Chrysler PT Cruiser. Manual - part 685

ROCKER ARM/HYDRAULIC LASH ADJUSTER

DESCRIPTION

SPECIFICATIONS

Metric

Standard

Rocker Arm
Inside Diameter
(Shaft Bore)

19.00-19.02

mm

0.7480-0.7488

in.

Rocker Arm
Shaft Clearance

0.016-0.054

mm

0.0006-0.0021

in.

Lash Adjuster
Body Diameter

11.978-11.966

mm

0.4716-0.4711

in.

Plunger Travel
Minimum (Dry)

2.2 mm

0.087 in.

Dry Lash-Intake

1.50 mm

0.059 in.

Dry Lash-
Exhaust

1.46 mm

0.057 in.

Rocker Arm
Ratio (Camshaft
at Base Circle)

Intake

1.8 to 1

Exhaust

1.5 to 1

CYLINDER HEAD CAMSHAFT BEARING BORE

DESCRIPTION

SPECIFICATION

Metric

Standard

Bearing Bore
Diameter

25.359-25.380

mm

0.9984-0.9992

in.

CAMSHAFT

DESCRIPTION

SPECIFICATION

Metric

Standard

Journal
Diameter

25.290-25.309

mm

0.9957-0.9964

in.

Bearing
Clearance-
Diametrical

0.050-0.090

mm

0.0027-0.003 in.

Bearing
Clearance (Max.
allowable)

0.12 mm

0.0047 in.

End Play

0.05-0.39 mm

0.002-0.015 in.

Lift (Zero Lash)

Intake

8.55 mm

0.337 in.

Exhaust

8.00 mm

0.314 in.

Exhaust Valve
Timing*

DESCRIPTION

SPECIFICATION

Metric

Standard

Closes (BTDC)

-0.5°

Opens (BBDC)

37.7°

Duration

218.2°

Intake Valve
Timing*

Closes (ABDC)

37.7°

Opens (BTDC)

-4.4°

Duration

213.3°

Valve Overlap

-3.9°

*All readings in crankshaft degrees, at 0.5 mm (0.019

in.) of valve lift.

CYLINDER HEAD

DESCRIPTION

SPECIFICATION

Metric

Standard

Material

Cast Aluminum

Gasket
Thickness
(Compressed)

0.60-0.70 mm

0.023-0.0275 in.

VALVE SEAT

DESCRIPTION

SPECIFICATION

Metric

Standard

Angle

45°

Seat Diameter-
Intake

31.975-31.950

mm

1.258-1.257 in.

Seat Diameter-
Exhaust

25.20-25.175

mm

0.992-0.991 in.

Runout (Max.)

0.05 mm

0.002 in.

Valve Seat
Width-Intake
and Exhaust

0.90-1.30 mm

0.035-0.051 in.

Service Limit

1.50 mm

0.059 in.

9 - 20

ENGINE 1.6L SOHC

PT

ENGINE 1.6L SOHC (Continued)

VALVE GUIDE

DESCRIPTION

SPECIFICATION

Metric

standard

Inside Diameter

5.975-6.000

mm

0.235-0.236 in.

Guide Height
(spring seat to
guide tip)

13.25-13.75

mm

0.521-0.541 in.

VALVES

DESCRIPTION

SPECIFICATION

Metric

Standard

Face Angle
Intake and
Exhaust

45-45.5°

Head Diameter-
Intake

30.10-30.36

mm

1.185-1.195 in.

Head Diameter-
Exhaust

23.13-23.39

mm

0.910-0.920 in.

VALVE MARGIN

DESCRIPTION

SPECIFICATION

Metric

Standard

Intake

1.16-1.50 mm

0.0457-0.0591

in.

Service Limit

0.95 mm

1/32 in.

Exhaust

1.61-1.95 mm

0.063-0.077 in.

Service Limit

1.05 mm

3/64 in.

VALVE LENGTH

DESCRIPTION

SPECIFICATION

Metric

Standard

Intake

109.28-109.78

mm

4.302-4.322 in.

Exhaust

118.08-118.58

mm

4.649-4.669 in.

VALVE STEM TIP HEIGHT

DESCRIPTION

SPECIFICATION

Metric

Standard

Intake

49.16 mm

1.935 in.

