Chrysler 300/300 Touring/300C, Dodge Magnum. Manual - part 1475

45. Fill and bleed power steering system (Refer to 19

-

STEERING/PUMP

-

STANDARD

PROCE-

DURE).

46. Evacuate and charge A/C system (Refer to 24 -

HEATING & AIR CONDITIONING/PLUMBING -
STANDARD PROCEDURE). (Refer to 24 - HEAT-
ING & AIR CONDITIONING/PLUMBING - STAN-
DARD PROCEDURE).

47. Start engine and check for leaks.

SPECIFICATIONS

2.7L ENGINE

DESCRIPTION

SPECIFICATION

Type

60° DOHC V-6 24-Valve

Compression Ratio

9.67:1

Lead Cylinder

#1 Right Bank

Firing Order

1-2-3-4-5-6

Metric

Standard

Displacement

2.7 Liters

167 Cubic Inches

Bore & Stroke

86.0 x 78.5 mm

3.386 in. x 3.091 in.

CYLINDER BLOCK

Description

Specification

Metric

Standard

Cylinder Bore Diameter

86.0 mm ±0.0076

3.3859 in. ±0.0003

Out of Round (Max.)

0.076 mm

0.003 in.

Taper (Max.)

0.051 mm

0.002 in.

PISTONS

Description

Specification

Metric

Standard

Material

Aluminum Alloy

Piston Diameter

85.983 mm ±0.019

3.3851 in. ±0.0017

Clearance at Size Location

- 0.0096 to +0.0436 mm

- 0.0003 to +0.0016 in.

Piston Weight

316-326 grams

11.1466-11.4994 oz.

Piston Ring Groove Diameter—No.

1

77.8-78 mm

3.063-3.070 in.

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ENGINE - 2.7L DOHC - SERVICE INFORMATION

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Description

Specification

Metric

Standard

Piston Ring Groove Diameter—No.

2

75.9-76.1 mm

2.988-2.996 in.

Piston Ring Groove Diameter—No.

3

76.5-76.7 mm

3.011-3.019 in.

PISTON PINS

Description

Specification

Metric

Standard

Type

Full Floating

Pin Diameter

21.997-22.000 mm

0.8661-0.8662 in.

Clearance in Piston

0.005-0.013 mm

0.0002-0.0005 in.

Clearance in Rod

0.007-0.018 mm

0.0003-0.0008 in.

PISTON RINGS

Description

Specification

Metric

Standard

Ring Gap-Top Compression Ring

0.20-0.36 mm

0.008-0.014 in.

Ring Gap-2nd Compression Ring

0.37-0.63 mm

0.0146-0.0249 in.

Ring Gap-Oil Control (Steel Rails)

0.25-0.76 mm

0.010-0.030 in.

PISTON RING SIDE CLEARANCE

Description

Specification

Metric

Standard

Compression Ring-Top

0.035-0.083 mm

0.0013-0.0032 in.

Compression Ring-Second

0.040-0.080 mm

0.0016-0.0031 in.

Oil Ring (Steel Rails)

0.058-0.204 mm

0.0022-0.0080 in.

PISTON RING WIDTH

Description

Specification

Metric

Standard

Compresion Rings-Top and Second

1.47-1.49 mm

0.0579-0.0587 in.

Oil Ring (Steel Rails

0.445-0.470 mm

0.0176-0.0186 in.

CONNECTING RODS

Description

Specification

Metric

Standard

Side Clearance

0.13-0.38 mm

0.0052-0.015 in.

Side Clearance (Max.)

0.4318 mm

0.017 in.

Piston Pin Bore Diameter

22.007-22.015 mm

0.8665-0.8668 in.

Bearing Bore Out of Round (Max.)

0.004 mm

0.0002 in.

Total Weight (Less Bearing)

529.9 ±7 grams

18.6917 ±0.247 oz.

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ENGINE - 2.7L DOHC - SERVICE INFORMATION

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CRANKSHAFT MAIN BEARING JOURNALS

Description

Specification

Metric

Standard

Diameter

63.49-63.51 mm

2.4997-2.5004 in.

Bearing Clearance

0.032-0.056 mm

0.0012-0.0022 in.

Bearing Clearance (Max) (Wear

Limit)

0.070 mm

0.0028 in.

