Section 250 (Engine - 6.8L Triton-30V - V10): Disassembly: Engine
For information on Ford Color Coded Illustrations refer to OEM Color Coding
Special Tool(s) / General Equipment
| 100-001 (T50T-100-A) Slide Hammer | |
|---|---|
| 303-009 (T58P-6316-D) Remover, Crankshaft Vibration Damper | |
| 303-1039 Compressor, Valve Spring TKIT-2004J-F TKIT-2005U-LM | |
| 303-107 (T74P-6700-A) Remover, Crankshaft Front Oil Seal | |
| 303-514 (T95P-6701-AH) Remover, Crankshaft Rear Oil Slinger TKIT-1995-FH/FLMH TKIT-1995-LMH/MH | |
| 303-519 (T95P-6701-EH) Remover, Crankshaft Rear Oil Seal TKIT-1995-FH/FLMH TKIT-1995-LMH/MH | |
| 303-572 (T97T-6000-A) Remover/Installer, Cylinder Head TKIT-1997-FLM TKIT-1997-F/FM | |
| 303-F047 Lifting Bracket, Engine | |
| Floor Crane | |
| Mounting Stand | |
| Plastic Scraper |
- Remove the engine. Refer to: Engine .
- Remove the bolts and the flexplate.
- Remove the engine rear cover plate.
- Using the special tools, remove and discard the crankshaft oil slinger. Use Special Service Tool: 303-514 (T95P-6701-AH) Remover, Crankshaft Rear Oil Slinger., 100-001 (T50T-100-A) Slide Hammer.
- Using the special tools, remove and discard the crankshaft rear seal. Use Special Service Tool: 303-519 (T95P-6701-EH) Remover, Crankshaft Rear Oil Seal., 100-001 (T50T-100-A) Slide Hammer.
- Remove the bolts and the crankshaft rear seal retainer plate.
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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.
Clean and inspect the sealing surfaces. Use the General Equipment: Plastic Scraper
- Install the engine assembly onto a suitable engine stand, Remove the bolts and the Engine Lifting Bracket. Use Special Service Tool: 303-F047 Lifting Bracket, Engine. Use the General Equipment: Floor Crane Use the General Equipment: Mounting Stand
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NOTE: LH shown, RH similar.
If equipped.
- Remove the cylinder block drain plugs and drain the coolant into a suitable container.
- Remove the bolts and the RH engine mount bracket.
- Discard the bolts.
- Remove the bolts and the LH engine mount bracket.
- Discard the bolts.
- Remove the bolts and the ignition coil-on-plugs by using a twisting motion while pulling up on the ignition coil-on-plugs.
- Disconnect the CHT sensor electrical connector.
- Disconnect the KS electrical connectors and remove the wiring harness.
- Remove the bolts and the both KS.
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- Remove the oil level indicator.
- Remove the bolts and the oil level indicator tube. Discard the O-ring seal.
- Remove the bolts and the heat shield.
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- Remove the nuts and the LH exhaust manifold.
- Discard the nuts.
- Remove and discard the LH exhaust manifold gaskets and studs.
- Remove the bolts and the heat shield.
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- Remove the nuts and the RH exhaust manifold.
- Discard the nuts.
- Remove and discard the RH exhaust manifold gaskets and studs.
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NOTE: The bolts are part of the valve cover and should not be removed.
Loosen the bolts in sequence shown and remove the RH valve cover.
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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.
Clean the valve cover mating surface of the cylinder head. Use the General Equipment: Plastic Scraper
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NOTE: Clean the valve cover gasket groove with soap and water or a suitable solvent.
Discard the RH valve cover gasket.
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NOTE: The bolts are part of the valve cover and should not be removed.
Loosen the bolts in sequence shown and remove the LH valve cover.
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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.
Clean the valve cover mating surface of the cylinder head. Use the General Equipment: Plastic Scraper
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NOTE: Clean the valve cover gasket groove with soap and water or a suitable solvent.
Remove and discard the LH valve cover gasket.
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- Remove the bolt and the LH accessory drive belt idler pulley.
- Remove the bolts and the coolant pump pulley.
- Remove the bolts and the accessory drive belt tensioner.
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- Remove the crankshaft pulley bolt and washer.
- Discard the crankshaft pulley bolt.
- Using the special tool, remove the crankshaft pulley. Use Special Service Tool: 303-009 (T58P-6316-D) Remover, Crankshaft Vibration Damper.
