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4.0L ENGINE - SPECIFICATIONS Chrysler Town & Country V

4.0l Engine - Service Information

4.0L ENGINE - SPECIFICATIONS

DESCRIPTIONSPECIFICATION
Type60° SOHC V-6 24-Valve
Displacement4.0L
Firing Order1-2-3-4-5-6
Compression Ratio10.2:1
Lead Cylinder#1 Right Bank
MetricStandard
Displacement4.0L Liters244 cu. in.
Bore96.0 mm3.780 in.
Stroke91.0 mm3.583 in.
DESCRIPTIONSPECIFICATIONS
MetricStandard
Cylinder Bore Diameter96.0 mm ± 0.00763.780 in. ± 0.0003 in.
Out-of-Round (Max.)0.006 mm0.00023 in.
Taper (Max.)0.051 mm0.002 in.

CYLINDER BLOCK

DESCRIPTIONSPECIFICATIONS
MetricStandard
Material TypeAluminum (Full Floating Pins)
Piston Diameter95.98 mm ± 0.019 mm3.7788 in. ± 0.0008 in.
Clearance at Size Location0.007 to +0.047 mm0.003 to +0.0018 in.
Piston Weight - A374.4-379.4 grams13.21-13.38 oz.
Piston Weight - B379.5-384.4 grams13.38-13.56 oz.
Piston Ring Groove Diameter #187.4-87.6 mm3.441-3.449 in.
Piston Ring Groove Diameter #286.3-86.5 mm3.397-3.4055 in.
Piston Ring Groove Diameter #386.5-86.7 mm3.406-3.413 in.

PISTONS

DESCRIPTIONSPECIFICATIONS
MetricStandard
TypeFull Floating
Clearance in Piston0.005-0.015 mm0.002-0.0006 in.
Clearance in Rod0.007-0.018 mm0.0003-0.007 in.
Diameter21.997-22.000 mm0.8662-0.8660 in.

PISTON PINS

DESCRIPTIONSPECIFICATIONS
MetricStandard
Ring Gap-Top Compression Ring0.20-0.36 mm0.008-0.014 in.
Ring Gap-2nd Compression Ring (Micro-Napier0.20-0.40 mm0.0078-0.0157 in.
Ring Gap-Oil Control (Steel Rails)0.25-0.76 mm0.010-0.030 in.

PISTON RINGS

DESCRIPTIONSPECIFICATIONS
MetricStandard
Top and Second Compression Ring0.04-0.08 mm0.0016-0.0031 in.
Oil Ring (Steel Rails0.038-0.184 mm0.0015-0.0073 in.

PISTON RING SIDE CLEARANCE

DESCRIPTIONSPECIFICATIONS
MetricStandard
Top Compression Ring1.17-1.20 mm0.0461-0.0472 in.
2nd Compression Ring (Micro-Napier)1.47-1.49 mm0.058-0.059 in.
Oil Control (Steel Rails)0.435-0.490 mm0.0171-0.0193 in.

PISTON RING WIDTH

DESCRIPTIONSPECIFICATIONS
MetricStandard
Piston Pin Bore Diameter22.005-22.012 mm0.8663-0.8666 in.
Side Clearance (MAX)0.39 mm0.0153 in.
Total Weight (Less Bearing)693 grams24.445 oz.
Connecting Rod Bore Diameter60.994-61.006 mm2.4013-2.4018 in.

CONNECTING RODS

DESCRIPTIONSPECIFICATIONS
MetricStandard
Main Journal Diameter68.987-69.013 mm2.717-2.716 in.
Main Bearing Diametrical Clearance0.032-0.062 mm0.0013-0.0024 in.
Bearing Clearance (Wear Limit)0.070 mm0.0027 in.
DIA Out-of-Round (MAX)0.007 mm0.0003 in.
Diametrical Taper (MAX)0.006 mm0.00025 in.
End Play0.048-0.260 mm0.002-0.010 in.
End Play (MAX)0.330 mm0.013 in.

CRANKSHAFT MAIN BEARING JOURNALS

DESCRIPTIONSPECIFICATIONS
MetricStandard
Rod Journal Diameter57.982-58.002 mm2.2828-2.2835 in.
Bearing Diametrical Clearance0.024-0.054 mm0.0009-0.0021 in.
Bearing Clearance (Wear Limit)0.062 mm0.0024 in.
Out-of-Round (MAX)0.007 mm0.0003 in.
Diametrical Taper (MAX)0.006 mm0.00025 in.
Polish Microfinish0.13 mm Ra max0.000005 in. Ra max

CONNECTING ROD JOURNALS

DESCRIPTIONSPECIFICATIONS
MetricStandard
Bore Diameter43.038-43.059 mm1.6944-1.6953 in.
Diametrical Clearance0.078-0.12 mm0.003-0.0047 in.
Diametrical Clearance (MAX)0.15 mm0.0059 in.
Bearing Journal Diameter42.939-42.960 mm1.6905-1.6913 in.
End Play0.05-0.51 mm0.002-0.020 in.

