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Home >> GMC >> 1978 >> Magnavan 4.8L Eng VIN T, Automatic Trans >> Labor Times >> Engine Mechanical >> Mechanical >> Valve >> Grind Complete

Grind Complete

Includes: Remove carbon, check surfaces for warpage, reface or replace Valves, resurface Valve Seats and clean Valve Guides. Adjust Valves (where applicable).

Applies ToNoteStandard HoursWarranty HoursSkill Level
G3500,In-Line68.36.4A
Additional Procedure: VALVE: Grind Complete:
In-Line6, Where Air Cond interferes add0.50.5A
In-Line6, Where Air Pump interferes add0.60.6A
In-Line6, Where Pwr Strg interferes add0.50.5A
Where Cruise Control interferes add0.2A
Where Elect Eng System interferes add0.5A
Combination Procedure: ROCKER ARM STUD: Remove & Replace:
Each Additional0.2B
One0.3B
Combination Procedure: VALVE LIFTERS: Remove & Replace:
In-Line6, All0.4B
Combination Procedure: VALVE LIFTERS (REMOVED): Clean:
Each Additional0.1B
One0.2B