- Using the special tool, remove and discard the crankshaft front seal. Use Special Service Tool: 303-107 (T74P-6700-A) Remover, Crankshaft Front Oil Seal.
- Remove the bolts and the coolant pump.
- Remove the front side oil pan bolts.
- Remove the engine cover bolts and stud bolts.
- Remove the engine front cover from the front cover to cylinder block dowel.
- Remove and discard the engine front cover gaskets.
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NOTE: Only use hand tools to loosen the camshaft sprocket bolt or damage to the camshaft or camshaft sprocket may occur.
Loosen the RH camshaft sprocket bolt one full turn.
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NOTE: Only use hand tools to loosen the camshaft sprocket bolt or damage to the camshaft or camshaft sprocket may occur.
Loosen the LH camshaft sprocket bolt one full turn.
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NOTE: The balance shaft bearing caps must be installed in their original locations. Record camshaft bearing cap locations.
Remove the bolts in sequence shown and then the balance shaft bearing caps.
- Remove the balance shaft.
- Remove the crankshaft sensor ring from the crankshaft.
- Position the crankshaft keyway at the 12 o'clock position.
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NOTE: If the camshaft lobes are not exactly positioned as shown, the crankshaft will require one full additional rotation to 12 o'clock.
The number 1 cylinder camshaft exhaust lobe must be coming up on the exhaust stroke. Verify by noting the position of the 2 intake camshaft lobes and the exhaust lobe on the number 1 cylinder.
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NOTE: If the components are to be reinstalled, they must be installed in their original locations or engine damage may occur. Mark the components for installation into their original locations.
Remove only the 3 camshaft roller followers shown in the illustration from the RH cylinder head.
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NOTE: It may be necessary to push the valve down while compressing the spring.
Using the Valve Spring Compressor, remove the 3 camshaft roller followers designated in the previous step from the RH cylinder head. Use Special Service Tool: 303-1039 Compressor, Valve Spring.
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NOTE: If the components are to be reinstalled, they must be installed in their original locations or engine damage may occur. Mark the components for installation into their original locations.
Remove only the 4 camshaft roller followers shown in the illustration from the LH cylinder head.
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NOTE: It may be necessary to push the valve down while compressing the spring.
Using the Valve Spring Compressor, remove the 4 camshaft roller followers designated in the previous step from the LH cylinder head. Use Special Service Tool: 303-1039 Compressor, Valve Spring.
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NOTE: The crankshaft cannot be moved past the 6 o'clock position once set or engine damage may occur.
Rotate the crankshaft clockwise and position the crankshaft keyway at the 6 o'clock position.
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NOTE: If one or both of the tensioner mounting bolts are loosened or removed, the tensioner-sealing bead must be inspected for seal integrity. If cracks, tears, separation from the tensioner body or permanent compression of the seal bead is observed, install a new tensioner or engine damage may occur.
Remove the bolts, the LH timing chain tensioner and tensioner arm.
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NOTE: If one or both of the tensioner mounting bolts are loosened or removed, the tensioner-sealing bead must be inspected for seal integrity. If cracks, tears, separation from the tensioner body or permanent compression of the seal bead is observed, install a new tensioner or engine damage may occur.
Remove the bolts, the RH timing chain tensioner and tensioner arm.
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- Remove the RH timing chain from the crankshaft and camshaft sprocket.
- Remove the LH timing chain from the crankshaft and camshaft sprocket.
- Remove the bolts and the timing chain guides.
- Remove the bolt and the RH camshaft sprocket.
- Discard the bolt.
- Remove the bolt and the LH camshaft sprocket.
- Discard the bolt.
- Remove the balance shaft drive gear from the LH camshaft.
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NOTE: Remove the front thrust camshaft bearing cap straight upward from the bearing towers, or the bearing cap may be damaged from side loading.
Remove the bolts and the RH camshaft front bearing cap.
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NOTE: The camshaft bearing caps must be installed in their original locations. Record camshaft bearing cap locations or engine damage may occur.
Remove the bolts in sequence shown and remove the RH cylinder head camshaft bearing caps.
- Clean and inspect the RH camshaft bearing caps.
- The camshaft front thrust bearing cap contains an oil metering groove. Make sure the groove is free of foreign material.
- Remove the RH camshaft.
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NOTE: If the components are to be reinstalled, they must be installed in their original locations or engine damage may occur. Mark the components for installation into their original locations
Remove all of the remaining roller followers from the RH cylinder head.
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NOTE: If the components are to be reinstalled, they must be installed in their original locations or engine damage may occur. Mark the components for installation into their original locations
Remove the hydraulic lash adjusters from the RH cylinder head.
