WATERLEAK TEST PREPARATION
GM vehicles are designed to operate under normal environmental
conditions.
The design criteria for sealing materials and components takes into
consideration the seali
BODY WATERLEAK REPAIR
WARNING: If the vehicle interior is exposed to moisture and becomes
soaked up to
the level of the sensing and diagnostic module (SDM), the SDM and SDM
harness connector must be
Preliminary Proced80ure
Intake Manifold Cover Replacement.
NOTE: Inspect each component while attached to the camshaft cover.
Do not remove the PCV
components unless inspection indicates a suspect component. Replace the PCV
valve, PCV
tube assembly, and PCV hose fitting as an assembly. The connec