Question about 2004 Pontiac Bonneville

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Trying to replace the front turn signal bulb in a 2004 Pontiac Bonneville. The Owner's Manual is absolutely no help. I can easily find the two bolts that they identify in a photo, but have no clue as to how to interpret their "Use a flat tool by the outside mount to separate the lamp assembly from the outboard snap mounting pin". WTF?? Of course, there's no picture of this "outside mount" or "outboard snap mounting pin". The entire lens assembly is still retained somehow by a hidden fastener that I don't want to break. Any advice?

Posted by Kevin Gahagan on


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Denis Houle

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SOURCE: Left front turn signal bulb for 2001 Pontiac Montana

There is only one screw to remove that releases the mounting tab at the upper inner corner of the assembly. That screw has a plastic wingnut molded onto it so you can turn by hand. Once that is removed, the assembly can be pulled straight forward. At the inner bottom corner, a spring clip faces straight rearward. Pull with enough force to to release the clip from its slot. Only two "Fingers" hold the rear of the assembly in the sheet metal holes.

Posted on Nov 15, 2008



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SOURCE: 1999 Pontiac Bonneville serpentine belt installation.

if you look by the crankshaft pulley to the right you will see a tubular looking shaft about 1" diameter , you will notice you can't get the belt out from under this piece , it has a nut on it , once you take the nut off , you will notice it has a star shaped point on the tip of the stud , it requires a reverse torx socket or wrench to remove the stud , when you get the stud out the tube piece it can be removed , then the belt comes off , replace the belt , now comes the tricky part , fitting that tube spacer back into its spot , it can be difficult , once its in place put the stud back in , and put the nut on and tighten it , your pretty much a pro now . thanks.

Posted on Dec 30, 2008


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SOURCE: Headlamp assembly on Pontiac G6

well there isn't much on gripping the retainers, what they are, are plastic ball and socket clips. I would lay some tape down underneth the lamp onto the bumper to protect the bumper and then the hard part...while making sure the headlamp is above the bumper, pull with some force on the back half of the light to where it meets with the fender, after a little pulling it should (no promises) should come out, it will seem like it will break but it shouldn't. (I use to work at a body shop and did many of those headlights including my own '06 G6.) Hope that helps.

Posted on Dec 31, 2008


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SOURCE: Right turn signal flashes fast. Front bulb appears to be burned

There are 2 bolts on the top corners of the bulb lens that needs to be removed then the lens pops right out and you can change the bulb.

Posted on Apr 06, 2009


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SOURCE: 2004 Pontiac Grand Am GT Headlight Bulb Changing

you have to remove the marker/signal light assemblies by prying them forward, careful of the paint, they are held on by clips

Posted on May 11, 2010

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If you do not have an Owner's Manual, you can download a PDF version at the link below (direct link)
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I replaced the front right turn signal on my 2005 Pontiac Montana by reaching up from underneath. I tried removing the battery but the opening from above was too small. I was able to pull the ground effects open enough to get my arm in. When you reach the bulb holder feel for two wings on the bulb socket and give the whole socket a quarter turn to and it will release. The wires are long enough so the entire bulb holder will drop down below the vehicle so you can easily replace the bulb.
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