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NOTE: Remove the front thrust camshaft bearing cap straight upward from the bearing towers, or the bearing cap may be damaged from side loading.
Remove the bolts and the LH camshaft front bearing cap.
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NOTE: The camshaft bearing caps must be installed in their original locations. Record camshaft bearing cap locations or engine damage may occur.
Remove the bolts in the sequence shown and remove the LH cylinder head camshaft bearing caps.
- Clean and inspect the LH camshaft bearing caps.
- The camshaft front thrust bearing cap contains an oil metering groove. Make sure the groove is free of foreign material.
- Remove the LH camshaft.
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NOTE: If the components are to be reinstalled, they must be installed in their original locations or engine damage may occur. Mark the components for installation into their original locations
Remove all of the remaining roller followers from the LH cylinder head.
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NOTE: If the components are to be reinstalled, they must be installed in their original locations or engine damage may occur. Mark the components for installation into their original locations
Remove the hydraulic lash adjusters from the LH cylinder head.
- Install the special tool onto the LH cylinder head. Use Special Service Tool: 303-572 (T97T-6000-A) Remover/Installer, Cylinder Head.
- Install the special tool onto the RH cylinder head. Use Special Service Tool: 303-572 (T97T-6000-A) Remover/Installer, Cylinder Head.
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NOTE: The cylinder head must be cool before removing it from the engine. Cylinder head warpage can result if a warm or hot cylinder head is removed.NOTE: Place clean shop towels over exposed engine cavities. Carefully remove the towels so foreign material is not dropped into the engine or engine damage may occur.NOTE: The cylinder head bolts must be discarded and new bolts must be installed or engine damage may occur. They are a tighten-to-yield design and cannot be reused.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.NOTE: Aluminum surfaces are soft and can be scratched easily. Never place the cylinder head gasket surface, unprotected, on a bench surface or cylinder head damage may occur.NOTE: LH shown, RH similar.
Remove the bolts and the cylinder head.
- Discard the bolts.
- Remove and discard the cylinder head gasket.
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NOTE: LH shown, RH similar.
Remove the dowels.
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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.NOTE: Clean the cylinder head bolt holes in the cylinder block using compressed air. Make sure all coolant, oil or other foreign material is removed.NOTE: LH shown, RH similar.
Clean and inspect the cylinder head-to-cylinder block mating surfaces of both the cylinder heads and the cylinder block.
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NOTE: LH shown, RH similar.
Check the cylinder block distortion, paying particular attention to the oil pressure feed area. Refer to: Cylinder Block Distortion .
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NOTE: LH shown, RH similar.
Support the cylinder head on a bench with the head gasket side up. Check the cylinder head distortion, paying particular attention to the oil pressure feed area. Refer to: Cylinder Head Distortion .
- Remove the bolts and nut retaining the oil filter adapter to the cylinder block. Remove the oil filter adapter and clean the gasket surface.
- Remove the bolts and the oil pan.
- Remove the bolts, the oil pump screen and pickup tube.
- Remove the spacer.
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- Remove and discard the oil pan gasket.
- Remove and discard the oil pump screen and pickup tube O-ring seal.
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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.
Clean and inspect the oil pan and mating surface of the engine block.
- Remove the bolts and the oil pump.
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NOTE: Make sure connecting rods and rod caps are numbered, to retain correct orientation.NOTE: Rotate the crankshaft so that the connecting rod is at bottom dead center.
Remove the bolts and the connecting rod cap.
- Discard the bolts.
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NOTE: Do not scratch the cylinder walls or the crankshaft journals with the connecting rod, or engine damage may occur.
Remove the piston and connecting rod assembly.
- Repeat the previous 2 steps for each of the remaining pistons.
- Disassemble the 10 pistons. Refer to: Piston .
- Remove and discard the LH cross-mounted bolts.
- Remove and discard the RH cross-mounted bolts.
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- Remove the crankshaft main bearing cap bolts.
- Remove the crankshaft main bearing caps from the cylinder block.
- Remove the main bearing cap dowel pins.
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NOTE: Only the number 6 crankshaft main bearing cap has a thrust washer.
- Remove and discard the lower crankshaft main bearing thrust washer.
- Remove and discard the lower crankshaft main bearings from the crankshaft main bearing caps.
- Remove the crankshaft from the cylinder block.
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- Remove and discard the upper crankshaft main bearing thrust washers.
- Remove and discard the upper crankshaft main bearings from the cylinder block.