Question about 1993 Chevrolet G20

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Need a schematic for the drivers door lock mechanism for a 93 chevy g-20

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: i need a exploded diagram for the lock mechanism 93 chevy s-10

http://www.autozone.com/shopping/repairGuide.htm?pageId=0900c152801c9948

Posted on Dec 19, 2008

ZJLimited
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SOURCE: 93 silverado 2500need free online mechanical diagram of doors

GM Full-Size Trucks 1988-1998 Repair Information Doors - REMOVAL & INSTALLATION

R/V Series
See Figures 1, 2 and 3
If the door being removed is to be reinstalled, matchmark the hinge position.

  1. If the door is to be replaced with a new one, remove the trim panels weathersheets and all molding.
efc6815.jpg

Fig. 1: Door hinge-R/V Series
  1. If the door is to be replaced with a new one, remove the glass, locks and latches.
  2. If equipped with a wiring harness, remove the trim panel and disconnect the harness. Guide the wiring out of the door.
  3. Support the door and remove the hinge-to-body attaching bolts. Lift the door from the truck.
  4. Install the door.
  5. Perform the alignment procedures indicated below.

3a1bddd.jpg

Fig. 2: Door hinge components-C/K Series

4ab81ea.jpg

Fig. 3: Removing the hinge spring


C/K Series
  1. On trucks with power components in the door, disconnect the battery ground cable.
  2. On trucks with power components in the door, remove the cowl side vent cover.
  3. On trucks with power components in the door, disconnect the wiring going to the door, under the dash panel. Feed the wiring through the door pillar.
  4. Cover the door hinge spring with a heavy towel. Using tool J-36604 or its equivalent, insert the blades of the tool between the spring coils and turn the barrel nut to compress and hold the spring. Remove the spring using the tool.
  5. Remove the lower hinge pin retainer.
  6. Using a plastic or rubber mallet and locking pliers, remove the lower hinge pin.
  7. Install a bolt through the lower hinges to hold the door while removing the upper hinge pin.
  8. Remove the upper hinge pin retainer.
  9. Remove the upper hinge pin.
  10. Support the door and remove the bolt from the lower hinge.

To install:
  1. Position the door and install the bolt in the lower hinge.
  2. Install the upper hinge pin. with the pointed end up.
  3. Install a new upper hinge pin retainer.
  4. Remove the bolt from the lower hinges.
  5. Install the lower hinge pin with the pointed end down.
  6. Install a new lower hinge pin retainer.
  7. Using tool J-36604, install the hinge spring.
  8. On trucks with power components in the door, connect the wiring going to the door, under the dash panel. Feed the wiring through the door pillar.
  9. On trucks with power components in the door, install the cowl side vent cover.
  10. On trucks with power components in the door, connect the battery ground cable.
ADJUSTMENTSee Figure 4 The holes for the hinges are oversized to provide for latitude in alignment. Align the door hinges first, then the striker.
C/K series utilize hinges that are welded to the door and frame. No adjustment is possible except when replacement hinges have been installed.

66b8749.jpg

Fig. 4: Door adjustment check points
  1. If a door is being installed, first mount the door and tighten the hinge bolts lightly.
If the door has not been removed, determine which hinge bolts must be loosed to effect alignment.
  1. Loosen the necessary bolts just enough to allow the door to be moved with a padded prybar.
  2. Move the door in small movements and check the fit after each movement.
Be sure that there is no binding or interference with adjacent panels.
  1. Repeat this procedure until the door is properly aligned.

R/V Series:
Door edge-to-rocker panel: 6mm Door edge-to-roof panel: 5mm Door edge-to-rear pillar: 5mm Door edge-to-front pillar: 2mm
C/K Series:
Door edge-to-rocker panel: 6mm Door edge-to-roof panel: 6mm Door edge-to-rear pillar: 4mm Door edge-to-front pillar: 7mm Door front edge-to-fender: 5mm
  1. Tighten all the bolts to 26 ft. lbs. (35 Nm).

Shims may be either fabricated or purchased to install behind the hinges as an aid in alignment.

Hope this help, TY for using Fixya (remember comment and rated this). Good luck.

