Buick Regal 2018-2025 Service Manual / General Information / Engine Overhaul Procedures / Cylinder Head Overhaul
Buick Regal: Cylinder Head Overhaul
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Cylinder Head Disassembly
NOTE: Examples used in this article are general in nature and do not
necessarily
relate to a specific engine or system. Illustrations and procedures have
been chosen to guide mechanic through engine
Valve Guide
NOTE: Examples used in this article are general in nature and do not
necessarily
relate to a specific engine or system. Illustrations and procedures have
been chosen to guide mechanic through engine
Valves & Valve Seats
NOTE: Examples used in this article are general in nature and do not
necessarily
relate to a specific engine or system. Illustrations and procedures have
been chosen to guide mechanic through engine
SEE MORE:
DTC C0670 or C0675
Diagnostic Instructions
Perform the Diagnostic System Check - Vehicle prior to using this
diagnostic procedure.
Review Strategy Based Diagnosis for an overview of the diagnostic
approach.
Diagnostic Procedure Instructions provides an overview of each
diagnostic category.
DTC Descriptors
D
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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