2018 GMC Sierra 1500
Mileage
51,002
Service Date
8/7/2026
Services Performed
- P0307 MISFIRE CYLINDER #7 REMOVED VALVE COVER AND SPUN MOTOR OVER BY HAND AND NOTED NO RESPONSE FROM REARWARD ROCKER ARM/PUSHROD. ASSUMING COLLAPSED LIFTER ON SAME CYLINDER. OILING SYSTEM FAILURE WITHIN BLOCK HAS OCCURRED. ENGINE REPLACEMENT IS GOING TO BE NEEDED. CUSTOMER HAS OPTED FOR SHORT TERM REMEDY FIX.
- CYLINDER HEAD GASKET – Remove & Replace – V8, Gas Left – [Includes: Remove carbon and check surfaces for warpage. Includes adjust Valves (where applicable) and clean and adjust Spark Plugs.]
- REPLACE #7 FAILED LIFTER
- Lubricate and check chassis. Change oil and oil filter. Check air filter and breather filter. Check all fluid levels and tire pressures. Preform basic safety inspection.
BOBBY K. gave our service a 5 star review on 8/19/2026
