Cylinder Head - LH: Removal
WARNING: This page is about a different car, the 2016 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
During engine repair procedures, cleanliness is extremely important. Any foreign material, including any material created while cleaning gasket surfaces that enters the oil passages, coolant passages or the oil pan, may cause engine failure.
NOTE:
If the cylinder head is replaced, a new secondary timing chain tensioner will need to be installed.
- 1.
With the vehicle In NEUTRAL, position It on a hoist. Refer to: Jacking and Lifting .
- 2.
Release the fuel pressure. Refer to: Fuel System General Information .
- 3.
Remove the Left Hand(LH) turbocharger. Refer to: Fuel Charging and Controls - Turbocharger, 3.5L GTDI .
- 4.
Remove the LH camshafts. Refer to: Camshafts .
- 5.NOTE: Do not use power tools to remove the bolt or damage to the LH primary timing chain guide may occur.
Remove the bolt and the LH upper primary timing chain guide.
- 6.
Using a hose clamp remover/installer, disconnect the heater hose.- Remove the bolts and the coolant crossover manifold and coolant inlet tube assembly.
- Discard the gaskets.
- 7.
Loosen the flare nuts, remove the bolt and the high pressure fuel tube.- Discard the bolt and the high pressure fuel tube.
- 9.
Disconnect the LH Camshaft Position(CMP) sensor electrical connectors. Position back the Crankshaft Position(CKP) wire retainer. Remove the ground stud bolt.
- 11.NOTE: If the components are to be reinstalled, they must be installed in the same positions. Mark the components for installation into their original positions.
Remove the valve tappets form the cylinder head.
- 12.
Inspect the valve tappets. Refer to: Engine System General Information .
- 14.NOTE: Place clean, lint-free shop towels over exposed engine cavities. Carefully remove the towels so foreign material is not dropped into the engine. Any foreign material (including any material created while cleaning gasket surfaces) that enters the oil passages or the oil pan, may cause engine failureNOTE: Aluminum surfaces are soft and may be scratched easily. Never place the cylinder head gasket surface, unprotected, on a bench surface.NOTE: The cylinder head bolts must be discarded and new bolts must be installed. They are a tighten-to-yield design and cannot be reused.
- Remove and discard the bolts from the cylinder head.
- Remove the cylinder head.
- 15.NOTE: Do not use metal scrapers, wire brushes, power abrasive discs or other abrasive means to clean the sealing surfaces. These tools cause scratches and gouges which make leak paths. Use a plastic scraping tool to remove all traces of old sealant.
Make sure that the mating faces of the cylinder head are clean and free of foreign material.
- 17.NOTE: Place clean, lint-free shop towels over exposed engine cavities. Carefully remove the towels so foreign material is not dropped into the engine. Any foreign material (including any material created while cleaning gasket surfaces) that enters the oil passages or the oil pan, may cause engine failure.NOTE: Do not use metal scrapers, wire brushes, power abrasive discs or other abrasive means to clean the sealing surfaces. These tools cause scratches and gouges that make leak paths. Use a plastic scraping tool to remove all traces of the head gasket.
Make sure that the mating faces of the engine block are clean and free of foreign material.
- 18.
Support the cylinder head on a bench with the head gasket side up. Check the cylinder head distortion and the cylinder block distortion. Refer to: Engine System General Information .