

1/4 Turn Clockwise
Re-Insert Plastic Hook
Push In 2nd Plastic Hook
Re-insert the parking light bulb socket in to the housing and rotate it 1/4 turn clockwise to secure it in place.

Replace the plastic panel on the underside of the tail gate by first inserting the two plastic hooks in to their corresponding slots.

Push In White Plastic Pop Rivets
Tail Gate Panel Replaced
Test New Reverse Light Bulb
Line up the white plastic pop rivet friction fasteners with their corresponding holes and firmly push them in to place.

Make sure that the plastic panel is securely attached and flush against the metal tail gate at every edge.

Test the new tail light bulbs by having someone step on the brake pedal, activate the hazard signals and place the transmission in reverse.

For more, please check out my other Toyota Sienna Repair & Maintenance Guides.

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