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K2 rear passenger door lock/latch not opening from inside, do I just need a new latch assembly?

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My 2015 1500 LT Crew cab won't open the rear passenger door from inside. The outside handle still works. The child safety lock is not on because the other side door can still open from inside.


I tore the door apart to see if the cable came off or broke, but I can't see any issues with the cable. I can hear it moving in the latch assembly when I pull on it.

Is there any chance the latch mechanism can be repaired, or do I just need a new one?


From a quick online search for parts, I think a new latch assembly is about $110 from GM, or I can get a knock off for about half of that. I'm not excited about ripping the rest of the window track apart to get the latch out of there, so I want to have a plan (get new parts) before I'm left with a door that won't even stay closed.

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On 6/24/2022 at 8:19 AM, aseibel said:

I called the dealer in town, he quoted me $170 for just the part. I'm ordering one off Amazon for $53.

I looked at RockAuto, Amazon, and the local dealership, for a left rear window regulator, last Monday.  RockAuto was cheapest and the part wouldn’t be here until Friday. Amazon was $20 more and would have been here on Wednesday.  Dealership had one on hand and was fairly decent in price. Good thing I got it from the dealership, thunderstorms rolled in at 1:30am on Wednesday.  

Don’t be afraid to shop around before buying.  

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