Contents Wiring diagrams Section: Mechanical All sections

Engine - 3.5L: Specifications Lincoln MKX I

Mechanical ~139 words

MATERIAL SPECIFICATIONS

ItemSpecificationFill Capacity
Motorcraft High Performance Engine RTV Silicone TA-357WSE-M4G323-A6
Motorcraft Metal Surface Prep ZC-31-A
Motorcraft Premium Gold Engine Coolant with Bittering Agent (bittered in US only) VC-7-B (US); CVC-7-A (Canada); or equivalent (yellow color)WSS-M97B51-A1
Motorcraft SAE 5W-20 Premium Synthetic Blend Motor Oil XO-5W20-QSP (US); Motorcraft SAE 5W-20 Super Premium Motor Oil CXO-5W20-LSP12 (Canada); or equivalentWSS-M2C930-A5.2L (5.5 qt) includes filter change
Silicone Gasket Remover ZC-30
Thread Sealant with PTFE TA-24WSK-M2G350-A2

MATERIAL SPECIFICATIONS

GENERAL SPECIFICATIONS

ItemSpecification
Engine
Displacement3.5L (4V) (214 CID)
No. cylinders6
Bore/stroke92.5/86.7 mm (3.641/3.413 in)
Fire order1-4-2-5-3-6
Oil pressureMinimum 30 psi @ 1,500 rpm with engine at normal operating temperature
Spark plugAYSF-22FM Gap = 1.29-1.45 mm (0.051-0.057 in)
Compression ratio10.3:1
Engine weight (without accessory drive components)161 kg (355 lb)
Engine and transaxle weight (without accessory drive components)260.8 kg (575 lb)
Cylinder Head and Valve Train
Cylinder head gasket surface flatnessA
Combustion chamber volume55.84 cc (3.41 CI)
Valve tappet clearance - intake0.15-0.25 mm (0.006-0.01 in)
Valve tappet clearance - exhaust0.300-0.400 mm (0.0118-0.0157 in)
Valve guide bore inner diameter5.519-5.549 mm (0.217-0.218 in)
Valve stem diameter - intake5.479-5.497 mm (0.2157-0.2164 in)
Valve stem diameter - exhaust5.466-5.484 mm (0.2151-0.2159 in)
Valve stem-to-guide clearance - intake0.022-0.070 mm (0.0008-0.0027 in)
Valve stem-to-guide clearance - exhaust0.035-0.083 mm (0.0013-0.032 in)
Valve head diameter - intake36.82-37.18 mm (1.44-1.46 in)
Valve head diameter - exhaust30.82-31.18 mm (1.21-1.22 in)
Valve face runout0.05 mm (0.0001 in)
Valve face angle90.50-91.50 degrees
Valve seat width - intake1.3-1.5 mm (0.051-0.059 in)
Valve seat width - exhaust1.4-1.6 mm (0.055-0.062 in)
Valve seat runout0.04 mm (0.0001 in) MAX
Valve seat angle89.0-91.0 degrees
Valve spring free length (approx.)48.4 mm (1.90 in)
Valve spring compression pressure (N @ spec. length)510 N @ 27.32 mm (115 lbs @ 1.08 in)
Valve spring installed height37.0 mm (1.45 in)
Valve spring installed height pressure (N @ spec. length)235 N @ 37.0 mm (53 lbs @ 1.45 in)
Valve spring installed pressure - service limit10% force loss @ specified height
Camshaft
Theoretical valve lift @ 0 lash9.6798 mm (0.38 in)
Lobe lift - intake9.6798 mm (0.38 in)
Lobe lift - exhaust9.6798 mm (0.38 in)
Allowable lobe lift loss0.062 mm (0.0024 in)
Camshaft journal bore inside diameter - 1st journal31.0375-31.0625 mm (1.221-1.222 in)
Camshaft journal bore inside diameter - intermediate journals25.9875-26.0125 mm (1.023-1.024 in)
Camshaft bearing outside diameter - 1st journal30.993-31.013 mm (1.2202-1.2209 in)
Camshaft bearing outside diameter - intermediate journals25.937-25.963 mm (1.021-1.022 in)
Camshaft journal-to-bearing clearance, 1st journal - service limit0.070 mm (0.0027 in) MAX
