GMC Terrain
Headlight Bulbs Replacement Guide
How to change a burnt out low beam, high
beam, turn signal or side marker light bulb in a 2010-2016 GMC Terrain.
2016 Terrain Headlight |
Turn Front Wheels |
Plastic Wheel Well Liner |
This
automotive maintenance tutorial was specifically written to assist
owners of the first generation (2010, 2011, 2012, 2013, 2014, 2015 &
2016) GMC Terrain in changing a burnt out low beam, high beam, front
turn signal or front side marker light bulb in the headlight
assemblies. Owners of other General Motors vehicles such as the Buick Verano, Regal, LaCrosse, Cascada, Encore, Enclave, Envision, GMC Canyon, Sierra 1500, Acadia, Yukon, Denali, Savana, Spark, Sonic, Cruze, Malibu, Impala, Volt, Camaro, Corvette, SS, Trax, Equinox, Traverse, Tahoe, Suburban, Colorado, Silverado and Express may also find these DIY instructions to be helpful. The replacement light bulb part numbers are as follows: Low Beam # H11, High Beam # 9005, Front Turn Signal # 7444NA and Side Marker # 194. The tools needed to access and replace the bulbs include a Torx T20 screwdriver, a flathead screwdriver, a 7mm socket and a 1/4" drive ratchet. |
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If you have an early model year GMC Terrain, there should be a round easy access cover held in place by a single Torx T20 screw. Just remove the single screw and rotate the wheel well cover 1/4 turn counterclockwise before pulling it straight out. |
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Pry Up Top of Fastener |
Pry Out Base of Pop Rivet |
Loosen Torx T20 Screw |
Use a flathead
screwdriver to pry up the center part of the two black plastic pop rivet
fasteners along the outer edge of the wheel well liner. Then pry out the base of each fastener. Set the two pop rivet fasteners aside in a safe place. Remove the bottom screw by turning it counterclockwise with the Torx T-20 star bit screwdriver. |
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Pry Up Middle of 2nd Rivet |
Pry Out 2nd Pop Rivet |
Remove 2nd Torx T20 |
Loosen the top Torx
T20 screw by turning it counterclockwise. Set the two Torx screws aside with the two pop rivet fasteners. |
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2 Pop Rivets & 2 Screws |
Screw Under Bumper |
Remove 7mm Screw |
Look under the
front bumper cover and locate the single screw. Remove the screw by turning it counterclockwise with a 7mm socket and a 1/4" drive ratcheting wrench. |
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7mm Screw Removed |
Pull Back Wheel Well Liner |
Low Beam Bulb Housing |
Set the 7mm screw
aside in a safe place. Gently pull back the black plastic wheel well liner or "splash guard" to access the rear of the headlight housing. The Low Beam headlight housing is located near the outer edge of the assembly. |
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1/4 Turn Counterclockwise |
Dust Cap Removed |
Base of Old Low Beam |
Rotate the round
black plastic dust cover 1/4 turn counterclockwise before pulling it
straight off. Set the dust cap aside in a safe place. |
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Pull Back Retaining Clip |
Power Plug Disconnected |
1/4 Turn Counterclockwise |
Gently pull back
the retaining clip on the electrical connector before sliding the power plug
straight off the base of the old low beam bulb. Rotate the base of the old low beam bulb 1/4 turn counterclockwise and pull it straight out of the housing. |
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Remove Old Low Beam |
Old Osram H11 Bulb |
Empty Bulb Socket |
The OEM low beam is an Osram H11 12V 55W halogen bulb. | ||
Insert New H11 Bulb |
1/4 Turn Clockwise - Lock |
Push On Power Plug |
Try to avoid
touching the glass part of the new halogen bulb with your fingers or
anything greasy in the engine bay. If you do get the new bulb dirty, wipe it clean with a paper towel moistened with rubbing alcohol. Insert the new H11 bulb in to the socket and rotate it 1/4 turn clockwise to secure it in place. Push the power plug straight on to the base of the new bulb until it clicks securely in to place. |
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Replace Dust Cover |
High Beam Dust Cover |
1/4 Turn Counterclockwise |
Line up the round
black plastic dust cap and rotate it 1/4 clockwise to secure it in place. The High Beam housing is located closer to the inner edge of the headlight assembly. Rotate the round black plastic dust cover 1/4 turn counterclockwise before removing it. |
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Base of Old High Beam |
Pull Off Electrical Connector |
1/4 Turn Counterclockwise |
Gently pry back the
black plastic retaining tab on the power plug before sliding it straight off
the base of the old high beam bulb. Rotate the base of the old bulb 1/4 turn counterclockwise before pulling it straight out of the housing. |
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Sylvania # 9005 Bulb |
Empty Bulb Housing |
Install New 9005 Bulb |
The OEM high beam
light is a Sylvania 9005 halogen
bulb.
