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2Cruel
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Discussion Starter #1
Material Item Specification Fill Capacity
Metal Brake Parts Cleaner
PM-4-A or PM-4-B (US); CPM-4 (Canada) — —
Motorcraft® SAE 0W-30 Super All Season Motor Oil
XO-0W30-LAS or equivalent WSS-M2C171-E 12.3L (13 qt) with filter
Motorcraft® SAE 5W-40 Full Synthetic Diesel Motor Oil
XO-5W40-5QSD WSS-M2C171-E 12.3L (13 qt) with filter
Motorcraft® SAE 10W-30 Super Duty Diesel Motor Oil
XO-10W30-QSD or equivalent WSS-M2C171-E 12.3L (13 qt) with filter
Motorcraft® SAE 15W-40 Super Duty Diesel Motor Oil
XO-15W40-QSD (US); CXO-15W40-LSD12 (Canada); or equivalent WSS-M2C171-E 12.3L (13 qt) with filter
Penetrating and Lock Lubricant (US); Penetrating Fluid (Canada)
XL-1 (US); CXC-51-A (Canada) — —
Silicone Gasket and Sealant
TA-30 WSE-M4G323-A4 —



General Specifications

Item Specification
General Specifications — Engine
Displacement 6.7L (409 cu in)
Number of cylinders 8
Bore 99 mm (3.897 in)
Stroke 108 mm (4.251 in)
Firing order 1-3-7-2-6-5-4-8
Oil pressure — minimum 68.9 kPa (10 psi) at 700 rpm, 137.8 kPa (20 psi) at 1,200 rpm, 241.3 kPa (35 psi) at 1,800 rpm with engine at operating temperature
Oil capacity 12.3L (13 qt) with filter
Compression ratio 16.2:1
Engine weight (without accessory drive components) 445 kg (981 lb)
Cylinder head and valve train
Cylinder head gasket surface flatness — overall 0.4 mm (0.015 in)
Cylinder head thickness — minimum —
Combustion chamber volume 55.7 cc
Valve arrangement (front to rear) I-E-I-E-I-E-I-E
Valve guide bore diameter 7.035-7.075 mm

(0.276-0.278 in)
Valve stem diameter — intake 6.975-6.995 mm

(0.274-0.275 in)
Valve stem diameter — exhaust 6.97-6.99 mm

(0.274-0.275 in)
Valve stem-to-guide clearance 0.085 mm (0.003 in)
Valve head diameter — intake 33.8 mm (1.33 in)
Valve head diameter — exhaust 30.35 mm (1.194 in)
Valve face runout (TIR Max) 0.038 mm (0.001 in)
Valve face angle — intake (relative to top of head) 29.5 degrees +/- 0.25 degrees from stem axis
Valve face angle — exhaust (relative to top of head) 44.5 degrees +/- 0.25 degrees from stem axis
Valve seat width — intake, maximum service limit 2.5 mm (0.098 in)
Valve seat width — exhaust, maximum service limit 3.0 mm (0.153 in)
Valve seat runout (TIR Max) 0.055 mm (0.002 in)
Valve seat angle — intake (from deck face) 30.25 degrees
Valve seat angle — exhaust (from deck face) 45.25 degrees
Valve spring free length — reference 49.7 mm (1.956 in)
Valve spring solid height — maximum 23 mm (0.905 in)
Valve spring compression pressure — installed 34.0 mm @ 390 ± 20 N

(1.338 in @ 87.6 ± 4.4 lbf)
Valve spring compression pressure — valve open 24.5 mm @ 650 ± 29 N

(0.964 in @ 146.1 ± 6.5 lbf)
Valve spring installed height — reference 34 mm (1.338 in)
Valve spring installed pressure —
Rocker arm ratio (all positions) 1.5:1
Valve margin - intake (minimum) 0.9 mm (0.035 in)
Valve margin - exhaust (minimum) 0.6 mm (0.023 in)
Hydraulic lash adjuster
Diameter 29.793-29.808 mm

