LASER FRAME STRAIGHTENING.
3D Optical Chassis Metrology

LASER FRAME STRAIGHTENING.
MILLIMETER-ACCURATE ALIGNMENT.

A bent frame compromises your safety, wheel tracking, and crumple zones. Our computerized laser measuring benches restore unibody geometry to original factory specs.

Structural Metrology

COMPUTERIZED 3D LASER MEASURING SYSTEMS

In severe collisions, kinetic energy travels along structural frame rails, subframes, A/B/C pillars, and suspension strut towers. We use high-precision 3D optical laser scanners that compare 50+ chassis coordinate points against OEM blueprints.

Sub-Millimeter Datum Accuracy

Measures length, width, and diagonal cross-symmetry to within +/- 1mm of original factory build tolerances.

Multi-Directional Hydraulic Pulling

10-ton hydraulic pulling towers exert controlled counter-directional tension to reverse kinetic impact deformation.

Crumple Zone Safety Certification

Guarantees that frontal, side, and rear impact absorption zones will deploy correctly in future impacts.

COMPUTERIZED 3D LASER MEASURING SYSTEMS

Chassis anchored on multi-tower hydraulic pulling bench with real-time laser targets.

Advanced Metallurgy

HIGH-STRENGTH & BORON STEEL PROTOCOLS

Modern vehicle monocoques utilize Ultra-High-Strength Steels (UHSS) and heat-sensitive Boron steels that cannot be straightened using old torch-heating methods without destroying structural temper.

Cold-Pulling & Micro-Stress Relief

Prevents crystal grain degradation in hydroformed structural steel rails and passenger safety cages.

Inverter Resistance Spot Welding (RSW)

Replicates OEM factory spot welds with digitally controlled current and clamping pressure.

Suspension & Drivetrain Alignment

Restores engine subframe mounting points and steering rack geometry so the vehicle drives laser-straight.

HIGH-STRENGTH & BORON STEEL PROTOCOLS

Cold pulling and resistance spot welding (RSW) preserving metallurgical temper.

Restoration Phases

FRAME RESTORATION STAGES

Every structural repair follows strict manufacturer procedures to ensure total passenger compartment protection.

1. 4-Point Pinch-Weld Anchoring

Securing the chassis to heavy structural bed rails with hardened alloy vice clamps.

2. Real-Time Laser Target Mapping

Suspending optical targets from factory reference holes to measure real-time pulling progress on digital screens.

3. Progressive Multi-Vector Tension

Simultaneous hydraulic pulling on frame horns, apron panels, and unibody pillars.

4. Printout Quality Verification

Generating a certified before-and-after coordinate report for your insurance carrier and personal records.

FRAME RESTORATION STAGES

Printed 3D coordinate validation report showing green tolerances across all datum points.

Q&A

Frequently Asked Questions

Clear answers regarding auto collision, insurance claims, paint matching, and warranties in Quebec.

01. Can a bent or twisted car frame truly be straightened back to safe condition?

Yes. When performed with computerized 3D laser measuring benches and hydraulic vector pulling, the unibody is brought back to OEM millimeter datum specs. If a section is kinked beyond structural limits, factory sectioning procedures are used to replace the damaged frame component.

02. Will my car drive straight and wear tires evenly after frame straightening?

Yes. By restoring exact subframe and suspension mounting coordinates, 4-wheel alignment angles (camber, caster, and toe) return to factory specifications, eliminating dog-tracking and premature tire wear.

03. Do insurance companies write off cars with frame damage automatically?

Not always. A vehicle is only declared a total loss if the cost of frame repair and bodywork exceeds 70-80% of actual cash value. We regularly repair frame-damaged vehicles safely within insurance repair thresholds.

04. How do you verify the frame is 100% straight?

We provide a computerized 3D coordinate printout detailing the exact dimensional measurements of every factory target point before and after the repair.

Northstar Auto · Laval

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Fill out the form below and our Laval team will get back to you shortly to schedule an appraisal or answer any questions.

Our Location

60 Rue Gélinas
Laval, QC H7M 2Z5
Quebec, Canada

Call Us

(514) 581-1433

Business Hours

  • Mon - Fri: 9:00 AM - 5:00 PM
  • Saturday: 11:00 AM - 2:00 PM
  • Sunday: Closed