Dodge 1997 Ram 1500, Owner'S Manual

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CYLINDER HEAD
DESCRIPTION SPECIFICATION
Gasket Thickness
(Compressed)
0.7 mm (0.0276 in.)
Valve Seat Angle 44.5° - 45.0°
Valve Seat Runout (MAX) 0.051 mm (0.002 in.)
Valve Seat Width
Intake 1.75 - 2.36 mm
(0.0698 - 0.0928 in.)
Exhaust 1.71 - 2.32 mm
(0.0673 - 0.0911 in.)
Guide Bore Diameter
(Std.)
6.975 - 7.00 mm
(0.2747 - 0.2756 in.)
Cylinder Head Warpage
(Flatness)
0.0508 mm (0.002 in.)
OIL PUMP
DESCRIPTION SPECIFICATION
Clearance Over
Rotors/End Face (MAX)
0.095 mm (0.0038 in.)
Cover Out - of -Flat
(MAX)
0.025 mm (0.001 in.)
Inner and Outer Rotor
Thickness
12.02 mm (0.4731 in.)
Outer Rotor to pocket
(Diametral) clearance
(MAX)
.235 mm (.0093 in.)
Outer Rotor Diameter
(MIN)
85.925 mm (0.400 in.)
Tip Clearance Between
Rotors (MAX)
0.150 mm (0.006 in.)
OIL PRESSURE
SPECIFICATION SPECIFICATION
At Curb Idle Speed
(MIN)*
48 kPa (7 psi)
@ 3000 rpm 240 - 725 kPa (35 - 105
psi)
* CAUTION: If pressure is zero at curb idle, DO
NOT run engine at 3000 rpm.
TORQUE
DESCRIPTION N·m Ft. In.
Lbs. Lbs.
Camshaft
Non - Oiled Sprocket Bolt 122 90 —
Bearing Cap Bolts 11 — 100
Timing Chain Cover—Bolts 58 43 —
Connecting Rod Cap—Bolts 27 20 —
PLUS 90° TURN
Bed Plate—Bolts Refer to Procedure
Crankshaft Damper—Bolt 175 130 —
Cylinder Head—Bolts
M11 Bolts 81 60 —
M8 Bolts 26 19 —
Cylinder Head Cover—Bolts 12 — 105
Exhaust Manifold—Bolts 25 18 —
Exhaust Manifold Heat
Shield—Nuts 8 — 72
Then loosen 45°
Flexplate—Bolts 60 45 —
Engine Mount Bracket to
Block—Bolts 61 45 —
Rear Mount to
Transmission—Bolts 46 34 —
Generator Mounting—Bolts
M10 Bolts 54 40 —
M8 Bolts 28 — 250
Intake Manifold—Bolts 12 — 105
Refer to Procedure
for
Tightening Sequence
Oil Pan—Bolts 15 — 130
Oil Pan—Drain Plug 34 25 —
Oil Pump—Bolts 28 — 250
Oil Pump Cover—Bolts 12 — 105
Oil Pickup Tube—Bolt and
Nut 28 — 250
Oil Dipstick Tube to Engine
Block—Bolt 15 — 130
Oil Fill Tube—Bolts 12 — 105
Timing Chain Guide—Bolts 28 — 250
Timing Chain Tensioner
Arm—Special
9 - 102 ENGINE - 4.7L
DR
ENGINE - 4.7L (Continued)