Box Truck Repair

  “Why Is My Roll‑Up Door So Heavy—Are the Torsion Springs Shot?” Your box truck’s roll‑up door used to glide with one hand. Now it takes two people and a prayer—or it slams down like a guillotine when you let go. Naturally you’re wondering: “Are my torsion springs worn out, or is something else wrong?” This longform guide explains how roll‑up door counterbalance systems work, the symptoms of bad springs (vs. bad cables/tracks), what a proper fix entails, and how to keep the door safe and light for the long haul. Quick Takeaways A roll‑up door that feels heavy, won’t stay up, or slams shut is often suffering from weak, broken, or mis‑tensioned torsion springs —but stretched cables, seized bearings, bent tracks, or header/frame misalignment can create the same symptoms. Do NOT “muscle it” or pull harder—springs store massive energy. Incorrect handling can injure you and make the repair more expensive. Proper diagnosis involves checking spring torque, cable condition, d...

  “Do You Offer Mobile Estimates or Do I Have to Bring the Truck In?” Your driver just called in a damage report, you snapped a few photos, and now you’re wondering: “Can you come to me for an estimate, or do I need to drag this box truck to your shop?” The honest answer is: it depends on the damage, your location, and how accurate you need that first number to be. This guide explains when a mobile/virtual estimate makes sense, when an in‑shop inspection is mandatory , how insurance carriers view each, and how to keep the whole process fast and painless. Quick Takeaways Many commercial repair facilities now offer virtual/photo-based estimates and limited mobile inspections for triage—especially for fleets. Anything involving frame, subframe, or hidden structural damage must be measured on a rack in the shop to get a dependable quote. Insurers will often accept a preliminary estimate from photos, but final approval usually follows an in‑person teardown. You can ...