CAMSHAFT

DESCRIPTIONSPECIFICATIONS (CRANKSHAFT DEGREES)
Opens4° BTDC (A) - 1° ATDC (B)
Closes (ABDC)60° (A) - 65° (B)
Duration244°
Centerline118° (A) - 123° (B)

VALVE TIMING-INTAKE VALVE

DESCRIPTIONSPECIFICATIONS (CRANKSHAFT DEGREES)
Opens (BBDC)61°
Closes (ATDC)21°
Duration262°
Centerline110°

VALVE TIMING-EXHAUST VALVE

DESCRIPTIONSPECIFICATIONS
MetricStandard
Gasket Thickness (Compressed)1.50 mm0.059 in.
Valve Seat Angle (From Horizontal)45-45.5°
Valve Seat Runout (MAX)0.051 mm0.002 in.
Valve Seat Width-Intake0.8-1.2 mm0.031-0.067 in.
Valve Seat Width-Exhaust1.3-1.7 mm0.05-0.067 in.
Guide Bore Diameter (Std.)6.975-7.00 mm0.2746-0.2756 in.
Valve Guide Height *9.5-10.5 mm0.3740-0.4134 in.
* Measured from cylinder head surface

CYLINDER HEAD

DESCRIPTIONSPECIFICATIONS
MetricStandard
Face Angle (From Horizontal)44.5°-45°
Head Diameter-Intake36.37-36.63 mm1.4319-14421 in.
Head Diameter-Exhaust28.87-29.13 mm1.1366-1.1469 in.
Length-Intake (Overall)114.41-114.99 mm4.5043-4.5272 in.
Length-Exhaust (Overall)126.17-126.75 mm4.9673-4.9902 in.
Stem Diameter-Intake6.935-6.953 mm0.2730-0.2737 in.
Stem Diameter-Exhaust6.906-6.924 mm0.2719-0.2726 in.
Stem-to-Guide Clearance-Intake0.022-0.065 mm0.0009-0.0026 in.
Stem-to-Guide Clearance-Intake (MAX.) Rocking Method0.29 mm0.0114 in.
Stem-to-Guide Clearance-Exhaust0.051-0.094 mm0.002-0.0037 in.
Stem-to-Guide Clearance-Intake (MAX.) Rocking Method0.370 mm0.0146 in.
Valve Lift-Intake (Zero Lash)9.00 mm0.3543 in.
Valve Lift-Exhaust (Zero Lash)7.00 mm0.2756 in.
Valve Margin-Intake0.835-1.165 mm0.0329-0.0459 in.
Valve Margin-Exhaust1.44-1.77 mm0.0567-0.0697 in.
Valve Stem Tip Height-Intake42.366-43.655 mm1.6680-1.7187 in.
Valve Stem Tip Height-Exhaust45.205-46.486 mm1.780-1.8305 in.

VALVES

DESCRIPTIONSPECIFICATIONS
MetricStandard
Free Length-Intake (Approx.)43.6 mm1.7165 in.
Free Length-Exhaust- (Approx.)47.9 mm1.8858 in.
Spring Force-Intake (Valve Closed)309-358 N @ 38.0 mm69.5-80.5 lbs. @ 1.4961 in.
Spring Force-Exhaust (Valve Closed)355.4-400.8 N @ 38.0 mm79.9-90.1 lbs. @ 1.496 in.
Spring Force-Exhaust (Valve Open)646.5-714.5 N @ 31.0 mm145.3-160.7 lbs. @ 1.2205 in.
Spring Force-Intake (Valve Open)871.1-943.7 N @ 29.0 mm195.8-212.2 lbs. @ 1.1417 in.
Number of Coils-Intake6.5
Number of Coils-Exhaust7.5
Color of Spring (Top of Coils)-Intake-Right Hand Coil DirectionGREY
Color of Spring (Top of Coils)-Exhaust-Left Hand Coil DirectionBLUE
Wire Diameter-Intake4.29-4.35 mm0.1547-0.1570 in.
Wire Diameter-Exhaust3.93-3.99 mm0.1547-0.1570 in.
Spring Installed Height *38.0 mm1.4961 in.
* Spring Seat to Bottom Retainer-Intake and Exhaust

VALVE SPRINGS

DESCRIPTIONSPECIFICATIONS
MetricStandard
Clearance Over Rotors0.077 mm0.003 in.
Cover-Out-of-Flat (MAX.)0.025 mm0.001 in.
Inner and Outer Rotor Thickness (MIN.)14.300 mm0.563 in.
Inner and Outer Rotor Thickness (MAX.)14.325 mm0.564 in.
Clearance between Outer Rotor and Body0.39 mm0.015 in.
Outer Rotor Diameter (MIN.)79.997 mm3.149 in.
Outer Rotor Diameter (MAX.)80.074 mm3.153 in.
Tip Clearance Between Rotors (MAX.)0.20 mm0.008 in.

OIL PUMP

DESCRIPTIONSPECIFICATIONS
NOTE: At Normal Operating Temperatures
Pressure @ Curb Idle Speed *34.47 kPa Min. (5 PSI MIN.)
Pressure @ 3000 RPM300-724 kPa (45-105 PSI.)
*CAUTION: If pressure is zero at curb idle, DO NOT run engine at 3000 RPM.

OIL PRESSURE