Posted on Apr 01, 2010

Testimonial: "very helpful just needed abit more info. thx "

  • 1 Answer

SOURCE: Have a 2004 Chevy Venture van with faulty power

I don't have a solution, but a related problem. Our 2004 Chevy Venture power door locks are cycling (locking/unlocking) on their own while we are driving. This coincides with our remote keyless entry losing its effectiveness. I tried replacing the battery on the remote, but to no avail.

Posted on Apr 03, 2010

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I have a 93 grand cherokee limited that the power door locks will unlock all doors with the driver and passenger door switches but won't lock any of the doors any ideas what the problem could be?


the first good GC... 93, and a good start. but is old
i read that 3 times, and draw a blank, try to tell what works an dont, tottally like what your mechanics sees, he sees all.
all things good, bad and ugly, all at once.
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2005 Chevy Impala. The door locks keep locking during drive.


It's probably a bad input to the BCM - body control module ! Have it checked for DTC'S - diagnostic trouble codes .
The automatic door lock function can only be enabled by the body control module (BCM) if the driver door open switch and door ajar switches are in the Closed state. For information on programming the automatic door locks, refer to Vehicle Personalization in Personalization.
DTC B3064 or B3069
DTC B3127
DTC B3128, B3133, or B3138
DTC B3132
DTC B3137
DTC B3272
Your best bet , take it to the chevy dealer . Unless you own a GM factory Tech 2 scan tool an have access to factory sevice repair info.
.
The outputs to the door lock actuators are controlled by the body control module (BCM). When the BCM receives a lock input from a door lock switch, or a keyless entry transmitter, it applies battery positive voltage to the door lock actuator lock control circuit, a ground to the door lock actuator unlock control, and the driver door lock actuator unlock control circuits. When the BCM receives an unlock input from a door lock switch, it applies battery positive voltage to the door lock actuator unlock control, the driver door lock actuator unlock control circuits, and a ground to the door lock actuator lock control circuit . When the BCM receives an single Unlock input from a keyless entry transmitter, it applies battery positive voltage to the driver door lock actuator unlock control circuit and a ground to the door lock actuator lock control circuit to unlock the driver door. A second Unlock input from the transmitter applies battery positive voltage to the door lock actuator unlock control circuit, and a ground to the door lock actuator lock control circuit to unlock the passenger doors.

This diagnostic procedure supports the following DTCs:
• DTC B3128 Left Front/Driver Door Unlock Circuit High
• DTC B3133 All Door Unlock Circuit High
• DTC B3138 All Door Lock Circuit High

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1 Answer

Lexus door lock


I can help you with the drivers door. Simply put a screwdriver in the hole between outer door edge and lock mechanism. Push mechanism towards inside of door. The reverse of what happened when you accidentally locked the mechanism. I have done the same thing

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Driver's side window buttons work on my 2004 chevy impala but none of the others do?


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1 Answer

The driver's side door lock won't unlock!!! Chevy '95 G20


It's a very common problem. A greasy and temp fix is to press the thumb button on the handle, then take your finger and lift the top locking lever in the door mechanism that has fallen down to prevent the striker from closing both levers. This will not fix the problem. Most likely the striker (the bolt that the lock affixes to) has lost the vinyl sleeve and has damaged the lock from repeated use. You may have to replace the mechanism which isn't to hard to do if you can swing a wrench.

Jun 24, 2010 | 1995 Chevrolet G20

1 Answer

Have a 2004 Chevy Venture van with faulty power door locks. They will lock with the switch but will not unlock with the switch. Need schematics of the power door lock system. Thanks.


I don't have a solution, but a related problem. Our 2004 Chevy Venture power door locks are cycling (locking/unlocking) on their own while we are driving. This coincides with our remote keyless entry losing its effectiveness. I tried replacing the battery on the remote, but to no avail.

Mar 28, 2010 | 2004 Chevrolet Venture Passanger

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I had same problem. it was not broken into. the screw that holds lock cylinder in fell out. to get inside door is easy. remove screws around border all sides of door and one in middle near speaker. the gentley snap door away from the two clips on inside and lift up off window opening . peel back plastic and you will see the lock mechanism. if need be ( i had to) you can unplug the automatic locks, window and other electric harnesses attached to door inside cover. the lock cylinder will be in bottom of door w/ a brass hex screw. there is a white piece of plastic insert in the hole of lock mechanism and reattach (snap onto bar). its all easy no schematic needed if you have a lil mechanic ability. good luck.

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1 Answer

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Nov 11, 2008 | 1995 Chevrolet G20

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