(1.172-1.173 in)
Clearance to bore 0.019-0.072 mm

(0.0007-0.002 in)
Service limit —
Hydraulic leakdown rate —
Collapsed lash adjuster gap — at valve tip 0.7-3.0 mm

(0.027-0.118 in)
Camshaft
Gear backlash — camshaft gear to fuel injection pump 0.020-0.190 mm

(0.0007-0.007 in)
Gear backlash — camshaft gear to crankshaft gear 0.023-0.154 mm

(0.0009-0.006 in)
Lobe lift — intake 5.69 mm (0.224 in)
Lobe lift — exhaust 5.90 mm (0.232 in)
Allowable lobe lift loss 0.05 mm (0.001 in)
Journal diameter 59.987-60.013 mm

(2.363-2.364 in)
Camshaft journal bearing inside diameter 60.0375-60.0625 mm

(2.363-2.364 in)
Camshaft journal-to-bearing clearance 0.025-0.075 mm

(0.0009-0.002 in)
Runout (TIR center journals relative to end journals, Max) 0.06 mm (0.002 in)
End play 0.07-0.17 mm

(0.002-0.006 in)
Cylinder block
Cylinder bore diameter 99.000-99.018 mm

(3.897-3.898 in)
Cylinder bore maximum taper —
Cylinder bore maximum out-of-round —
Main bearing bore inside diameter 85.861-85.881 mm

(3.380-3.381 in)
Camshaft bearing bore inside diameter 63.850-63.875 mm

(2.513-2.514 in)
Head gasket surface flatness (across cylinder bores) 0.025 mm (0.001 in) in any 25 mm (1 in) x 25 mm (1 in) area; 0.05 mm (0.002 in) in any 150 mm (6 in) X 150 mm (6 in) area; 0.1 mm (0.004 in) overall
Head gasket surface flatness (across sealing rail on valley side around pushrods/lifters) 0.025 mm (0.001 in) in any 25 mm (1 in) x 25 mm (1 in) area; 0.06 mm (0.002 in) in any 150 mm (6 in) X 150 mm (6 in) area; 0.13 mm (0.005 in) overall
Crankshaft
Main bearing journal diameter — standard size 80.983-81.003 mm

(3.188-3.189 in)
Main bearing journal diameter — 0.25 mm (0.009 in) undersize 80.733-80.753 mm

(3.178-3.179 in)
Main bearing journal maximum taper 0.008 mm (0.0003 in)
Main bearing journal maximum out-of-round 0.005 mm (0.0002 in)
Main bearing journal-to-cylinder block clearance 0.032-0.088 mm

(0.001-0.003 in)
Connecting rod journal diameter — standard size 71.983 to 72.003 mm

(2.833 to 2.834 in)
Connecting rod journal diameter — 0.25 mm (0.009 in) undersize 71.733 to 71.753 mm

(2.8241 to 2.8249 in)
Connecting rod journal maximum taper 0.008 mm (0.0003 in)
Connecting rod journal maximum out-of-round 0.005 mm (0.0002 in)
Crankshaft maximum end play 0.31 mm (0.012 in)
Piston and connecting rod
Piston diameter — standard size (major diameter) 98.939-98.953 mm

(3.8952-3.8957 in)
Piston diameter — 0.50 mm (0.019 in) oversize (major diameter) 99.439-99.453 mm

(3.914-3.915 in)
Piston diameter — 1.0 mm (0.039 in) oversize (major diameter) 99.939-99.953 mm

