PINCHWELD And Frame Clamping - Crib # 57 (T-CRIB-57)

PINCHWELD AND FRAME CLAMPING - CRIB # 57

COLLISION REPAIR INFORMATION

REVISION HISTORY

Pinchweld and Frame clamps are used for securing unitized and full frame vehicles to equipment for measuring and repair operations. Securing clamps to a frame and pinch welds leave contact witness marks that require multiple operations to correct. Any damage to the clamped area must be repaired to ensure corrosion protection is restored. Be sure to follow product manufacturers specific procedures when applying any coatings.

PINCHWELD CLAMPING

Rocker pinch-weld clamps on unitized vehicles deform, disrupt, and pierce paint as well as chipresistant coatings. Removing coatings at clamp contact locations is highly recommended, as they may build up on clamps and reduce their gripping ability during repair operations. Clamp marks in the metal, E-coat, chip resistant PVC, primer coatings, and topcoats must be restored to provide the same level of appearance and corrosion protection as the original coatings. To replicate factory e-coat, apply a two-part epoxy primer before applying chip-resistant coatings and topcoats.

FRAME CLAMPING

Frame clamping also causes witness marks that need to be restored to provide the same level of appearance and corrosion protection as the original coatings. Frame clamp marks must be smoothed then coated with two-part epoxy primer and a topcoat to match original coating.

Frame Damage from Clamp

Pinch Weld Damage from Clamp

For more information on this and other important collision repair topics visit the Toyota Technical Information System (TIS)