2020 GMC Sierra 1500
Mileage
44,520
Service Date
11/19/2025
Services Performed
- Misfire on #5 cylinder. Removed valve cover and found a bent exhaust push rod
- Replaced bent push rod on cylinder #5. Misfire still present. Need to remove cylinder head and inspect lifter / camshaft for damage.
- Removed the left side cylinder head and inspected for lifter / camshaft damage. Camshaft is heavily scored and needs replaced. Recommend camshaft and lifters replaced.
- Replaced the camshaft with new. Replaced all lifters with new. Replaced all associated gaskets with new. Cleaned the oil pan of any debris. Replaced the oil and filter with new. Vacuum bled the cooling system with new coolant.
- CYLINDER HEAD – Pressure Test / Vacuum Test / Surface – Both Sides
Dennis B. gave our service a 5 star review on 11/19/2025
