Quick Answer
When water pools on an RV awning, it can overwhelm the fabric and damage the spring mechanism. You'll need to assess whether the fabric, spring, or roller tube is damaged to determine if repair or replacement is needed.
Tools & Parts Needed
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Short Answer
If your awning uses a torsion spring system (common on many RVs), the spring has likely unwound due to water pooling and breaking the fabric tension, which is exactly what happens when water overwhelms the fabric's weight capacity. Since you mentioned the spring "was a surprise" when you removed the supports, the spring mechanism may still be intact but completely unwound, though this requires careful inspection. This is typically repairable for $50-150 in parts plus your time, making it much more cost-effective than a full replacement ($800-2000). The key is re-tensioning the torsion spring and assessing whether the fabric and arms sustained damage from the water load.
Understanding the Problem
What you experienced is one of the most common awning failures - water pooling due to insufficient pitch angle. When you set the awning too flat (with the RV end lower than or equal to the outer end), water collects in the center rather than running off the edges. Even small amounts of pooled water can create enough weight to overwhelm the fabric and spring tension system, depending on your awning size and type.
The torsion spring inside your roller tube maintains tension on the fabric. When excessive weight suddenly releases (like water dumping or fabric tearing), the spring rapidly unwinds, which is that "surprise" you experienced. The good news is that unlike a broken spring, an unwound spring can usually be re-tensioned without replacement.
The fact that it's now "hanging straight down" indicates the spring has completely lost tension but the roller mechanism and arms are likely undamaged. Most water-related awning failures damage the fabric more than the mechanical components, especially in light rain scenarios like yours where wind wasn't a factor.
What You'll Need
For the repair, you'll need a few basic tools and possibly some replacement parts. Essential tools include a drill with bits, adjustable wrenches, needle-nose pliers, and most importantly, a spring tension tool or large flathead screwdriver for re-winding the torsion spring. You'll also want work gloves since you'll be handling metal components and potentially sharp fabric edges.
Parts-wise, inspect your fabric carefully for tears, stretched areas, or pulled grommets where it attaches to the roller. Replacement fabric typically runs $100-200 depending on your awning size. If the fabric is salvageable, you might only need new end caps or springs, which cost $15-40 each.
Always have a helper available since awning fabric and roller assemblies are very heavy and can cause serious injury if not properly supported. One person should support components while another adjusts tension. The job typically takes 2-4 hours for a DIY repair, depending on whether you're just re-tensioning or replacing fabric.
How to Fix It
SAFETY WARNING: Awning torsion springs are under significant tension and can cause serious injury if they snap back unexpectedly. Always wear safety glasses and gloves, and ensure springs are properly secured before releasing tension. Have a helper present and work slowly to maintain control.
Start by securing the awning arms in their current position to prevent further movement, then Remove the end cap on the spring side (usually opposite the gear end) carefully - there may still be some residual spring tension. Before proceeding, mark the current spring position and count any existing tension turns for reference. Once exposed, you'll see the torsion spring wound around a shaft inside the roller tube.
To re-tension the spring, you must wind it in the exact direction and to the precise tension specified by your manufacturer - this varies significantly between brands and models. Consult your manufacturer's specifications for both winding direction and tension amount before proceeding, as generic advice can damage the mechanism. Use a spring winding tool or sturdy screwdriver inserted into the spring end, and wind slowly and steadily. You'll feel increasing resistance as tension builds.
After re-tensioning and fully reassembling the end cap, test the mechanism by slowly allowing the awning to retract slightly, then extending it again. The fabric should have good tension without being overly tight. If your fabric has tears or stretched areas from the water damage, you'll need to replace it before final assembly. When reinstalling end caps, ensure all hardware is properly sealed to prevent water intrusion.
Finally, test the complete operation several times and adjust the pitch to ensure proper water runoff - aim for at least a 2 inch drop per 8 feet of awning width (1/4 inch per foot) to prevent future pooling issues.
Leave It to the Experts
Consider professional repair if you're uncomfortable working with spring tension mechanisms, as they can cause injury if they slip during winding. RV service centers typically charge $150-300 for awning spring re-tensioning and fabric inspection, which includes warranty on the work.
Professional replacement makes sense if your fabric is severely damaged, if multiple components failed, or if your awning is older than 10 years and showing general wear. A complete professional awning replacement runs $800-2000 installed, but gives you updated hardware and often better fabric materials.
Also consider professional help if this is a recurring problem, as there might be underlying issues with your awning's mounting or RV structure that's causing improper pitch angles. An experienced technician can assess whether your awning brackets need adjustment or if there are leveling issues with your RV that contribute to water pooling problems.
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