(3.934-3.935 in)
Piston-to-cylinder bore clearance 0.047-0.079 mm

(0.001-0.003 in)
Piston ring end gap — top compression 0.25-0.040 mm

(0.009-0.015 in)
Piston ring end gap — intermediate compression 0.40-0.60 mm

(0.015-0.023 in)
Piston ring end gap — oil control 0.25-0.50 mm

(0.009-0.019 in)
Piston ring groove width (measured over 2.685 mm (0.105 in) gauge pins) — upper limit 95.85 mm (3.773 in)
Piston ring groove width — replacement limit —
Piston ring width (measured over 1.5 mm (0.059 in) gauge pins, front outer face) 2.605 mm (0.102 in)
Piston ring-to-groove clearance — intermediate 0.065 mm (0.002 in)
Piston ring-to-groove clearance — oil control ring 0.030 mm (0.001 in)
Piston pin bore diameter 34.013-34.018 mm

(1.3390-1.3392 in)
Piston pin diameter 33.994-34.000 mm

(1.3383-1.3385 in)
Piston pin length 76.7-77.0 mm

(3.019-3.031 in)
Piston pin-to-piston fit 0.013-0.024 mm

(0.0005-0.0009 in)
Connecting rod-to-pin clearance 0.012-0.030 mm

(0.0004-0.0011 in)
Connecting rod pin bore diameter 34.012-34.024 mm

(1.3390-1.3395 in)
Connecting rod length (center-to-center) 177 mm +/- 0.125 mm (6.968 in +/- 0.004 in )
Connecting rod maximum allowed bend 0.005 mm (0.0001 in)
Connecting rod maximum allowed twist 0.005 mm (0.0001 in)
Connecting rod bearing bore diameter 71.993 +/- 0.01 mm

(2.834 +/- 0.0004 in)
Connecting rod bearing-to-crankshaft clearance 0.044-0.105 mm

(0.001-0.004 in)
Connecting rod side clearance 0.125-0.475 mm

(0.004-0.018 in)
Miscellaneous
Exhaust manifold warpage — maximum allowable clearance (cold) 0.08 mm (0.003 in) over any individual surface, 0.15 mm (0.005 in) over any 2 consecutive surfaces, 0.25 mm (0.009 in) over 4 surfaces
Upper intake manifold warpage — free state 3 mm (0.118 in)
Upper intake manifold warpage — clamped 0.5 mm (0.019 in)
Vibration damper face runout (Max) 0.25 mm (0.009 in)
Vibration damper rubber bulging (Max) 1.0 mm (0.039 in)
Push rod runout (Max) 0.05 mm (0.001 in)
Piston height above crankcase deck (protrusion) 0.4182 mm +/- 0.01 mm (0.016 in)
Crankshaft Position (CKP) sensor air gap — minimum 0.2 mm (0.007 in)
CKP sensor air gap — nominal 1.15 mm (0.045 in)
CKP sensor air gap — maximum 2.1 mm (0.082 in)
Camshaft Position (CMP) sensor air gap — minimum 0.4 mm (0.015 in)
CMP sensor air gap — nominal 1.2 mm (0.047 in)
CMP sensor air gap — maximum 2 mm (0.078 in)
Trigger wheel runout — maximum 0.35 mm (0.013 in)
Fuel injection pump drive gear backlash 0.020-0.190 mm

(0.0007-0.007 in)
 

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2Cruel
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1,645 Posts
Discussion Starter #2
System Overview

NOTICE: Do not use silicone based sprays or lubricants on any components installed onto or around the diesel exhaust system or intake air distribution and filtering system. Silicone reacts with the Nitrogen Oxides (NOx) sensor and may cause permanent damage to the NOx sensor.

The 6.7L diesel is a new Ford designed engine. It is a 4-stroke turbocharged V-8 engine. The 6.7L diesel engine has a liquid cooled turbocharger, and a liquid cooled charge air cooler. The 6.7L diesel engine has a new common rail high pressure fuel injection system, and a front gear-drive camshaft and push rod valve train. The 6.7L diesel engine also uses a urea injection system to help reduce Nitrogen Oxides (NOx) emissions.


System Components

Upper Engine Components
The aluminum cylinder heads have 6 head bolts per cylinder, and reverse port configuration with exhaust manifolds located in the engine valley to reduce weight and radiated heat.

