Chrysler New Yorker. Manual — part 244
ENGINE HYDRO-MOUNT INSULATORS
Engine hydro-mounts may show surface cracks this
will not effect performance and mount should not be
replaced. Only replace the engine hydro-mounts
when leaking fluid:
• Drive shaft distress: Refer to Driveshafts in Sus-
pension, Group 2.
• Any front end structural damage (after repair).
• Insulator replacement.
TIMING BELT INSPECTION—IN VEHICLE
(1) Remove the accessory drive belts. Refer to
Group 7, Cooling System for procedure.
(2) Remove timing belt covers. Refer to procedure
in this section.
(3) Inspect both sides of the timing belt. Replace
belt if any of the following conditions exist (Fig. 120):
(a) Hardening of back rubber back side is glossy
without resilience and leaves no indent when
pressed with fingernail.
(b) Cracks on rubber back.
(c) Cracks or peeling of canvas.
(d) Cracks on rib root.
(e) Cracks on belt sides.
(f) Missing teeth.
(g) Abnormal wear of belt sides. The sides are
normal if they are sharp as if cut by a knife.
(h) Vehicle mileage at component maintenance
requirement. Refer to Group 0, Lubrication and
Maintenance.
(4) If none of the above conditions are seen on the
belt, the belt cover can be installed.
NOTE: If belt requires replacing, ensure the proper
length belt is used.
SPECIFICATIONS
3.5L ENGINE
CYLINDER BLOCK
Cylinder Bore Diameter . . 96.0 mm
6 0.0076 mm
(3.780 in.
6 0.0003 in.)
Out of Round (Max) . . . . . . . 0.076 mm (0.003 in.)
Taper (Max) . . . . . . . . . . . . . 0.051 mm (0.002 in.)
PISTONS
Type Material . . . . . . . . . . . . . . . . . . . Aluminum
(Full Floating Piston Pin)
Clearance at Size Location . . . . . . . . –0.007mm to
+0.047 mm (–0.0003 in. to +0.0018 in.)
PISTON WEIGHT
A Size . . . . . 438 to 443 grams (15.45 to 15.62 oz.)
B Size . . . . . 433 to 438 grams (15.27 to 15.45 oz.)
PISTON RING GROOVE DIAMETER
No. 1 . . . . . . . . 87.4 – 87.6 mm (3.441 – 3.449 in.)
No. 2 . . . . . . . 86.3 – 86.5 mm (3.397 – 3.4055 in.)
No. 3 . . . . . . . . 85.8 – 86.0 mm (3.378 – 3.385 in.)
CYLINDER BORE AND PISTON SPECIFICATION CHART
ENGINE
STANDARD
CYLINDER BORE
MAXIMUM
OUT-OF-ROUND
MAXIMUM TAPER
STANDARD
PISTON SIZE
3.5L
96.0 mm (3.780 in.)
0.076 mm
(0.003 in.)
0.051 mm
(0.002 in.)
95.980
6
0.019mm
(3.7788
6
0.0008 in.)
Piston to Bore Clearance: -0.007 to +0.047 mm (-0.0003 to 0.0018 in.) Measurement taken at Piston Size
location.
Fig. 120 Timing Belt Inspection
300M
3.5L ENGINE
9 - 59
CLEANING AND INSPECTION (Continued)
PISTON PINS
Type . . . . . . . . . . . . . . . . . . . . . . . . . Full Floating
Clearance In Piston . . . . . . . 0.0076 – 0.0183 mm
(0.0003 – 0.0008 in)
Clearance In rod . . . . . . . . . . . . 0.007 – 0.018 mm
(0.0003 – 0.007 in.)
Diameter . . . . . . . . . . . . . . . . 23.997 – 24.000 mm
(0.9448 – 0.9449 in.)
PISTON RINGS
Ring Gap Top
Compression Ring . . . . . . . . . . . . 0.20 – 0.36 mm
(0.008 – 0.014 in.)
Ring Gap 2nd
Compression Ring . . . . . . . . . . . . 0.23 – 0.50 mm
(0.0091 – 0.0197 in.)
Ring Gap Oil Control
(Steel Rails) . . . . . . . . . . . . . . . . . 0.25 – 0.76 mm
(0.010 – 0.030 in.)
RING GROOVE CLEARANCE
Top and Second
Compression Ring . . . . . . . . . . 0.035 – 0.085 mm
(0.0014 – 0.0034 in.)
Oil Ring (Steel Rails) . . . . . . . . 0.038 – 0.184 mm
(0.0015 – 0.0073 in.)
RING WIDTH
Top Compression Ring . . . . . . . . . 1.17 – 1.19 mm
(0.0461 – 0.0469 in.)
2nd Compression Ring . . . . . . . . . 1.47 – 1.49 mm
(0.058 – 0.059 in.)
