GMW-3155-2015 .pdf

WORLDWIDE Test Procedure ENGINEERING GMW3155 Laboratory STANDARDS Thermal Cycling Test for Life Assessment of Powertrain Sealing Systems 1.2.4 Before initially running this test procedure, 1 Scope the operator shall run 1.2.4.2 to verify sufficient initial sealing of the joint. Air leak integrity Note: Nothing in this test method supersedes ap- (1.2.4.1) of the fixture is specified by the plicable laws and regulations unless a specific requester. Additional checks on late component exemption has been obtained. changes are at the requesters or operators discretion. Note: In the event of a conflict between the Eng- lish and domestic language, the English language 1.2.4.1 Air leak test to ensure that the assemblies shall take precedence. have sufficient sealing integrity (GMW3149). This may be conducted before, during, and after the 1.1 Purpose. thermal cycling test. 1.1.1 This test is used to predict the life of