Well, since you weren’t more specific, I’m going to assume you mean the entire antenna assembly that comes with the base and cable attached. This is a bit involved, and requires quite a bit of the upper dash, panels, and trim to be removed.
You need to start by removing the mast if it is still attached, then unbolting the antenna base at the top of the fender/underhood area. The Silverado trucks have a small area that the antenna cable goes through on the side of and behind the firewall. You will need to fit your hand up in this area to feed the cable through.
The dash pad needs to be removed, which requires the instrument panel trim, side trim, vents, and the passenger grip above the airbag. Then you will see the routing of the cable and can pull it through. Feeding the new antenna cable back through the same small spots is very tedious, but it can be done.
After it is routed properly, plugged in, and the base mounted back in the fender, you can reinstall all the trim pieces you took off.
I’m going to have to assume you have a truck since you only stated the year and engine size. The code B0091 is for the center front discriminating sensor. If you’ve got a 2500 or larger size truck, there is only one sensor in the front. Looking for sensor 3 is irrelevant. The sensor you need to replace is located on the lower radiator core support, right in the middle. You can access it from underneath the front of the truck. You may have to remove a skid plate or splash shield if so equipped. Once the sensor is replaced, the code will automatically pass if the problem is fixed and the airbag light will go out. If you still have the airbag light on after replacement, then you have another problem. Be sure to check the wiring and connector condition while you are under there as well for any damage/corrosion.
2000 Chevy Tahoe Driver Seat Air Bag
Question: I was told by a reputable shop today that the cause of my air bag light is the driver seat air bag module is bad (causing the low resistance error code). The shop also quoted me $600 to replace it. I can buy the air bag myself used or even new and at least save labor IF I can find out how to remove the old one.
Anybody have any experience taking the air bag out of the side of the seat (without destroying the seat of course)?
Answer: Getting to this aibag is very tricky. You need to move the headrest assembly, unhook the seatback and seat cushion where they attach to each other under the seat at the rear. Then you can work the cover up over the frame. Sort of like taking off a shirt inside-out. Pull it up and over the top. Now you can unbolt the airbag from the seat.
Good info. Any tips on removing the headrest?
You really don’t need to remove the headrest to replace the seat side airbag. Just get the cover up far enough to replace the module. May want to let a mechanic do the repair so you don’t damage the seat cover- especially if it is leather.
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