Buick Regal 2018-2026 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
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Engine Front Cover Removal
1.
Remove the accessory drive belt tensioner bolt (1).
2. Remove the accessory drive belt tensioner (2).
3.
Remove the engine front cover bolts (2 - 7, 9).
4. Discard bolts 3, 5, and 6.
5. Remove the engine front cover (1).
6. Ensure proper use of room temperature vulcanizing (RTV) sealant. U
DTC B1025-B1135 (UQA without IO5/IO6)
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.
Refer to Diagnostic Procedure Instructions provide an overview of each
diagnostic category.
DTC Descr
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