Exhaust

49.19 mm

1.937 in.

VALVE STEM DIAMETER

DESCRIPTION

SPECIFICATION

Metric

Standard

Intake

5.934-5.952

mm

0.2337-0.2344

in.

Exhaust

5.906-5.924

mm

0.2326-0.2333

in.

VALVE STEM TO GUIDE CLEARANCE

DESCRIPTION

SPECIFICATION

Metric

Standard

Intake

0.023-0.066

mm

0.0009-0.0026

in.

Max. Allowable

0.076 mm

0.003 in.

Service Limit

0.25 mm

0.010 in.

Exhaust

0.051-0.094

mm

0.002-0.0037 in.

Max. Allowable

0.101 mm

0.004 in.

Service Limit

0.25 mm

0.010 in.

VALVE SPRINGS

DESCRIPTION

SPECIFICATION

Metric

Standard

Free Length
(Approx.)

51.3 mm

2.02 in.

Nominal Force
(Valve Closed)

286-319 N @

43.0 mm

64.3-71.71 lbs.

@ 1.6 in.

Nominal Force
(Valve Open)

759-833 N @

34.45 mm

170.63-187.27

lbs. @ 1.28 in.

Installed Height

43.0 mm

1.69 in.

PT

ENGINE 1.6L SOHC

9 - 21

ENGINE 1.6L SOHC (Continued)

OIL PUMP

DESCRIPTION

SPECIFICATION

Metric

Standard

Relief Valve
Opening
Pressure

413.69 kPa

60 psi

OIL PRESSURE

DESCRIPTION

SPECIFICATION

Metric

Standard

(NOTE: At Normal Operating Temperatures)

Pressure @
Curb Idle
Speed*

25 kPa

4 psi

Pressure @
3000 RPM

170-550 kPa

25-80 psi

*If pressure is ZERO at idle, DO NOT run engine at

3000 RPM.

TORQUE

DESCRIPTION

N·m

Ft.

Lbs.

In.

Lbs.

Camshaft Position Sensor

10

–

85

Crankshaft Position
Sensor

10

–

85

Camshaft Sprocket—Bolt

115

85

–

Rocker Shaft/Camshaft
Bearing Cap

25

–

225

Timing Chain Cover

12

–

105

Timing Chain Guide

28

–

250

Timing Chain Tensioner
Plug

62

46

–

Connecting Rod
Cap—Bolts

26 +

1

⁄

4

turn

19

+

1

⁄

4

turn

–

Crankshaft Main Bearing
Cap/Bed Plate

Bedplate Bolts

30

22

–

Main Bearing Cap Bolts

61

45

–

Crankshaft Damper—Bolt

115

85

–

Cylinder Head—Bolts

(Refer to 9 - ENGINE/

CYLINDER HEAD -

INSTALLATION)

Cylinder Head Cover

12

–

105

DESCRIPTION

N·m

Ft.

Lbs.

In.

Lbs.

Right Engine Mount
Bracket

M12—Fasteners

118

87

–

M10—Fasteners

68

50

–

Exhaust Manifold Heat
Shield

28

–

250

Exhaust Manifold to
Cylinder Head Bolts

23

–

200

Intake Manifold - Upper

12

–

105

Intake Manifold - Lower

26

–

230

Intake Manifold Support
Bracket

M6—Fasteners

19

–

165

M8—Fasteners

28

–

250

Oil Filter Cartridge Cap

25

18

–

Oil Filter Cartridge
Housing

28

–

250

Oil Pan Bolts

31

–

275

Oil Pan Drain Plug

27

20

–

Oil Pump Pick-up Tube
Bolt

12

–

105

9 - 22

ENGINE 1.6L SOHC

PT

ENGINE 1.6L SOHC (Continued)

SPECIAL TOOLS

1.6L SOHC ENGINE

Puller 1026

Crankshaft Damper Removal Insert 6827A

Crankshaft Damper/Sprocket Installer 8385

Puller 5048

Puller Adaptor 8539

Crankshaft Sprocket Installer 8386

Puller, Slide Hammer C-3752

Spark Plug Tube Remover 8819

PT

ENGINE 1.6L SOHC

9 - 23

ENGINE 1.6L SOHC (Continued)