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Motor runs but antenna doesn't go up or down. How do I remove it?

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  • westphals May 29, 2010

    Still no go. Removed unit and starting to disassemble motor/cable assy. B.

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Spray some oil into that hole first and then try. If this doesnt work try this out : You might have to unscrew it and check it, To take apart the motor you have to unscrew the seal from the outside. When the antenna is retracted, unscrew the ring that is around the antenna. The metal ring I'm talking about has about 4 slits in it so you can use some pliers to grab and unscrew it. After you unscrew that ring, you have to get into your trunk and remove the upholstery so you can get to the motor and unscrew that. use a lil wd-40 and some steel wool to clean the antenna after you pull it all the way up, then wipe it off and run it up and down a few time... if that doesnt work try spraying just a lil wd-40 on it anf let it run up and down...

Posted on May 29, 2010

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Automatic antenna on my '97 500sl is not being driven up and down. Antenna motor runs when radio turned on and off. Antenna slides up and down manually very easily.


Mercedes preferred supplier of aerial masts is Hirschmann. There is a connector to the top of the box a coax aerial connection to the mast root, an earth lead strap and a bolted bracket to the base. The aerial mast exits through the car skin in a rubber fitted sleeve. You say that you can hear the motor running but that the mast refuses to emerge. The beauty of Hirschmann is that their motor drive antenna assemblies are readily disassembled (and reassembled). You will need to take the mast assembly out of the vehicle; disconnect the wiring plug socket, remove the bracket bolt, earth strap and unscrew the coax cable connector. Pull the mast firmly down and out of the body work sleeve. The outer aerial mast is driven up by a toothed plastic flexible inner rod normally stored in a coil within the motor assembly. Remove the torx screw in the middle of the rounded end and separate the two halves. At the top is the electric motor set horizontally which drives a rubber belt to a helical drive immediately below it lying parallel. If this belt is broken this would give rise to the motor running but not engaging . The helical drive engages with the edge of the storage drum feeding out and retrieving the coiled rod to raise and lower the antenna. If the helical drive or the drum edge has missing teeth then the aerial cannot function. All these components can be be bought from Hirschmann spares or through your Mercedes dealer.

Jan 14, 2011 | 1999 Mercedes-Benz E-Class

1 Answer

Need to know how to remove a regular antenna from a 1996 Toyota Tacoma. It is not a power antenna.


Toyota Pick-ups/Land Cruiser/4Runner 1989-1996
Antenna - REMOVAL & INSTALLATION

If your antenna mast is the type where you can unscrew the mast from the fender, simply do so with a pair of pliers. Most damaged antennas are simply the result of a truck wash or similar mishap, in which the mast is bent.

Manual Antenna
  1. Disconnect the antenna cable at the radio by pulling it straight out of the set. Depending on access, this may require loosening the radio and pulling it out of the dash.
  2. Working under the instrument panel, disengage the cable from its retainers.
On some models, it may be necessary to remove the instrument panel pad to get at the cable.
  1. Outside, unsnap the cap from the antenna base.
  2. Remove the screw(s) and lift off the antenna, pulling the cable with it, carefully.
To install:
  1. When reinstalling, make certain the antenna mount area is clean and free of rust and dirt. The antenna must make a proper ground contact through its base to work properly.
  2. Install the screws and route the cable into the cab. Make certain the cable is retained in the clips, etc.
  3. Connect the cable to the radio; reinstall the radio if it was removed.

Power Antenna Mast
The power antenna system contains a relay. If the power antenna is inoperative, the relay is the first place to look. The actual motor rarely fails.
The power antenna mast is replaceable on the Pick-Up and 4Runners. If the mast is damaged or broken, proceed as follows:
  1. Perform this repair with the battery cables connected. Turn the ignition switch to the LOCK position.
  2. Remove the antenna nut.
  3. If equipped with a CD player, press the AM and FM buttons on the receiver and simultaneously turn the ignition switch to ACC .
  4. For non-CD player units, press the AM button and simultaneously turn the ignition switch to ACC .
  5. The antenna motor will run, unwinding the mast from the spool. have an assistant guide the mast so it doesn't fall and damage the bodywork. When fully extended, the mast will be released. Remove it, and leave the ignition in the ACC position.
To install:
  1. Insert the new cable so that the teeth face the rear of the vehicle. Feed the cable into the motor until the cable reaches the bottom, about 12 in. (30cm).
  2. Have an assistant ready and prepared to guide the cable. Turn the ignition switch to LOCK . The motor will run, winding the cable onto the spool and drawing the antenna down into the mount.
  3. If the cable does not wind, twist the cable at the top of the housing; the part at the bottom may have turned while being pushed down the hole.
  4. Once wound onto the spool, install the antenna nut even if the antenna is not fully retracted. Test the antenna elevation and retraction; the mast will eventually retract fully.
Hope helped with this (remember rated this post).

