Dodge dakota 2002 Service Manual page 1263

9 - 14 ENGINE - 3.7L
ENGINE - 3.7L (Continued)
DESCRIPTION
Length (Overall)
Intake
Exhaust
Stem Diameter
Intake
Exhaust
Stem - to - Guide
Clearance
Intake
Exhaust
Max. Allowable Stem -
to -
Guide Clearance
(Rocking
Method)
Intake
Exhaust
Valve Lift (Zero Lash)
Intake
Exhaust
VALVE SPRING
Free Length (Approx)
Intake
Exhaust
Spring Force (Valve
Closed)
Intake
Exhaust
SPECIFICATION
113.45 - 114.21 mm
(4.4666 - 4.4965)
114.92 - 115.68 mm
(4.5244 - 4.5543 in.)
6.931 - 6.957 mm
(0.2729 - 0.2739 in.)
6.902 - 6.928 mm
(0.2717 - 0.2728 in.)
0.018 - 0.069 mm
(0.0008 - 0.0028 in.)
0.047 - 0.098 mm
(0.0019 - 0.0039 in.)
0.069 mm (0.0028 in.)
0.098 mm (0.0039 in.)
12.00 mm (0.472 in.)
10.90 mm (0.4292 in.)
48.92 mm (1.9260 in.)
49.81 mm (1.9610 in.)
361.0 - 390.0 N @ 40.12
mm
(81.15 - 87.67 lbs. @
1.5795 in.)
390.0 - 430.0 N @ 40.12
mm
(87.67 - 96.66 lbs. @
1.5795 in.)
DESCRIPTION
Spring Force (Valve
Open)
Intake
Exhaust
Number of Coils
Intake
Exhaust
Wire Diameter
Intake and Exhaust
Installed Height (Spring
Seat to Bottom of
Retainer)
Nominal
Intake
Exhaust
CYLINDER HEAD
Gasket Thickness
(Compressed)
Valve Seat Angle
Valve Seat Runout (MAX)
Valve Seat Width
Intake
Exhaust
Guide Bore Diameter
(Std.)
Cylinder Head Warpage
(Flatness)
OIL PUMP
Clearance Over
Rotors/End Face (MAX)
DR
SPECIFICATION
984.0 - 1040.0 N @
28.12 mm
221.2 - 233.8 lbs. @
1.107 in.)
965.0 - 1055.0 N @
28.12 mm
216.9 - 237.1 lbs. @
1.107 in.)
7.30
7.45
4.77 × 3.80mm
(0.1878 - 0.1496 in.)
40.12 mm (1.579 in.)
40.12 mm (1.579 in.)
0.7 mm (0.0276 in.)
44.5° - 45.0°
0.051 mm (0.002 in.)
1.75 - 2.36 mm
(0.0698 - 0.0928 in.)
1.71 - 2.32 mm
(0.0673 - 0.0911 in.)
6.975 - 7.00 mm
(0.2747 - 0.2756 in.)
0.0508 mm (0.002 in.)
0.095 mm
(0.0038 in.)