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Chevrolet Silverado: Why Won't My Tailgate Open/Close?

Repair a faulty tailgate using these simple DIY tips.

By Charlie Gaston - June 2, 2015

This article applies to the Chevrolet Silverado 1500 (1999-present).

If the handle on your Silverado 1500's tailgate is starting to fail, don't panic. We've got the information you'll need to repair this common problem. Walk through the possible culprits that could be causing your tailgate to fail and gain some advice on when it is best to forego any DIY repairs and see a professional mechanic at your local garage. Say goodbye to pushing, shoving and banging against your tailgate to get it to close. Using the following DIY tips, you will be able to close your tailgate using only the normal amount of force and pressure. Let's get started!

Materials Needed

  • Bristled cleaning brush
  • Cleanser
  • Lubricant
  • New assembly
  • Replacement clips

Step 1 – Lubricate the latches

They might be corroding.

Pry off the tailgate cover and check the entire area for corrosion, dirt and other debris.

  • Check all clips, rods and latches for signs of corrosion and other wear.
  • Lubricate all of the parts that do not appear to need a new replacement.
  • Tighten any loose screws.
  • If you notice extreme discoloration or deeply embedded dirt, apply a cleaner using a bristled brush.
  • Allow the cleaner to sit for several minutes before you start to scrub away the stubborn deposits.
  • Check to see that you are now able to open and close your tailgate without exerting extra force.

Pro Tip

Cleansers and lubricants are available online for around $7-10 per unit. Using WD-40 for sticking and build-up is recommended.

Step 2 – Pry off the door trim

You might need to repair the latch to your tailgate.

Once the door trim is off, check that the bar that actuates the latch on the passenger side of the truck is attached and working properly. Do the same for the second bar, which, of course, actuates the latch on the driver side of the truck. It is common for one of the bars to disconnect, causing your tailgate to fail.

  • Replace the damaged clip, which connects the latch to the bar.
  • Latch "keepers" or "grabbers" are available online for as little as $2 per unit.
  • Using your hands, snap the new clip into place; no tools are necessary.
  • Ease the bar into the clip, which you just fastened to the latch.
  • Pry the tab open using a flat head screwdriver, and then flip the clip upward and lock it in place for a secure hold.
Figure 1. This is the clip before the latch has been re-attached.

Pro Tip

This repair is very cheap. However, you may want to purchase more than one clip to maximize your shipping costs. Clips are also sold in auto parts stores for a similar price point.

Featured Video: Chevy Silverado Tailgate Latch Repair

Step 3 – Install a brand new handle

The one you have might be too defective to repair.

You can replace the entire assembly, including the handle and trim, for around $50.

  • We've heard different opinions on the ease of this repair, so unless you're comfortable lifting out the old components and installing a new handle and rods, it's recommended to save this repair for the professionals.
  • The necessary tools include a screwdriver, socket and a range of sockets.
  • To cut costs, purchase your replacement online and then have a mechanic complete the actual installation.
  • You cannot properly unlock your tailgate unless you make this repair. We advise making the repair immediately.
  • Custom paint the new assembly once it is installed.

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