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No locks on 1977 chevy g30 rear door? #736041
May 06th 2018 9:45 pm
May 06th 2018 9:45 pm
Joined: Nov 2017
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Farley Offline OP
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Farley  Offline OP
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I wasn't given door keys for my van so I'm swapping cylinders. I already did the front doors, Problem is, on the back door there's nothing that the cylinder would tie into. There's nothing on the inside of the door that would allow you to lock or unlock the door, so I'm at a loss as to how the cylinder would function.

Re: No locks on 1977 chevy g30 rear door? [Re: Farley] #736052
May 07th 2018 8:29 am
May 07th 2018 8:29 am
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Farley Offline OP
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Here's a video of the cylinder and handle operation for reference

https://www.dropbox.com/s/bre4e88jc6vwkhw/20180506_185025.mp4?dl=0

Re: No locks on 1977 chevy g30 rear door? [Re: Farley] #736064
May 07th 2018 11:00 am
May 07th 2018 11:00 am
Joined: Jun 2010
Posts: 13,299
Van Diego California
frscke1 Offline
frscke1  Offline

Joined: Jun 2010
Posts: 13,299
Van Diego California
You are missing the upper & lower actuator rods that are connected to that . When you push in the thumb part of the door handle it turns just like yours but the rods that actuate the upper & lower locking mech are gone.


SUNSHINE VANS-VAN DIEGO
ADRENALIN BY THE GALLON & CHASIN RACIN
ONE FOR THE DIRT & ONE FOR THE STREETS
'93 CHEVY G30 454 4X4 SPORTVAN EXT 146" WB
'92 CHEVY G30 454 BEAUVILLE EXT 146" WB
Re: No locks on 1977 chevy g30 rear door? [Re: Farley] #736066
May 07th 2018 11:28 am
May 07th 2018 11:28 am
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Farley Offline OP
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Thanks. I knew it had to be missing something since there was no physical lock on the inside of the door. I'll have to make something work.

Thanks again

Re: No locks on 1977 chevy g30 rear door? [Re: Farley] #736068
May 07th 2018 11:46 am
May 07th 2018 11:46 am
Joined: Jun 2010
Posts: 13,299
Van Diego California
frscke1 Offline
frscke1  Offline

Joined: Jun 2010
Posts: 13,299
Van Diego California
Go to a junk yard n pull those rods out of a door.

You will see how to take out & know how to reinstall...

Practice on there vans not yours !

Remove the whole assy, 4 screws on the bottom of the door & 2 bolts on the top of the door, 3 bolts to remove that lock assy you have & the whole assy comes out.

[Linked Image]


SUNSHINE VANS-VAN DIEGO
ADRENALIN BY THE GALLON & CHASIN RACIN
ONE FOR THE DIRT & ONE FOR THE STREETS
'93 CHEVY G30 454 4X4 SPORTVAN EXT 146" WB
'92 CHEVY G30 454 BEAUVILLE EXT 146" WB
Re: No locks on 1977 chevy g30 rear door? [Re: frscke1] #736070
May 07th 2018 12:15 pm
May 07th 2018 12:15 pm
Joined: Nov 2017
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Farley Offline OP
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Farley  Offline OP
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Thanks! I'll check around to find one at a junkyard by me

Re: No locks on 1977 chevy g30 rear door? [Re: Farley] #736074
May 07th 2018 7:21 pm
May 07th 2018 7:21 pm
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Farley Offline OP
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Farley  Offline OP
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Here's the work around I rigged up in the meantime.

https://www.dropbox.com/s/6su43u3lifimepz/20180507_180936.mp4?dl=0

Re: No locks on 1977 chevy g30 rear door? [Re: Farley] #736084
May 07th 2018 9:12 pm
May 07th 2018 9:12 pm
Joined: Jun 2010
Posts: 13,299
Van Diego California
frscke1 Offline
frscke1  Offline

Joined: Jun 2010
Posts: 13,299
Van Diego California
How does that unlock the locking clips at the top & bottom of the door ?


OOOOOhhhhh I just realized you have a 77 .... all I saw was G30 .... so your driver rear door clips to the van & the pass rear door locks onto the driver rear door ? You may not have the upper & lower locking clips on the pass rear door as mine does.

Things changed in '88, SRY for the mis info.

That pic was from a '93 factory service manual.

Last edited by frscke1; May 07th 2018 9:20 pm.

SUNSHINE VANS-VAN DIEGO
ADRENALIN BY THE GALLON & CHASIN RACIN
ONE FOR THE DIRT & ONE FOR THE STREETS
'93 CHEVY G30 454 4X4 SPORTVAN EXT 146" WB
'92 CHEVY G30 454 BEAUVILLE EXT 146" WB
Re: No locks on 1977 chevy g30 rear door? [Re: frscke1] #736101
May 08th 2018 6:45 am
May 08th 2018 6:45 am
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Farley Offline OP
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Farley  Offline OP
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The passenger door locks into the top and bottom, not into the driver side door. Pushing the button on the handle opens the latch and allows the door to open, so my work around was to stop the action that allows the latch to open.


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