How to Install Truxedo Deuce Soft Roll-Up Tonneau Cover (14-17 Sierra 1500) on your GMC Sierra

Step 1: Attach Foam Block Seals. Peel white paper backing off and attach foam corner block seals.

Step 2: Attach Underbody Rail and Clamp Components.

Step 2-A: Attach driver and passenger side underbody rails, see note 1 & 2 for installation hints.

Step 3: Position driver and passenger rails.

Step 3-A: Position and install driver side rail assembly with clamps, see note 1 and 2 for installation hints.

Step 3-B: Repeat step 3-A to position and install passenger side rail assembly with clamps, see notes 1 and 2 in step 3-A for installation hints.

WARNING: Tighten clamps securely on side rails before driving vehicle.

Step 4: Attach cover assembly to the driver and passenger side rails as shown.

Step 4-A: Attach cover assembly to the driver and passenger side rails as shown.

Step 5: Rotate attached cover assembly over to the cab and engage strikers into latch brackets.

Step 6: Rotate release levers to the left before connecting outside tie-bars.

Step 7: Connect driver and passenger short tie-bars as shown below.

Step 8: How to close the cover.

Step 9: After cover is closed secure the hook and loop fastener strips on both sides of truck.

Step 10: Set cover tension during the warmest part of the day.

Step 11: To stow cover, open tailgate, pull rear release toggle and roll cover toward cab making sure both sides roll evenly.

Step 12: How to open the cover front.

Step 13: Closing Cover

Step 14: How to lock cover closed for security.

• To prevent accidental release of tailgate header, ensure rear header is securely latched to the side rails before driving vehicle.

• To prevent wind lift, secure VELCRO® brand fasteners along entire length of both side rails before driving vehicle.