Soft Roll-Up Tonneau Cover Care for Older GMC Sierra 1500s
By Armordillo® | Premium Truck & SUV Accessories – Armordillo4x4 | Published: 2026-11-01
Category: Tips & Care
Keep a soft roll-up tonneau cover on a 2007–2013 GMC Sierra 1500 working well with a simple cleaning, tension, and winter routine.
Quick answer
Clean the vinyl with mild soap and water, check the tension and frame at every oil change, and clear snow and ice promptly in winter. That routine keeps a soft roll-up cover sealing and rolling smoothly on an older GMC Sierra 1500.
Why older Sierra 1500 beds need a closer look
On 2007–2013 GMC Sierra 1500 trucks, bed rails and seals have had years to collect grit, and a soft roll-up cover sits directly on that surface. Small abrasion points and trapped debris cause more wear than sun exposure alone, so care should start at the rails rather than the vinyl.
Older trucks also commonly have aftermarket or replacement bed rails, so confirm the cover's side rails are still seated evenly before adjusting anything. If a rail is loose or bent, tension changes will not fix a poor seal.
What to avoid when cleaning and adjusting
Avoid abrasive pads, harsh degreasers, and high-pressure sprays aimed at the seams. They can dull the vinyl and force water past the seals. Tension adjustments should be small and made with the cover unlatched, because over-tightening stresses the frame and makes rolling harder.
If the cover uses hook-and-loop side attachments, clean the mating strips before tightening anything; debris there mimics a tension problem.
Step-by-step care routine
- Rinse and wash the vinyl: Rinse loose dirt from the cover, then wash with a mild car soap and a soft mitt or sponge. Work front to back and rinse before the soap dries. Never scrub a dry cover; grit dragged across vinyl leaves fine scratches.
- Clean the side rails and seals: Wipe the bed rails and the cover's side seals with a damp cloth, removing leaves, sand, and old wax. Check that the seals sit flat along the full length. Debris under the seal is a common cause of leaks that look like tension problems.
- Check tension with the cover unlatched: Unlatch the rear bar and inspect whether the vinyl lies flat without sagging or over-stretching. Adjust the tension hardware in small, even increments on both sides. If one side needs much more adjustment than the other, stop and check for a bent frame or misaligned rail.
- Test the roll-up action: Roll the cover fully open and closed a few times. It should move without catching or requiring excessive force. A cover that suddenly rolls hard usually has a misaligned rail or debris in the track, not a vinyl problem.
- Prepare for winter: Before the first freeze, clean and dry the vinyl, then apply a vinyl-safe protectant if the manufacturer allows it. Keep a soft brush or broom in the truck for snow removal. Do not chip ice off with a metal scraper or pour hot water on the cover.
- Clear snow and ice promptly: Brush snow off before it refreezes, and avoid letting ice build up along the rails. If the cover is frozen shut, let the truck warm up rather than forcing the latch. Forcing a frozen latch can tear the vinyl or bend the rear bar.
- Do a monthly fastener and frame check: Look over the frame, clamps, and any visible fasteners for looseness or rust. Tighten only to the point that parts feel snug. Catching a loose clamp early prevents the cover from shifting and wearing the seals unevenly.
Product facts
- ARMORDILLO® CoveRex SR Series 2007-2013 GMC Sierra 1500 5'8" Bed Low Profile Soft Roll-up Tonneau Cover: The ARMORDILLO® CoveRex SR Series for the 2007–2013 GMC Sierra 1500 5'8" bed uses heavy-duty black vinyl and a reinforced support frame with no-drill installation. Because it mounts without drilling, care can focus on the vinyl and frame rather than checking drilled holes for rust.
ARMORDILLO® CoveRex SR Series 2007-2013 GMC Sierra 1500 5'8" Bed Low Profile Soft Roll-up Tonneau Cover
