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Your vehicle has what we call a trunk pull down motor. The silver bar on the body of the car is attached to this. When you close your trunk, it latches and then this motor is supposed to pull the trunk closed the rest of the way. You will need to replace this motor assembly. When purchasing the replacemeny motor, make sure it comes with the black switch with the little flapper on it, as this is the part of the assembly that fails.
Please make sure your keys are not in the trunk because there is a safety mechanism that will not allow the trunk to stay closed if the keys are detected in the trunk. The other issue will be if the hold down mechanism is not pulling the trunk completely closed once the trunk engages the lock. You will then have to have it serviced to make sure the pull down motor is operating.
Once the lid is latched there is a motor that pulls the latch assembly down to finish closing the lid.
I would check the latch mechinism make sure it's not moving around on you like the bolts have loosened or that anything is bent. Also there is a switch in the mechanism that activates it to finish closing as well, open the trunk and close the jaw on the lock with a screwdriver or something similar, and see if you can hear the motor run, if not I would place blame on the switch or the motor itself. And as always I would check for loose / broke wires or a bad ground in the immeidate vicinity of the mechanism.
There is a switch that lets the motor know that the trunk is closed all the way. This switch may be faulty or not adjusted correctly. Find the wire that feeds the switch and check it with an ohm meter to see if it is working.
my caddy had same problem, but instead of fixing it i just bypassed the pull motor all together. its a realy easy fix just detach the anchor hook in the trunk and move it up one position now the trunk works like any other cars trunk with out electronic assistance motors
attach to the motor pulldown unit there is a electrical plug. check to see if this is plggged in and the the pull down motor assembly is making a good gound connection. also the problem could be the switch on the pull down unit which is a replacement item. if trunk was slam closed , it damages this switch.
The trunk latch contains a switch which closes when the trunk lid is pushed closed by hand, then this switch sends power to the trunk lid pull down motor which then finishes closing the trunk lid. Often the switch or motor will go bad and the whole thing will stop working. It takes a little testing to figure out which part is at fault but they are usually quite easy to fix.
Hi, Is the lock grabbing the sticker? You may have a stuck actuator holding the lock plate open or closed. Check operation. If it does lock and will not pull down to close completely you need to replace the pull down switch.
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There is a black flat switch handle immediately to the right side of the latch. Press that switch handle and the latch will make a noise and rise slightly. Then when you shut the deck, the switch activates and recesses, pulling the deck lid down to the fully closed position.