Avoid touching the glass part of the new halogen bulb. Grease or dirt on the new bulb will cause a hot spot and shorten its useful life. If it does get dirty, wipe it clean with a rubbing alcohol moistened paper towel. Insert the new 9005 bulb in to the socket and rotate it 1/4 turn clockwise to secure it in place. Push the electrical connector straight on to the base of the new bulb until it clicks securely in to place. |
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Line Up Plastic Cover |
1/4 Turn Clockwise - Lock |
Turn Signal Bulb Socket |
Replace the round
dust cap by turning it 1/4 turn clockwise to secure it in place. The Front Turn Signal light bulb is located near the top of the headlight assembly. (You can also access the front turn signal bulb socket from the top of the engine bay by removing the three plastic pop rivets on the cover above the headlight housing and fold it up. You will see the turn signal socket just below the cover.) Rotate the black and grey plastic bulb socket 1/4 turn counterclockwise before pulling it straight out of the housing. |
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1/4 Turn Counterclockwise |
Pull Out Old 7444NA Bulb |
Push In New 7444NA Bulb |
Pull the old bulb
straight out of the socket. Push a new amber colored number 7444NA bulb in to the socket. |
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1/4 Turn Clockwise - Lock |
Front Side Marker Socket |
1/4 Turn - Remove |
Re-insert the turn
signal bulb socket in to the housing and rotate it 1/4 turn clockwise to
secure it in place. The Front Side Marker bulb socket is located near the top outer edge of the headlight assembly. For some reason, the side marker bulb socket on this 2016 Terrain required a 1/4 turn clockwise to remove it from the housing. In my experience, almost every other vehicle has bulb sockets that require a 1/4 turn counterclockwise to remove the bulb sockets. So if you can't remove the side marker bulb socket by rotating it in the normal counterclockwise direction, try turning it the opposite direction, which is 1/4 turn clockwise. |
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Bulb Socket Removed |
Pull Out Old # 194 Bulb |
Empty Bulb Housing |
Pull the old bulb
straight out of the socket and push in a new number
194 bulb. If necessary, you can also use any other miniature wedge base bulbs such as the 168, 158, 2825, W5W or a compatible LED bulb. |
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1/4 Turn - Lock |
Replace Wheel Well Liner |
Re-Insert Pop Rivet |
Re-insert the
socket in to the housing and turn it 1/4 turn counterclockwise to
secure it in place. If your side marker bulb housing is "normal", you would rotate the socket 1/4 turn clockwise to lock it in place. Push the wheel wheel liner back in to place. Make sure that the center pieces of the two plastic fasteners are raised up. |
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Push In Center To Lock |
Replace Torx T20 Screw |
Replace 2nd Torx T20 |
Re-insert the two
black plastic fasteners and then push in the center parts to secure them in
place. Replace the two screws and tighten them in the clockwise direction with a Torx T20 screwdriver. |
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Replace Bottom 7mm Screw |
Test New Headlight Bulbs |
Testing High Beam Bulb |
Replace the screw
under the bumper cover by turning it clockwise with a 7mm socket and a 1/4"
drive ratcheting wrench. Test the new light bulbs by turning on the headlights, activating the hazard signals and flashing the high beams. For more,
check out my other
2010-2016 GMC Terrain DIY Repair & Maintenance Guides. |
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