Feb 26, 2010 | 1996 Toyota Tacoma

1 Answer

How to replace thunderbird antenna


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Automatic Electric Antenna
Removal
  1. Lower electric antenna (18850) .
  1. Remove rear retaining screws of RH front wheel splash shield for access to antenna lower retaining bolt.
  1. Remove lower retaining bolt.
  1. Remove radio antenna nut (18865) from top of motor tube and remove electric antenna through fender/splash shield access.
  1. Disconnect signal cable and motor wire connector(s).
Installation
  1. To install, reverse Removal procedure.
  1. Tighten top radio antenna nut to 6-8 Nm (54-70 lb-in).
  1. Tighten lower electric antenna retaining bolt to 5.8-7.8 Nm (51-69 lb-in).
  1. Check operation of electric antenna and radio chassis .

    Automatic Electric Antenna


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mast
Mast, Power NOTE: A power antenna mast which is bent or broken can be replaced without replacing the motor and tube assembly.
Removal
  1. Remove radio antenna nut (18865) and radio antenna stanchion (18919) .

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  1. Loosen retaining nut inside tube using 14 mm (9/16 inch) socket, and slide nut part-way up mast.
  1. Raise antenna to run plastic drive wire at bottom of mast out of motor. Note direction of teeth on plastic drive wire.
  1. Saw off damaged portion of antenna mast. Remove burrs from mast and slide nut and contact tube off stationary tube.
Installation
  1. With the teeth on the plastic drive wire facing toward motor on antenna, push end of plastic drive wire of replacement mast assembly down into tube. Push it around curve at bottom of tube until end enters drive mechanism.
  1. Run motor down while pushing on plastic drive wire until about 305 mm (12 inch) of wire has been drawn into the tube. Stop motor and insert bottom of antenna mast into tube. Lower mast.
  1. Slide contact tube and radio antenna nut down antenna mast. Tighten nut to 0.45 Nm (4 lb-in).

  2. Raise and lower antenna several times to ensure proper operation.
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Jul 09, 2009 | 1995 Ford Thunderbird

2 Answers

Power antenna motor will not shut off


I assume that the power antenna unit is an original equipment unit, if so.
1. Does it run for about a minute then stop? If this is the case, your antenna shaft needs to be replaced. This is a very simple procedure that your local radio install shop can do for you in about 20 minutes.
2. If the motor never shuts off as long as the key is on, you probably have a defective relay on the antenna motor. At this point you need to replace the entire unit. A job that can be a bit pricey because of the price of the unit itself. A cheeper fix is to replace the power antenna with a manually telescopic unit, (no motor), or a fixed unit, (doesn't go down). If you opt for the latter, remember to unscrew or lower the antenna in automatic car washes!

Jul 07, 2009 | 1984 Cadillac Eldorado

2 Answers

Antenna doesn't retract when car is off


The antenna is wired to go down when the key is turned off. The motor is probably stripped out. You need to replace the motor at the base of the antenna, or unplug the bad one to make it quit running with the key off

Jun 25, 2009 | 1993 Oldsmobile Cutlass Ciera

2 Answers

Antenna motor runs while the radio is on or off. The antenna is stuck in the extended position. When the car is shut off the antenna motor continues to run to retract the antenna, but it doesn't go


You need to pull the fuse for the antenna or just unplug it. It has a fairly ridgid plastic wire that pushes the antenna up and down. Works fine until the wire breaks then it rolls up (antenna down) but it never increases resistance because the antenna never comes down , it's like a fishing reel when the lure breaks off, so the motor thinks that the antenna is still coming down and it will run and run and run trying to do it's job. Your lucky it stuck up and not down. If you want your antenna to go up and down again you'll have to buy and install a new one.

Jun 02, 2009 | 1992 Jeep Cherokee Limited

1 Answer

'95 Riv - antenna does not retract


Most power antennas have a plastic cable with teeth that feed into the power antenna motor.  I recommend replacing the antenna.  A special tool is required to remove the slotted nut where the antenna comes out of the car.  You could use something else, but be careful not to scratch your paint.  I also recommend taking apart the motor to remove any remaining broken pieces of cable.  Usually only one nut holds the cover of the antenna motor in the center. After removal of the old antenna follow these instructions: 1.  Feed the new antenna cable down into the antenna motor; teeth facing the front of the car. 2.  Have someone turn key enough to operate the radio.  You should feel the teeth raking against the teeth in the motor.  If you do not, face the teeth toward the back of the car. 3.  Have your assistant turn the radio off, and allow the antenna motor to pull in the cable.  The motor will automatically stop when it feels resistance.   4.  Return the slotted nut, so you do not have to repeat steps 2 and 3.

Dec 21, 2008 | 1995 Buick Riviera

4 Answers

Replace antenna on 2003 mr2 spyder


my antenna just stopped working in my MR2 2003 Spider. The motor still runs but the antenna will not go up and down. It made a weird noise and I had to pull the top of the antenna up to stop the motor from sounding loud.

Should I replace this or can you disconnect it and push the antenna up and down?

Thanks

Aug 28, 2008 | 2003 Toyota MR2 Spyder

1 Answer

Power antenna


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.

Jul 04, 2008 | 1996 Chevrolet Corvette

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