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Thread: Power antenna

  1. #1
    azblonde
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    Default Power antenna

    I have a question i have a 90 corvette and my power antenna is broke,, the motor part still works but my antenna got busted off, now i checked my local chevy dealer and they said that i have to get the whole unit including the motor for 365.00. Is that true do i have buy the whole assembly unit or can i just get the antenna if so any where besides the chevy dealer i think 365.00 is just a joke thanks

  2. #2
    Robertwav1's Avatar
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    Jan 2003
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    Corvette(s)
    1993 Blue

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    Quote Originally Posted by azblonde View Post
    I have a question i have a 90 corvette and my power antenna is broke,, the motor part still works but my antenna got busted off, now i checked my local chevy dealer and they said that i have to get the whole unit including the motor for 365.00. Is that true do i have buy the whole assembly unit or can i just get the antenna if so any where besides the chevy dealer i think 365.00 is just a joke thanks
    Mamotorworks.com some antenna articles there also. You can just replace the mast if the motor is good. I had to replace the complete assembly on mine. Around 70 to 80$ if you do some web searches on this part and you do the labor. Also an article on how to do the complete install is available, do a search on this website.

  3. #3
    Registered User
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    Corvette(s)
    1996 LT1 Z51 Torch Red Coupe

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    Try a junk yard... I had a 92 Caddy with a power antenna, and I will guess that they are intercangable parts? There are probably a lot of GM cars with power antenna so pick one. Not sure, but you can check and maybe save big...

  4. #4
    Member Curious George's Avatar
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    Corvette(s)
    '92 Red Convertible / '99 Red Convertible

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    Quote Originally Posted by azblonde View Post
    I have a question i have a 90 corvette and my power antenna is broke,, the motor part still works but my antenna got busted off, now i checked my local chevy dealer and they said that i have to get the whole unit including the motor for 365.00. Is that true do i have buy the whole assembly unit or can i just get the antenna if so any where besides the chevy dealer i think 365.00 is just a joke thanks
    You can replace the mast only if the motor is still working. There is a small nut on the top of the antenna assembly that holds the mast in place. If you remove this nut and turn on the radio, most times you can pull out the antenna mast assembly. In some cases, you may have to spray PB 'Laster (penetrant / WD-40, etc) into the mast assembly because there is a long sheath that gets stuck sometimes under the nut.

    In extreme cases, the plastic "tractor feed" breaks off inside the motor assembly and you have to take out the antenna assembly and take it apart to remove the plastic piece(s) in order to feed in the new antenna mast.

    CG

  5. #5
    Member onedef92's Avatar
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    Jun 2004
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    Corvette(s)
    1992 Dark Red Coupe

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    How to remove the power antenna motor from 1992-96 Corvettes

    Due to several e-mail inquiries, here are the instructions for removing the power antenna motor for service BEFORE installing a new antenna mast on 1992-1996 Corvettes.

    Many owners (myself included) have tried in vain to simply install a new antenna ribbon without inspecting the motor first for broken sections of the old one.

    The usual result is an antenna that won't fully raise or retract, even though the motor works fine. Hopefully, this tech tip will save you from this aggravation.

    I'm not familiar with the design for 1984 - 1991 models, but the process should be similar. I also understand from other Forum members that the antenna motor design apparently changed in 1995 from housings that are screwed together to housings that are glued together.

    If this is the case, it may be possible to pry the assembly apart for inspection. Anyway, here goes:

    The power antenna motor is visible from underneath the vehicle if you lie on your back and look at it from the driver's side of your car.

    Please protect your eyes from dirt and other particles that may fall from your fender well while you are working! Some Forum members opted to place their vehicles on jack stands and remove the driver's side rear wheel first, but I have long arms and did not have to do so.

    1. Disconnect the negative battery terminal. Note the way the motor is oriented as installation is the exact order of removal. The motor is held in place on its mounting bracket by two screws. Use either a socket wrench with an extension or a screwdriver with a ratchet to remove the bolts. Note that one of the bolts has a ground/power wire for the antenna.

    2. With these two bolts loosened, you will be able to pull the antenna down toward you enough to loosen the antenna gain and positive power wires located at the top of the unit. With all these wires removed, the entire assembly can be pulled down for access while leaving the wire that lead inside the motor housing intact.

    3. With the unit now in your hand, roll up the black rubber sleeve that protects the unit from moisture, dirt, etc. There are approximately four Phillips head screws that hold the cover on the motor housing. Remove these screws. Also, remove the center nut that holds the antenna flywheel in place. With the cover off, you will see the flywheel and the main gear that raises and lowers the nylon antenna ribbon. You will also more than likely find bits or long sections of your OLD ribbon. Remove them.

    4. Now is the time to lubricate the main gear and flywheel with either Vaseline or white lithium grease to ensure years of trouble-free operation with your new ribbon.

    5. Replace the flywheel (noting its direction) and screw the cover back into place. Re-install the antenna, connect all the wiring and hook your battery back up. Turn on the ignition and radio and listen to see if the motor runs. If it does, you are ready to install your new mast. Just follow the directions that came with it and you should be in great shape.

    6. Above all, be patient. It took me about four hours the first time I did this because I thought you had to remove the license plate, tail lamps and back up lamps to get to the motor. You don't! I could now do the whole thing again in 30 to 40 minutes (but hopefully not on MY LT-1 any time soon!) Good luck and keep on waving!

