Cylinder Head LH: Installation
WARNING: This page is about a different car, the 2021 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
- Install the cylinder head gasket.
-
NOTE: The cylinder head bolts are torque-to-yield and must not be reused. New cylinder head bolts must be installed.
- Install the cylinder head and the new bolts.
Torque:Stage 1: Bolts 1-10 in sequence: 18 lb.ft (25 Nm)
Stage 2: Bolts 1-10 in sequence: 55 lb.ft (75 Nm)
Stage 3: Bolt 1: Loosen: 180 deg.
Stage 4: Bolt 1: 37 lb.ft (50 Nm)
Stage 5: Bolt 1: 240 deg.
- Perform stages 3, 4 and 5 on bolts 2 through 10 (complete all three stages to each bolt before moving on to the next bolt in sequence).
- Install the cylinder head and the new bolts.
-
NOTE: In stage 3, if the torque required to tighten any flare nut on the new high-pressure fuel tube reaches or exceeds 55 lb.ft (50 Nm), then that high pressure fuel tube must be discarded and replaced with another new high-pressure fuel tube.
Torque:Stage 1: Tighten the high-pressure fuel tube flare nuts to : 71 lb.in (8 Nm)
Stage 2: Tighten the high-pressure fuel tube flare nuts to : 89 lb.in (10 Nm)
Stage 3: Tighten the high-pressure fuel tube flare nuts an additional : 25 deg.
- Attach the wiring harness retainer to the cylinder head.
- Connect the engine wiring harness electrical connectors.
- Install the insulators.
- Install the following items:
- Refer to: Exhaust Manifold LH .
- LH hydraulic lash adjusters. Refer to: Hydraulic Lash Adjuster .
- Replace the engine oil filter and engine oil. Refer to: Engine Oil Draining and Filling .
- Connect the battery ground cable. Refer to: Battery Disconnect and Connect .
- Pressurize the fuel system. Refer to: Fuel System Pressure Release .
- Fill and bleed the engine cooling system. Refer to: Engine Cooling System Draining, Vacuum Filling and Bleeding .
- Start the engine and check the exhaust system for leaks.
- Road test the vehicle.