Buick Regal 2018-2026 Service Manual / General Information / Waterleaks
Buick Regal: Waterleaks
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Diagnostic Information and Procedures
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
Repair Instructions
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
SEE MORE:
Special Tools and Equipment
SPECIAL TOOLS (DIAGNOSTIC TOOLS)
CH-34730-2C
J-34730-2C
Injector Test Lamp
CH-37287-1A
Fuel Pressure Gauge
Adapter 3/8"
CH-38641-B
J-38641-B
Diesel Fuel Quality
Tester
CH-39021-301
J-39021-301
Fuel Injector Harness
Adapter
CH-39021-460
J-39021-460
Fuel Injector Test
Adapter
CH-41415-30
GE-41415
Engine Coolant Thermostat Housing Inlet Pipe Replacement (3.6L LGX)
Removal Procedure
1. Drain the cooling system.
2. Engine Rear Noise Shield - Remove.
3.
Radiator Inlet Hose Clamp (1) - Disengage.
4. Radiator Inlet Hose (2) - Disconnect.
5. Engine Coolant Thermostat Housing Inlet Pipe Bolt (3) - Remove.
6.
Engine Coolant Thermostat Housing Inlet Pipe (1) -
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