TechnicianVision · Knowledge base
General Motors Waterproof Rivets: UPDATE
I-CAR · August 23, 2019 · Chevrolet, GMC, Buick, Cadillac
Summary
This article clarifies the identification and part numbers for General Motors waterproof rivets (specifically B1) used in structural procedures like the rear wheelhouse and outer A-pillar sectioning on 2017 and newer Chevrolet Cruze models. It directs technicians to the Fastener Specifications section of the ACDelco body repair manual to identify unfamiliar fasteners and provides the specific GM part number for the B1 rivet.
What to do on the job
Verify and use the correct GM-specified waterproof rivet (Part Number 13438214 for the A-pillar with a grip range of 0.5 to 6.5 mm) when performing sectioning or replacement procedures requiring B1 rivets.
How to use it
Use this document to justify the sourcing and cost of OEM-specific waterproof rivets (Part Number 13438214) on estimates and supplements for 2017+ GM vehicles. It proves that standard commercial blind rivets cannot be substituted for specialized waterproof B1 rivets in critical structural areas like the A-pillar and wheelhouse.
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