  6. #6
    Member 9340Ruby's Avatar
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    Corvette(s)
    1993 Ruby Red Convertible

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    I have replaced mine ('93) and it really isn't that bad of a job....just a lot of patience.

  7. #7
    New Member
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    Corvette(s)
    1994 Coupe Torch Red

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    I replaced mine on my '94. I took off the wheel and the fender liner. It isn't that hard of a job.......just remember to be patient!!!!!!

  8. #8
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    Member Schrade's Avatar
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    Corvette(s)
    '90 LT 5

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    Advance / Zone has a drop-in replacement; $66. Harness connector has to be spliced.

  9. #9
    Member Curious George's Avatar
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    Corvette(s)
    '92 Red Convertible / '99 Red Convertible

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    Quote Originally Posted by Schrade View Post
    Advance / Zone has a drop-in replacement; $66. Harness connector has to be spliced.
    I'd be cautious about those antenna's (Metra). I've installed many back in the day and sometimes they do not last that long. The OE one is about double, but may be worth the extra money... for me it would be.

  10. #10
    ras
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    Corvette(s)
    1995 torch red coupe

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    Quote Originally Posted by onedef92 View Post
    How to remove the power antenna motor from 1992-96 Corvettes

    Due to several e-mail inquiries, here are the instructions for removing the power antenna motor for service BEFORE installing a new antenna mast on 1992-1996 Corvettes.

    Many owners (myself included) have tried in vain to simply install a new antenna ribbon without inspecting the motor first for broken sections of the old one.

    The usual result is an antenna that won't fully raise or retract, even though the motor works fine. Hopefully, this tech tip will save you from this aggravation.

    I'm not familiar with the design for 1984 - 1991 models, but the process should be similar. I also understand from other Forum members that the antenna motor design apparently changed in 1995 from housings that are screwed together to housings that are glued together.

    If this is the case, it may be possible to pry the assembly apart for inspection. Anyway, here goes:

    The power antenna motor is visible from underneath the vehicle if you lie on your back and look at it from the driver's side of your car.

    Please protect your eyes from dirt and other particles that may fall from your fender well while you are working! Some Forum members opted to place their vehicles on jack stands and remove the driver's side rear wheel first, but I have long arms and did not have to do so.

    1. Disconnect the negative battery terminal. Note the way the motor is oriented as installation is the exact order of removal. The motor is held in place on its mounting bracket by two screws. Use either a socket wrench with an extension or a screwdriver with a ratchet to remove the bolts. Note that one of the bolts has a ground/power wire for the antenna.

    2. With these two bolts loosened, you will be able to pull the antenna down toward you enough to loosen the antenna gain and positive power wires located at the top of the unit. With all these wires removed, the entire assembly can be pulled down for access while leaving the wire that lead inside the motor housing intact.

    3. With the unit now in your hand, roll up the black rubber sleeve that protects the unit from moisture, dirt, etc. There are approximately four Phillips head screws that hold the cover on the motor housing. Remove these screws. Also, remove the center nut that holds the antenna flywheel in place. With the cover off, you will see the flywheel and the main gear that raises and lowers the nylon antenna ribbon. You will also more than likely find bits or long sections of your OLD ribbon. Remove them.

    4. Now is the time to lubricate the main gear and flywheel with either Vaseline or white lithium grease to ensure years of trouble-free operation with your new ribbon.

    5. Replace the flywheel (noting its direction) and screw the cover back into place. Re-install the antenna, connect all the wiring and hook your battery back up. Turn on the ignition and radio and listen to see if the motor runs. If it does, you are ready to install your new mast. Just follow the directions that came with it and you should be in great shape.

    6. Above all, be patient. It took me about four hours the first time I did this because I thought you had to remove the license plate, tail lamps and back up lamps to get to the motor. You don't! I could now do the whole thing again in 30 to 40 minutes (but hopefully not on MY LT-1 any time soon!) Good luck and keep on waving!
    Just replaced my mast on my 1995 coupe and found this very helpful. The only thing that was not correct for my vet was that mine did not have screws or bolts holding the cover on over the flywheel. It had what looked like plastic rivets. I figured if i couldnt get it apart i would need a new one anyhow so i drilled them out and the cover came off. Then when i put it together i just drilled some pilot holes and used some small screws to hold it on. All is good now. Got my mast from vet pros for $25 with free shipping and it took me about 2 hours to install. Now i get to do my buddies and i figure under an hour now that i have done one. THANKS FOR THE HELPFUL POST.

  11. #11
    Member
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    Dallas
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    Corvette(s)
    1984 Gunmetal Met

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    I agree with the fellow posters.

    However, I have a 1984, 35K miles on it, and the antenna mast broke 5 years ago, since the antenna motor was good, I simply installed a new mast, and kept the old motor / assembly. Now the antenna mast broke again, and the antenna motor is still good. The problem with the power antenna on my 1984, is that the mast has a "RIBBON" cable, and that is the *#*#**#* problem. It's not the time it takes to replace the antenna mast, it's the time it takes to remove the old antenna and install a new one.

    So, I am trying to find a power antenna that has the round plastic cable that attaches the mast to the motor, instead of the (*#*#*#* ribbon cable - any suggestions?
    DUKE

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