LASD Replacement (On Body)
Step 1: Pre-Cleaning
Pre-wash/clean vehicle prior to disassembly. Power wash the undercarriage area at the repair site.
Visual Description: Image showing the underside of a truck or vehicle being power washed.
Step 2: LASD Removal
Remove sound deadening material from the affected repair area using a scraper or chisel.
Visual Description: Image of a person's hands using a scraper or chisel to remove material from a vehicle's metal panel.
Step 3: Surface Prep
Scuff the surface with a maroon Scotch-Brite™ hand pad. Blow off the area with compressed air and clean with APCD (Automotive Pre-Cleanant/Degreaser).
Visual Description: Image of a gloved hand holding a maroon Scotch-Brite™ pad, preparing to scuff a vehicle's metal surface.
Step 4: Application
Mask the area and apply seam sealer. Re-create the desired appearance and texture of NVH (Noise, Vibration, Harshness) material using appropriate tools such as notched spreaders, brushes, scuff pads, or compressed air. Remove perimeter masking following the tooling process and prior to final cure.
Visual Description: Image showing the application of a dark, textured material onto a prepared vehicle panel, likely using a tool.
Product List
- 3M™ Car Wash Soap Concentrate, 1 gallon, PN 38377
- 3M™ All Purpose Cleaner and Degreaser Concentrate, 1 gallon, PN 38350
- Scotch-Brite™ Durable Flex Hand Pad, MX-HP, 4-1/2 in. x 9 in., Very Fine, PN 64659
- Scotch-Brite™ 7447 PRO Hand Pads, Very Fine grade, 6 in. x 9 in., PN 64926
- 3M™ Heavy-Bodied Seam Sealer, 200mL, PN 08308; 600mL DMS, PN 58308
- 3M™ Urethane Seam Sealer, PN 08361
- 3M™ MSP Seam Sealer, PN 08370
- 3M™ NVH Dampening Material, PN 04274
? Think About Your Health
Personal Protective Equipment (PPE) recommendations:
- 3M™ E-A-R™ Skull Screws™ Ear Plug, PN P1300
- 3M™ Respirator Assembly/ Organic Vapor N95 Dual Cartridge, PN 07192
- 3M™ Lexa™ Protective Eyewear, PN 15200
Note: This is not a complete list. Select protective eyewear, appropriate gloves, hearing protection, respirator, and protective clothing based on your job and exposure assessment.
Additional Information & Disclaimers
For individual product instructions and applicable precautions, see product labels and associated literature for the individual product at 3MCollision.com.
For product material safety data sheets, see 3MCollision.com.
Technical Information
The technical information, recommendations, and other statements contained in this document are based upon tests or experience that 3M believes are reliable, but the accuracy or completeness of such information is not guaranteed.
Product Use
Many factors beyond 3M's control and uniquely within the user's knowledge and control can affect the use and performance of a 3M product in a particular application. Given the variety of factors that can affect the use and performance of a 3M product, the user is solely responsible for evaluating the 3M product and determining whether it is fit for a particular purpose and suitable for the user's method of application.
Warranty, Limited Remedy and Disclaimer
Unless an additional warranty is specifically stated on the applicable 3M product packaging or product literature, 3M warrants that each 3M product meets the applicable 3M product specification at the time 3M ships the product. 3M MAKES NO OTHER WARRANTIES OR CONDITIONS, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED WARRANTY OR CONDITION OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OR ANY IMPLIED WARRANTY OR CONDITION ARISING OUT OF A COURSE OF DEALING, CUSTOM OR USAGE OF TRADE. If the 3M product does not conform to this warranty, then the sole and exclusive remedy is, at 3M's option, replacement of the 3M product or refund of the purchase price.
Limitation of Liability
Except where prohibited by law, 3M will not be liable for any loss or damage arising from the 3M product, whether direct, indirect, special, incidental or consequential, regardless of the legal theory asserted, including warranty, contract, negligence or strict liability.
⚠️ IMPORTANT NOTE
There are many factors and variables that can affect an individual repair. Therefore, the technician and repair facility need to evaluate each specific application and repair process, including relevant vehicle, part, and OEM guidelines, and determine what is appropriate for that repair.
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