Camshaft journal-to-bearing clearance, intermediate journals - service limit0.0755 mm (0.0029 in) MAX
Runout0.040 mm (0.0015 in) MAX
End play - standard0.032-0.170 mm (0.0012-0.0066 in)
End play - service limit0.190 mm (0.00748 in) MAX
Cylinder Block
Cylinder bore diameter - grade 1
Cylinder bore diameter - grade 2
Cylinder bore diameter - grade 3
Cylinder bore maximum taper
Cylinder bore maximum out-of-round - limit
Cylinder bore maximum out-of-round - service limit
Main bearing bore inside diameter72.400-72.424 mm (2.8503-2.8513 in)
Head gasket surface flatness
Head gasket surface finish
Crankshaft
Main bearing journal diameter67.5 mm (2.657 in)
Main bearing journal maximum taper0.004 mm (0.00015 in)
Main bearing journal maximum out-of-round0.006 mm (0.00023 in)
Main bearing journal-to-cylinder block clearance
Connecting rod journal diameter55.983-56.003 mm (2.204-2.205 in)
Connecting rod journal maximum taper0.004 mm (0.00015 in)
Connecting rod journal maximum out-of-round0.006 mm (0.00023 in)
Crankshaft maximum end play0.101-0.291 mm (0.0039-0.0114 in)
Piston and Connecting Rod
Piston diameter - single grade92.476-92.490 mm (3.6407-3.6413 in)
Piston-to-cylinder bore clearance0.010 to 0.044 mm (0.0003-0.0017 in)
Piston ring end gap - compression (top, gauge diameter)0.15-0.25 mm (0.0059-0.0098 in)
Piston ring end gap - compression (bottom, gauge diameter)0.30-0.55 mm (0.0118-0.0216 in)
Piston ring end gap - oil ring (steel rail, gauge diameter)0.15-0.45 mm (0.0059-0.0177 in)
Piston ring groove width - compression (top)1.230-1.25 mm (0.0484-0.0492 in)
Piston ring groove width - compression (bottom)1.530-1.55 mm (0.0602-0.0610 in)
Piston ring groove width - oil ring2.53-2.55 mm (0.0996-0.1003 in)
Piston ring width - upper comp ring1.17-1.19 mm (0.0460-0.0468 in)
Piston ring width - lower comp ring1.47-1.49 mm (0.0578-0.0586 in)
Piston ring-to-groove clearance (upper and lower compression rings)0.040-0.080 mm (0.0015-0.0031 in)
Piston pin bore diameter23.002-23.006 mm (0.9055-0.9057 in)
Piston pin diameter22.998-23.000 mm (0.9054-0.9055 in)
Piston pin length55.975 mm (2.203 in)
Piston pin-to-piston fit0.002 to 0.008 mm (0.00007-0.0003 in)
Piston-to-connecting rod clearance2.7 mm (0.1 in)
Connecting rod-to-pin clearance - standard0.007-0.021 mm (0.0002-0.0008 in)
Connecting rod-to-pin clearance - service limit
Connecting rod pin bore diameter23.007-23.019 mm (0.905-0.906 in)
Connecting rod length (center-to-center)152.68 mm (6.01 in)
Connecting rod maximum allowed bend0.038 mm (0.0014 in)
Connecting rod maximum allowed twist0.050 mm (0.0019 in)
Connecting rod bearing bore diameter - grade 159.866-59.872 mm (2.3569-2.3571 in)
Connecting rod bearing bore diameter - grade 259.873-59.879 mm (2.3572-2.3574 in)
Connecting rod bearing bore diameter - grade 359.880-59.886 mm (2.3574-2.3577 in)
Connecting rod bearing-to-crankshaft clearance
Connecting rod side clearance (assembled to crank) - standard0.175-0.425 mm (0.0068-0.0167 in)
Connecting rod side clearance (assembled to crank) - service limit

GENERAL SPECIFICATIONS

a Refer to the appropriate procedure in this service information.

