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Old 02-19-2015, 07:46 PM
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15 cent Rear Hatch Solenoid Repair...

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Old 12-19-2010, 03:23 PM   #1
vetterobert
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Default 15 cent Rear Hatch Solenoid Repair...

Hi,

Time to repay a bit for all the help I have received from the forums about my 1987 Corvette!!

My electric rear hatch would not open, and I priced a new solenoid at over 140 bucks. Ridiculous. So I decided to take it apart and see if I could fix it. This post assumes that you have good 12v power to the solenoid when you hit one of the hatch release switches, and a good ground.

Take the two nuts off and remove the hatch latching assembly. Then remove the one bolt holding the solenoid itself to the latch. Then with either a hacksaw, or a Dremel tool with a cutoff wheel, carefully cut off the crimped portion of the solenoid. Be very careful not to go too deep; try to cut just the metal itself. It's ok if you get into the plastic right below a bit, but go any deeper than that and you will do damage.

Once the cut is complete you can remove the plastic plug where the connector goes. Then you can disengage the linkage at the other end, and slide the solenoid coil out. You will see that the ground for the solenoid is nothing more than a wrap of the solenoid coil wire that touches the outer housing when the coil is in place. Do a continuity check from this ground point to the spade connector. If your solenoid coil checks good, (and it most likely will), then it probably wasn't working due to this ground not making good contact with the housing shell anymore. That was the case with mine. (It's a really poor setup for that ground.)

I drilled two holes in my housing outer shell right where that ground wire would touch, and used a small round file to create a slot out of the holes. I then soldered a wire to the solenoid coil at the exposed ground connection. I then put the solenoid coil back into the housing, leading the new wire through the slot I had created in the housing. I then soldered the wire to the housing at a convenient point. (This will take a really good hot soldering iron to do. If in doubt, just put a crimp connector on the wire and run it to the solenoid to latch mounting bolt.) Glue the plastic cap end of the housing back in place with epoxy, and maybe wrap the end with tape for good measure. Test the solenoid with a good 12 volt source and connection, and then re-assemble everything with some lube at strategic points. Done deal, and 140 bucks saved.

I have some nice pics of the procedure to post, but for some reason my posting rules say that I cannot post attachments and I have no idea why. If someone knows, please tell me... Mean while, I uploaded the pictures to an album for you.

Thanks,
vetterobert
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Old 12-19-2010, 04:14 PM   #2
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not bad for a nOOb.

good post and pictures in your profile.

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Time to repay a bit for all the help I have received from the forums about my 1987 Corvette!!
Which forums are you talking about?
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Old 12-19-2010, 04:24 PM   #3
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Here ya go













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Old 12-19-2010, 06:08 PM   #4
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I use "corvettemechanic", "smokinvette", "covetteforum", and "corvetteactioncenter" forums. Lots of good info!!

Thanks for the compliment; just thought the post might help some people, and maybe save them some money.

Anyone know why I can't post attachments/pictures normally? In the "posting rules" in the box on the left hand side below the posts, it says "you may not post attachments." I tried checking my "options", settings, etc. to no avail....

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Old 12-19-2010, 07:07 PM   #5
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You are trying to post the wrong way..upload straight to your post. Only supporting members can do that.. First you must upload the pictures to your account of hosting site. When you are ready to post the picture click on the picture of a mountain on the tool bar then paste the url of the picture.

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Old 11-09-2012, 08:17 PM   #6
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I was all set to go spend the money and was doing a search on forum and found this, I will try it and hopefully fix it thanks you!
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