2011 GMC Sierra
Mileage
86,575
Service Date
11/8/2019
Services Performed
- CYLINDER HEAD GASKET – Remove & Replace – BOTH SIDES
- DRAIN AND REFILL CRANKCASE WITH PREMIUM MOTOR OIL, REPLACE OIL FILTER, LUBRICATE CHASSIS WHERE APPLICABLE, INSPECT AIR AND CABIN FILTERS, TOP OFF FLUID LEVELS AND APPLY REMINDER STICKER.
- INSPECT MISS ON CYLINDER #6. REMOVED VALVE COVER TO CHECK FOR ROCKER, BROKEN SPRING OR ANY OTHER PROBLEM. ALL ROCKERS AND PUSH RODS WERE MOVING GOOD. RAN LEAK DOWN TEST ON CYLINDER #6 HAD AIR COMING OUT OF INTAKE SYSTEM. POSSIBLE INTAKE VALVE OR SEAT PROBLEM.
- PRESSURE TEST, VACUUM TEST AND MILL BOTH HEADS. GRIND 1 SEAT AND INSTALL NEW VALVE
SCOTT H. gave our service a 5 star review on 11/10/2019