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
Special Tools
EN-50656 Holding Tool
EN 50793 Locking Tool
For equivalent regional tools, refer to Special Tools.
Removal Procedure
NOTE: Ensure the engine is properly timed to Top Dead Center (TDC),
prior to
performing repairs.
1. Remove the camshaft cover. Refer to Camshaft Cover Replacement.
Diagnostic Instructions
Perform the Diagnostic System Check prior to using this diagnostic
procedure: Refer to Diagnostic System
Check - Vehicle
Review the description of Strategy Based Diagnosis: Refer to Strategy
Based Diagnosis
An overview of each diagnostic category can be found here: R