Oil Ring (Steel Rails) . . . . . . . . 0.445 – 0.470 mm
(0.0176 – 0.0186 in.)
CONNECTING RODS
Bearing Clearance . . . . . . . . . . 0.019 – 0.087 mm
(0.0007 – 0.0034 in.)
Piston Pin Bore
Diameter . . . . . . . . . . . . . 24.0076 – 24.0153 mm
(0.9452 – 0.9455 in.)
Side Clearance (Max.) . . . . . 0.40 mm (0.0157 in.)
Total Weight (Less Bearing) . . . . . . . . . 647 grams
(22.8223 oz.)
CRANKSHAFT MAIN BEARING JOURNALS
Diameter . . . . . . . . . . . . . . . . 63.987 – 64.013 mm
(2.519 to 2.520 in.)
Main Bearing Diametrical
Clearance No. 1 – 4 . . . . . . . . . 0.011 – 0.077 mm
(0.0007 – 0.0030 in.)
Max. Allowable . . . . . . . . . . 0.087 mm (0.0034 in.)
Out of Round (Max.) . . . . . 0.003 mm (0.00012 in.)
Taper (Max.) . . . . . . . . . . 0.0057 mm (0.00025 in.)
End Play . . . . . 0.10 – 0.30 mm (0.004 – 0.012 in.)
Max. Allowable . . . . . . . . . . . . 0.43 mm (0.017 in.)
CONNECTING ROD JOURNALS
Diameter . . . . . . . . . . . . . . . . 57.979 – 58.005 mm
(2.283 – 2.284 in.)
Bearing Diametrical
Clearance . . . . . . . . . . . . . . . . . 0.019 – 0.087 mm
(0.00075 – 0.0034 in.)
Out Of Round (Max.) . . . . . 0.003 mm (0.0001 in.)
CAMSHAFT
Bore Diameter No. 1 – 4 . . . . 43.038 – 43.059 mm
(1.6944 – 1.6952 in.)
Bearing Journal Diameter
No. 1 – 4 . . . . . . . . . . . . . . . 42.939 – 42.960 mm
(1.6905 – 1.6913 in.)
Diametrical Clearance (New) . . . 0.078 – 0.12 mm
(0.003 – 0.0047 in.)
Max. Allowable . . . . . . . . . . . 0.15 mm (0.0059 in.)
End Play . . . . . 0.11 – 0.35 mm (0.004 – 0.014 in.)
VALVE TIMING INTAKE VALVE
Opens (ATDC) . . . . . . . . . . . . . . . . . . . . . . . . . . 2°
Closes (ABDC) . . . . . . . . . . . . . . . . . . . . . . . . . 64°
Duration . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242°
VALVE TIMING EXHAUST VALVE
Opens (BBDC) . . . . . . . . . . . . . . . . . . . . . . . . . 58°
Closes (ATDC) . . . . . . . . . . . . . . . . . . . . . . . . . 14°
Duration . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252°
Valve Overlap . . . . . . . . . . . . . . . . . . . . . . . . . 12°
CYLINDER HEAD
Gasket Thickness (Compressed) . . . . . . . 1.78 mm
(0.070 in.)
Valve Seat Angle . . . . . . . . . . . . . . . . 45 – 45 1/2°
Valve Seat Runout (Max) . . . 0.051 mm (0.002 in.)
Intake Valve Seat Width . . . . . . . 0.75 – 1.25 mm
(0.0295 – 0.0492 in.)
Exhaust Valve Seat Width . . . . . . 1.25 – 1.75 mm
(0.0492 – 0.0689 in.)
Guide Bore Diameter (Std.) . . . . 6.975 – 7.00 mm
(0.2746 – 0.2756 in.)
Valve Guide Height* . . . . . . . . . . . 9.5 – 10.5 mm
(0.3740 – 0.4134 in.)
*Measured from cylinder head surface.
VALVES
Face Angle . . . . . . . . . . . . . . . . . . . . . 44 1/2 – 45°
Head Diameter Intake . . . . . . . 36.37 – 36.63 mm
(1.4319 – 1.4421 in.)
Head Diameter Exhaust . . . . . . 28.87 – 29.13 mm
(1.1366 – 1.1469 in.)
Length Intake (Overall) . . . . 114.41 – 114.99 mm
(4.5043 – 4.5272)
Length Exhaust (Overall) . . . 125.67 – 126.25 mm
(4.9476 – 4.9705 in.)
Stem Diameter Intake . . . . . . . 6.935 – 6.953 mm
(0.2730 – 0.2737 in.)
Stem Diameter Exhaust . . . . . . 6.906 – 6.924 mm
(0.2719 – 0.2726 in.)
9 - 60
3.5L ENGINE
300M
SPECIFICATIONS (Continued)
Stem-to-Guide Clearance
Intake (New) . . . . . . . . . . . . . . . 0.022 – 0.065 in.