Out of Round (Max)

0.008 mm

0.0003 in.

Diametrical Taper (Max)

0.010 mm

0.0004 in.

End Play

0.048-0.260 mm

0.002-0.010 in.

End Play (Max)

0.37 mm

0.015 in.

CONNECTING ROD JOURNALS

Description

Specification

Metric

Standard

Diameter

53.51-53.49 mm

2.1067-2.106 in.

Bearing Clearance

0.030-0.065 mm

0.0012-0.0026 in.

Bearing Clearance (Wear Limit)

0.075 mm

0.0030 in.

Out of Round (Max)

0.008 mm

0.0003 in.

Diametrical Taper (Max)

0.010 mm

0.0004 in.

CAMSHAFT

Description

Specification

Metric

Standard

Bore Diameter

24.050-24.071 mm

0.9469-0.09476 in.

Bearing Journal Diameter

24.000-23.981 mm

0.9449-0.9441 in.

Bearing Clearance

0.05-0.09 mm

0.0020-0.0035 in.

Bearing Clearance (Max.)

0.10 mm

0.004 in.

End Play

0.13-0.28 mm

0.0051-0.0110 in.

VALVE TIMING-INTAKE VALVES

Description

Specification

Opens (ATDC)

2°

Closes (ABDC)

44°

Duration

222°

VALVE TIMING-EXHAUST VALVES

Description

Specification

Opens (BBDC)

36°

Closes (ATDC)

4°

Duration

220°

Valve Overlap

2°

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ENGINE - 2.7L DOHC - SERVICE INFORMATION

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CYLINDER HEAD

Description

Specification

metric

Standard

Gasket Thickness (Compressed)

1.50 mm ±0.05

0.0591 in. ±0.002 in.

Valve Seat Angle

45°-45.5°

Valve Seat Runout (Max.)

0.05 mm

0.002 in.

Intake Valve Seat Width

1.00-1.5 mm

0.0394-0.0591 in.

Exhaust Valve Seat Width

1.25-1.75 mm

0.0492-0.0689 in.

Guide Bore Diameter (Std.)

5.975-6.00 mm

0.2353-0.2363 in.

Valve Guide Height*—Intake &

Exhaust

13.25-13.75 mm

0.5217-0.5414 in.

*Measured from cylinder head surface to top of guide

VALVES

Description

Specification

Metric

Standard

Face Angle

44.5°-45.5°

Head Diameter-Intake

33.67-33.93

1.3256-1.3358 in.

Head Diameter-Exhaust

27.67-27.93 mm

1.0894-1.1000 in.

Length-Intake (Overall)

107.89-108.39 mm

4.2476-4.2673 in.

Length-Exhaust (Overall)

105.88-106.38 mm

4.1685-4.1882 in.

Stem Diameter-Intake

5.934-5.952 mm

0.2337-0.2344 in.

Stem Diameter-Exhaust

5.906-5.924 mm

0.2326-0.2333 in.

Stem-to-Guide Clearance-Intake

(New)

0.023-0.066 mm

0.0009-0.0026 in.

Stem-to-Guide Clearance-Exhaust

(New)

0.051-0.094 mm

0.002-0.0037 in.

Stem-to-Guide Clearance-Intake

(Max., Rocking Method)

0.29 mm

0.0114 in.

Stem-to-Guide Clearance-Exhaust

(Max., Rocking Method)

0.370 mm

0.0146 in.

Valve Lift-Intake (Zero Lash)

9.0 mm

0.3543 in.

Valve Lift-Exhaust (Zero Lash)

8.0 mm

0.3150 in.

Valve Stem Tip Height-Intake

47.125 ±0.711 mm

1.8550 ±0.028 in.

Valve Stem Tip Height-Exhaust

47.187 ±0.65 mm

1.858 ±0.026 in.

VALVE SPRING

Description

Specification

Metric

Standard

Free Length—Intake & Exhaust

(Approx.)

45.63 mm

1.7965 in.

Spring Force—Intake & Exhaust

(Valve Closed)

249-284 N @ 38.0 mm

56.0-64.0 lbs. @ 1.4961 in.

Spring Force—Intake (Valve Open)

658-721 N @ 29.0 mm

147.9-162.1 lbs. @ 1.1417 in.

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