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GM Gen IV small-block platform

GM 6.0L V8 Gasoline (GM HD, LY6-L96 2008-2019; Express/Savana vans 2008-2020)

2008-2019 · 6.0L · General Motors

100

vehicle configs

6

failure modes

16

parts

3

recipes

recalls + bulletins →

symptoms compared →

buyer's checklist →

Failure modes

Cooling system wear: water pump, fan clutch, thermostat (L96)

Exhaust manifold cracks / bolt failures (Vortec-era carryover)

Fuel delivery: pump, injectors, pressure (L96/LY6)

Ignition misfire: coils and spark plugs (L96/LY6)

Oil consumption at high mileage (Gen IV theme)

Valvetrain: lifter/rocker wear (no AFM on the HD 6.0)

Parts

gm-hd-gas-l96: exhaust-manifold-gasket (honest catalog gap) part-l96-exh-gasket-gap gm-hd-gas-l96: exhaust-manifold (honest catalog gap) part-l96-exh-manifold-gap GM 6.0L HD Fan Clutch (OEM) part-l96-fan-clutch GM 6.0L HD Fuel Injection Rail (OEM) part-l96-fuel-rail GM 6.0L HD Ignition Coil (OEM) part-l96-ignition-coil GM 6.0L HD Fuel Injector (OEM) part-l96-injector GM 6.0L HD Intake Manifold 2008 (OEM) part-l96-intake-manifold-2008 GM 6.0L HD Intake Manifold 2009-2019 (OEM) part-l96-intake-manifold-2009-2019 GM 6.0L HD Knock Sensor (OEM) part-l96-knock-sensor GM 6.0L HD Oil Filter Assembly (OEM) part-l96-oil-filter GM 6.0L HD Radiator Assembly (OEM) part-l96-radiator GM 6.0L HD Spark Plug 2008-2014 (OEM) part-l96-spark-plug-2008-2014 GM 6.0L HD Spark Plug 2015-2019 (OEM) part-l96-spark-plug-2015-2019 GM 6.0L HD Thermostat Kit (OEM) part-l96-thermostat-kit gm-hd-gas-l96: valvetrain (honest catalog gap) part-l96-valvetrain-gap GM 6.0L HD Water Pump Kit (OEM) part-l96-water-pump-kit

Recipes

Cooling wear service for the HD 6.0 gas (mode fm-l96-cooling-wear): tow-duty wear items - water pump seep, fan clutch engagement, thermostat housing, radiator seams

Fuel delivery repair for the HD 6.0 gas (mode fm-l96-fuel-delivery, the top VOQ cluster): long cranks and lean misfire trace to the injector/pressure side

Ignition service for the HD 6.0 gas (mode fm-l96-ignition): 16 plugs on the OHV V8, one coil per cylinder

Reference for this engine

Repair costs for this engine

3 failures priced in parts

Part number lookup

every OEM number we verified

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the 8th character of the VIN

Vehicle configurations