The cylinder heads have separate rockers for each valve and an oiling bar on each head.

Lower Engine Components
The following components make up the lower engine:

The oil pump is installed in the front cover and is not serviced separately.
The engine block has 6 bolt main caps with the outer main cap bolts installed horizontally from the outside of the block.
The camshaft is front gear drive and drives the injection pump.
The pistons and wrist pins are oil cooled by nozzle jets located in the block.
The pistons have a keystone shaped upper compression ring, a stepped lower compression ring with the step facing down, and two oil control rings.
The main bearings and the connecting rod bearings are tangless design with color coded upper and lower halves.
The vacuum pump is installed on the front cover and is driven by the injection pump drive gear.
Oil Pan Components
The following components make up the oil pan:

The engine oil filter mount is attached to the oil pan. It contains the oil pressure sensor, the oil temperature sensor, and uses a spin-on style engine oil filter.
The upper oil pan is a structural member of the powertrain assembly and contains the lower transmission mounting bosses.
The lower oil pan contains a quarter turn quick release drain plug.
The oil cooler is mounted externally to the upper oil pan and has a fastener that is accessed from the inside after the lower oil pan is removed.

Engine Identification

Always refer to these labels when installation of new parts is necessary, or when checking engine calibrations. The engine parts often differ within a CID family. Verification of the identification codes make sure the correct parts are obtained. These codes contain all of the pertinent information relating to the dates, optional equipment and revisions. The Ford Catalog Advantage™, or equivalent, contains a complete listing of the codes and their application.


Engine Code Information Label

The engine code information label is mounted to the crankcase ventilation housing and contains the following information.

NOTE: The crankcase ventilation housing is mounted to the LH valve cover.



Item Description
1 Engine build location
2 Engine displacement
3 GVWR classification
4 Engine serial number (fuel injector label)
5 Cylinder No. location
6 Fuel injector IQA code
7 Engine serial number (engine label)
8 Engine part number


Fuel Injector Replacement Label



Item Description
1 Cylinder number location of replacement fuel injector
2 IQA code of replacement fuel injector



Engine Cylinder Identification

NOTE: Firing order is 1-3-7-2-6-5-4-8.



Oil Requirements

NOTE: When draining the engine oil, allow at least 20 minutes after engine shutdown to make sure that the oil contained in the upper parts of the engine has returned to the oil pan.

The 6.7L diesel engine may be operated over a wide range of operating conditions. It is important to match the viscosity of the engine oil to the vehicle operating conditions. Use the following statements and chart to make sure the oil viscosity chosen is compatible with the expected vehicle operating conditions.

Use an engine block heater at temperatures below -23°C (-10°F). The engine coolant reaches maximum temperature after approximately 3 hours of engine block heater operation.
Use the same engine oil and filter change intervals when using synthetic engine oil.
Use Motorcraft® oil or an equivalent oil conforming to Ford specification WSS-M2C171-E or API service categories CJ-4 or CJ-4/SM.

NOTE: ¹For severe duty usage, use SAE 5W-40 API CJ-4.

²For biodiesel (grades B5-B20) usage, use SAE 5W-40 or SAE 15W-40 API CJ-4.


The following operating conditions are considered severe duty service.

frequent or extended idling (over 10 minutes per hour of normal driving).
low speed operation/stationary use.
if vehicle is operated in sustained ambient temperatures below -23°C (-10°F) or above 38°C (100°F).
frequent low speed operation, consistent heavy traffic less than 40 km/h (25 mph).
operating in severe dust conditions.
operating the vehicle off road.
towing a trailer over 1600 km (1000 miles).
sustained high speed driving at Gross Vehicle Weight Rating (GVWR).
 

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361 Posts
I know this is trivial but 13qts......why the hell couldn't they make it a even amount so most people don't have a gallon jug left over with 3 qts in it.
 

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Same firing order as a 5.0HO!!

Now I know this is going to be a legendary motor...
 
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