(0.0009 – 0.00256 in.)
Stem-to-Guide Clearance
Exhaust (New) . . . . . . . . . . . . . 0.051 – 0.094 mm
(0.002 - 0.0037 in.)
Max. Allowable (Rocking Method)
Intake . . . . . . . . . . . . . . . . . 0.29 mm (0.0114 in.)
Max. Allowable (Rocking Method)
Exhaust . . . . . . . . . . . . . . . 0.370 mm (0.0146 in.)
Valve Lift (Zero Lash) Intake . . . . . . . . . 8.55 mm
(0.3367 in.)
Valve Lift (Zero Lash) Exhaust . . . . . . . . 6.53 mm
(0.2571 in.)
Valve Stem Tip Height
Intake . . . . . . . . . . . . . . . . . 42.366 – 43.655 mm
(1.6680 – 1.7187 in.)
Valve Stem Tip Height
Exhaust . . . . . . . . . . . . . . . . 44.705 – 45.986 mm
(1.760 – 1.8105 in.)
VALVE SPRING
Free Length (Approx.) Intake . . . . . . . 43.675 mm
(1.7195 in.)
Free Length (Approx.) Exhaust . . . . . . 44.319 mm
(1.7448 in.)
Spring Force (Valve Closed)
Intake . . . . . . . . . . . . . . . 309 – 358 N @ 38.0 mm
(69.5 – 80.5 lbs. @ 1.4961 in.)
Spring Force (Valve Closed)
Exhaust . . . . . . . . . . . . . 249 – 285 N @ 38.0 mm
(56.0 – 64.0 lbs. @ 1.4961 in.)
Spring Force (Valve Open)
Intake . . . . . . . . . . . . . . 836 – 907 N @ 29.85mm
(188.0 – 204 lbs. @ 1.1594 in.)
Spring Force (Valve Open)
Exhaust . . . . . . . . . . . . 552 – 605 N @ 31.47 mm
(124 – 136 lbs. @ 1.239 in.)
Number of Coils Intake . . . . . . . . . . . . . . . . . 6.86
Number of Coils Exhaust . . . . . . . . . . . . . . . . 7.66
Color of Spring (Top of Coils) . . . . . . . . . . . . . . . .
Intake (Right Hand Coil Direction) . . . . . . Orange
Exhaust (Left Hand Coil Direction) . . . . . . Green
Wire Diameter Intake . . . . . . . . . 4.29 – 4.34 mm
(0.1689 – 0.1709 in.)
Wire Diameter Exhaust . . . . . . . . 4.16 – 4.22 mm
(0.1638 – 0.1661 in.)
Installed Height (Spring Seat to Bottom of Retainer)
Intake and Exhaust . . . . . . . 38.0 mm (1.4961 in.)
OIL PUMP
Clearance Over Rotors (Max.) . . . . . . . . 0.077 mm
(0.003 in.)
Cover Out-of-Flat (Max.) . . . 0.025 mm (0.001 in.)
Inner and Outer Rotor
Thickness (Min.) . . . . . . . . . . . . . . . . . 14.299 mm
(0.563 in.)
Outer Rotor Clearance (Max.) . . . . . . . . . 0.19 mm
(0.007 in.)
Diameter (Min.) . . . . . . . . . 79.997 mm (3.149 in.)
Tip Clearance Between Rotors (Max.) . . . 0.02 mm
(0.0007 in.)
OIL PRESSURE
At Curb Idle Speed * . . . . . . . . . 34.47 kPa (5 psi)
At 3000 rpm . . . . . 170 – 724 kPa (25 – 105 psi) *
*CAUTION: If pressure is zero at curb idle, DO NOT
run engine at 3000 rpm.
TORQUE CHART
DESCRIPTION
TORQUE
A/C Compressor Bracket to Engine Block
Bolts . . . . . . . . . . . . . . . . . . . . 54 N·m (40 ft. lbs.)
A/C Compressor to Bracket
Bolts . . . . . . . . . . . . . . . . . . . 28 N·m (250 in. lbs.)
Camshaft Sprocket Bolt
Right Side . . . . 102 N·m (75 ft. lbs.) plus 1/4 turn
Left Side . . . . . 115 N·m (85 ft. lbs.) Plus 1/4 turn
Camshaft Thrust Plate (Camshaft Cover)
Bolts . . . . . . . . . . . . . . . . . . . 28 N·m (250 in. lbs.)
Connecting Rod Cap
Nuts . . . . . . . . . 54 N·m (40 ft. lbs.) Plus 1/4 turn
Crankshaft Main Bearing Cap
Inside Main Cap Bolts . . . . . . 20 N·m (15 ft. lbs.)
