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Weatherstrip Installation Tips

General tips:

  • If you notice bend or distortion of the weatherstrip due to packing, put the weatherstrip under the sun or in a hot car for a couple of hours to "unwind" the rubber back to shape
  • Prep new weatherstrip that requires adhesive. Clean with denatured alcohol to remove mold release agent from the factory. See reference article.
  • Where adhesive is required, use 3M Black Weatherstrip Adhesive on City Racer weatherstrips. Do not choose 3M "Super" Black adhesive, as it's not formulated for EPDM rubber.
    • Caveat: Use 3M Super Black on OEM weatherstrips, as those are not EPDM. 
  • How to properly glue weatherstrip

Windshield and glass weatherstrips:

Door weatherstrips without pins (e.g. FJ40 front door and rear ambulance door weatherstrips)

  • Installed with adhesive.
  • Clean off old adhesive with 3M adhesive remover and/or Goo Gone.
  • Install new weatherstrip with 3M Black Weatherstrip Adhesive.
  • Fit FJ40 front door weatherstrips on the flat areas of the door periphery past the raised ridges. 

Weatherstrips with pins (e.g. FJ60 front and rear door weatherstrips)

  • Installed without adhesive

Roof weatherstrip / seal

  • Installed without adhesive

Windshield spacer

  • The bolts holding the brackets  at the lower corners are multi-directional adjustment devices and should be loosened before installing the weatherstrip (All the bolts on the windshield frame are adjustable).
  • Squash the seal by closing the windshield to its place gradually.
  • The rubber is sandwiched between the seams of the mating panels at the front of the windshield to perform the sealing function.

Post installation

  • It is normal for the vehicle's door to shut more tightly, or protrude slightly after installing new rubber. This phenomenon is widely observed with both OEM and aftermarket weatherstripping.
  • After a period of time, the rubber will settle and become more compressed.