TORQUE SPECIFICATIONS

DescriptionNm
A/C compressor bolts and nut25
A/C compressor stud9
A/C pressure tube fitting nuts8
A/C tube bracket bolt8
Accessory drive belt tensioner bolts11
Battery cable power feed cable nut8
Block heater40
Camshaft bearing cap bolts a
Camshaft position (CMP) sensor bolts10
Camshaft sprocket bolts a
Catalytic converter bracket bolt55
Catalytic converter bracket nut40
Catalytic converter bracket-to-converter bolts20
Catalytic converter bracket-to-engine block bolts48
Catalytic converter nuts40
Catalytic converter-to-exhaust manifold studs25
Coolant pump bolts a
Crankshaft rear seal retainer plate bolts a
Crankshaft position (CKP) sensor bolt10
CKP sensor heat shield nuts10
Crankshaft pulley bolt a
Cylinder block drain plug (large)40
Cylinder block drain plug (small) b
Cylinder head bolts a
Cylinder head temperature (CHT) sensor10
Degas bottle bolts9
Engine front cover bolts a
Engine lifting eye bolts24
Engine mount brace bolt and nut20
Engine mount bracket bolts a
Engine mount studs18
Engine mount-to-engine nuts63
Engine mount-to-frame bolts90
Engine oil filter c
Engine oil pressure (EOP) switch18
Engine roll-restrictor heat shield nut11
Engine roll restrictor-to-subframe through bolt103
Engine roll restrictor-to-transaxle through bolt90
Exhaust manifold heat shield bolts14
Exhaust manifold nuts a
Exhaust manifold studs12
Exhaust pipe clamp40
Exhaust Y-pipe nuts40
Flexplate bolts80
Front halfshaft nut350
Fuel rail bolts10
Generator bolt and nut47
Generator B+ terminal nut6
Ground wire-to-body bolt10
Ground wire-to-engine bolt10
Halfshaft carrier bearing bracket bolts - all wheel drive (AWD)40
Halfshaft carrier bearing bracket bolts and stud bolt - front wheel drive (FWD)55
Heated oxygen sensor (HO2S)48
Heat shield nut and bolt10
Ignition coil-on-plug bolts7
Intermediate steering shaft bolt23
Knock sensor (KS) bolts20
Lower ball joint bolts55
Lower bumper nuts9
Lower intake manifold bolts b
Oil cooler bolts10
Oil filter adapter large bolt57
Oil filter adapter small bolt10
Oil pan bolts a
Oil pan drain plug27
Oil pan-to-transaxle bolts48
Oil pump bolts10
Oil pump screen and pickup tube bolts10
Power steering cooler bracket bolt9
Power steering pressure (PSP) tube bracket banjo bolt48
Power steering pump bolts24
Power steering reservoir nuts8
Power transfer unit (PTU)90
PTU bracket bolts70
Radio interference capacitor-to-cowl nut10
Radio interference capacitor-to-engine front cover nut10
Rear driveshaft-to-PTU flange bolts70
Spark plugs15
Stabilizer bar link nuts90
Starter bolt and stud bolt27
Starter B+ terminal nut12
Starter S-terminal nut5
Subframe bracket bolts90
Subframe nuts133
Thermostat housing bolts10
Tie-rod end nuts48
Timing chain guide bolts10
Timing chain tensioner bolts10
Torque converter-to-flexplate bolts55
Transaxle bracket bolts90
Transaxle bracket plate bolts90
Transaxle mount bracket nuts63
Transaxle mount through bolt and nut175
Transaxle-to-engine bolts48
Upper intake manifold bolts b
Upper intake manifold bracket-to-engine bolt10
Upper intake manifold-to-bracket bolt10
Valve cover bolts and stud bolts b
Variable camshaft timing (VCT) assembly bolts b
VCT housing bolts a
VCT solenoid bolts10
Wiring harness retainer bolt and stud bolt10

TORQUE SPECIFICATIONS

a Refer to the appropriate procedure in this service information.

b Tighten to 20 Nm (15 lb-ft) plus an additional 180 degrees.

c Tighten to 5 Nm (44 lb-in) plus an additional 180 degrees.

The 3.5L (4V) is a V-6 engine with the following features

  1. Dual overhead camshafts
  2. Four valves per cylinder
  3. Sequential multi-port fuel injection Sequential Multi-Port Fuel Injection (SFI)
  4. An aluminum lower intake manifold and a composite upper intake manifold
  5. Aluminum cylinder heads
  6. An aluminum, 60-degree V-cylinder block
  7. Timing chain driven coolant pump
  8. Variable Camshaft Timing (VCT) system
  9. The electronic ignition system with 6 ignition coils