+ 1/4 turn
Outside Main (Windage Tray) Bolts . . . . . 27 N·m
(20 ft. lbs.) + 1/4 turn
Tie (Horizontal) Bolts . . . . . . 28 N·m (250 in. lbs.)
Crankshaft Damper
Bolt . . . . . . . . . . . . . . . . . . . . . 95 N·m (70 ft. lbs.)
Cylinder Head Bolts
Step 1 . . . . . . . . . . . . . . . . . . . 61 N·m (45 ft. lbs.)
Step 2 . . . . . . . . . . . . . . . . . . . 88 N·m (65 ft. lbs.)
Step 3 . . . . . . . . . . . . . . . . . . . 88 N·m (65 ft. lbs.)
Step 4 . . Plus 1/4 turn—Do not use torque wrench
Cylinder Head Cover
Bolts . . . . . . . . . . . . . . . . . . . 12 N·m (105 in. lbs.)
Exhaust Manifold to Cylinder Head
Bolts . . . . . . . . . . . . . . . . . . . 23 N·m 200 in. lbs.)
Exhaust Manifold Heat Shield
Bolts . . . . . . . . . . . . . . . . . . . . 12 N·m 105 in. lbs.
Engine Mount Bracket to Block
Bolts . . . . . . . . . . . . . . . . . . . . 61 N·m (45 ft. lbs.)
Engine Mount Isolator
Nuts . . . . . . . . . . . . . . . . . . . . 61 N·m (45 ft. lbs.)
300M
3.5L ENGINE
9 - 61
SPECIFICATIONS (Continued)
DESCRIPTION
TORQUE
Generator Bracket
Bolts . . . . . . . . . . . . . . . . . . . . 54 N·m (40 ft. lbs.)
Intake Manifold
Bolts—M8 . . . . . . . . . . . . . . . 28 N·m (250 in. lbs.)
Bolts—M6 . . . . . . . . . . . . . . . 12 N·m (105 in. lbs.)
Oil Pan
Bolts—M6 . . . . . . . . . . . . . . . 12 N·m (105 in. lbs.)
Bolts—M8 . . . . . . . . . . . . . . . 28 N·m (250 in. lbs.)
Oil Pan Drain
Plug . . . . . . . . . . . . . . . . . . . . 35 N·m (25 ft. lbs.)
Oil Filter . . . . . . . . . . . . . . . . . 20 N·m (15 ft. lbs.)
Oil Pump to Block
Bolts . . . . . . . . . . . . . . . . . . . 28 N·m (250 in. lbs.)
Oil Pump Cover
Bolts . . . . . . . . . . . . . . . . . . . 12 N·m (105 in. lbs.)
Oil Pump Pick Up Tube
Bolt . . . . . . . . . . . . . . . . . . . 28 N·m (250 in. lbs.)
PCV Valve
Valve . . . . . . . . . . . . . . . . . . . . 7 N·m (60 in. lbs.)
Rear Crankshaft Seal Retainer
Bolts . . . . . . . . . . . . . . . . . . . 12 N·m (105 in. lbs.)
Rocker Shaft Pedestal Retaining
Bolts . . . . . . . . . . . . . . . . . . . 31 N·m (275 in. lbs.)
Spark Plugs
Spark Plugs . . . . . . . . . . . . . . 28 N·m (20 ft. lbs.)
Structural Collar
(Refer
to
procedure
for
torque
sequence
and
specification.)
Thermostat Housing/Water Inlet Connector
Bolts . . . . . . . . . . . . . . . . . . . 12 N·m (105 in. lbs.)
Throttle Body
Bolts . . . . . . . . . . . . . . . . . . . 12 N·m (105 in. lbs.)
Timing Belt Tensioner
Bolts . . . . . . . . . . . . . . . . . . . 28 N·m (250 in. lbs.)
Timing Belt Tensioner Pulley Assembly
Bolt . . . . . . . . . . . . . . . . . . . . . 61 N·m (45 ft. lbs.)
Timing Belt Cover Bolts
M6 . . . . . . . . . . . . . . . . . . . . 12 N·m (105 in. lbs.)
M8 . . . . . . . . . . . . . . . . . . . . 28 N·m (250 in. lbs.)
M10 . . . . . . . . . . . . . . . . . . . . . 54 N·m (40 ft. lbs.)
Water Pump to Timing Belt Cover
Bolts . . . . . . . . . . . . . . . . . . . 12 N·m (105 in. lbs.)
Water Outlet Housing Bleed
Screw . . . . . . . . . . . . . . . . . . . . 8 N·m (70 in. lbs.)
SPECIAL TOOLS
3.5L ENGINE
Puller Damper 1023
Crankshaft Damper Remover Insert C-4685-C2
Crankshaft Damper Installer Bolt C-4685-C1
Crankshaft Damper Installer 6792-1
9 - 62
3.5L ENGINE
300M
SPECIFICATIONS (Continued)
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