QuestionWhat is the std rod bearing clearance of a 2003 3.3L motor for a Dodge Grand Caravan?
Answer3.3/3.8L ENGINE
DESCRIPTION SPECIFICATION
General Specification
Type 60° V-6 Engine
Number of Cylinders 6
Displacement
—3.3L 3.3 Liters
(201 cu. in.)
—3.8L 3.8 Liters
(231 cu. in.)
Bore
—3.3L 93.0 mm
(3.66 in.)
—3.8L 96.0 mm
(3.779 in.)
Stroke
—3.3L 81.0 mm
(3.188 in.)
—3.8L 87.0 mm
(3.425 in.)
Compression Ratio
—3.3L 9.35:1
—3.8L 9.6:1
Firing Order 1-2-3-4-5-6
Cylinder Number (Front to Rear)
—Front Bank 2,4,6
—Rear Bank 1,3,5
Compression Pressure—Minimum 689.5 kPa
(100 psi)
Max. Variation Between Cylinders 25%
Cylinder Block
Cylinder Bore Diameter (Standard)
—3.3L 92.993–93.007 mm
(3.661–3.6617 in.)
—3.8L 95.993–96.007 mm
(3.7792–3.780 in.)
Out-of-Round (Service Limits) 0.076 mm
(0.003 in.)
Taper (Service Limits) 0.051 mm
(0.002 in.)
Lifter Bore Diameter 22.980–23.010 mm
(0.905–0.906 in.)
Deck Surface Flatness (Max.) 0.1 mm
(0.004 in.)
Pistons
Piston Diameter
—3.3L —Measured 39.8 mm (1.567 in.) from piston top 92.968–92.998 mm
(3.660–3.661 in.)
—3.8L —Measured 33.01 mm (1.30 in.) from piston top 95.968–95.998 mm
(3.778–3.779 in.)
Clearance in Bore @ Size Location (New) -0.005–0.039 mm
(-0.0002–0.0015 in.)
Weight
—3.3L 362 ±5 grams
(12.77 ±0.1764 oz.)
—3.8L 426 ±5 grams
(15.03 ±0.1764 oz.)
Piston Pins
Type Press Fit in Rod (Serviced as an Assembly)
Clearance in Piston @ 21° C (70° F) 0.006–0.019 mm
(0.0002–0.0007 in.)
Clearance in Connecting Rod (Interference Fit)
Diameter 22.87–22.88 mm
(0.9007–0.9009 in.)
Length
—3.3L 67.25–67.75 mm
(2.648–2.667 in.)
—3.8L 71.25–71.75
(2.805–2.824 in.)
Piston Rings
Ring End Gap—Top Compression Ring 0.18–0.38 mm
(0.007–0.015 in.)
Wear Limit 1.0 mm
(0.039 in.)
Ring End Gap—2nd Compression Ring 0.28–0.57 mm
(0.011–0.022 in.)
Wear Limit 1.0 mm
(0.039 in.)
Ring End Gap—Oil Control Steel Rails 0.23–0.78 mm
(0.009–0.030 in.)
Wear Limit 1.88 mm
(0.074 in.)
Ring Side Clearance—Top Compression Ring
—3.3L 0.030–0.080 mm
(0.0012–0.0031 in.)
—3.8L 0.030–0.069 mm
(0.0012–0.0027 in.)
Wear Limit 0.10 mm
(0.004 in.)
Ring Side Clearance—2nd Compression Ring
—3.3L 0.030–0.095 mm
(0.0012–0.0037 in.)
—3.8L 0.041–0.085 mm
(0.0016–0.0033 in.)
Wear Limit 0.13 mm
(0.005 in.)
Ring Side Clearance—Oil Ring Pack 0.039–0.200 mm
(0.0015–0.0078 in.)
Wear Limit 0.266 mm
(0.009 in.)
Ring Width—Top Compression Ring
—3.3L 1.46–1.49 mm
(0.0575–0.058 in.)
—3.8L 1.175–1.190 mm
(0.0462–0.0468 in.)
Ring Width—2nd Compression Ring —3.3/3.8L 1.46–1.49 mm
(0.0575–0.058 in.)
Ring Width—Oil Ring (Steel Rails)
—3.3L 0.435–0.490 mm
(0.017–0.019 in.)
—3.8L 0.435–0.510 mm
(0.017–0.020 in.)
Connecting Rod
Bearing Clearance 0.019–0.065 mm
(0.0008–0.0026 in.)
Wear Limit 0.074 mm
(0.003 in.)
Side Clearance 0.13–0.32 mm
(0.005–0.013 in.)
Wear Limit 0.38 mm
(0.015 in.)
Crankshaft
Material Nodular Iron
Connecting Rod Journal Diameter 57.979–58.005 mm
(2.2827–2.2837 in.)
Main Bearing Journal Diameter 63.993–64.013 mm
(2.5194–2.5202 in.)
Journal Out-of-Round (Max.) 0.025 mm
(0.001 in.)
Journal Taper (Max.) 0.025 mm
(0.001 in.)
End Play 0.09–0.24 mm
(0.0036–0.0095 in.)
Wear Limit 0.381 mm
(0.015 in.)
Main Bearing Diametrical Clearance
—No. 1, 2, 3, 4 0.011–0.055 mm
(0.0005–0.0022 in.)
Wear Limit 0.076 mm
(0.003 in.)
Camshaft
Journal Diameter
No.1 50.724–50.775 mm
(1.997–1.999 in.)
No.2 50.317–50.368 mm
(1.9809–1.9829 in.)
No.3 49.936–49.987 mm
(1.9659–1.9679 in.)
No.4 49.530–49.581 mm
(1.9499–1.9520 in.)
Bearing Clearance—Diametrical 0.025–0.101 mm
(0.001–0.004 in.)
Bearing Clearance (Max. allowable) 0.127 mm
(0.005 in.)
End Play 0.254–0.508 mm
(0.010–0.020 in.)
(Max. allowable) 0.304 mm
(0.012 in.)
Camshaft Bearing Diameter
No. 1 50.800–50.825 mm
(1.9999–2.0009 in.)
No. 2 50.393–50.419 mm
(1.9839–1.9849 in.)
No. 3 50.013–50.038 mm
(1.9690–1.9699 in.)
No. 4 49.606–49.632 mm
(1.9529–1.954 in.)
Exhaust Valve Timing
Closes—3.3L (ATDC) 13°
Closes—3.8L (ATDC) 18°
Opens—3.3L (BBDC) 43°
Opens—3.8L (BBDC) 46°
Duration—3.3L 236°
Duration—3.8L 244°
Intake Valve Timing
Closes—3.3L (ABDC 52°
Closes—3.8L (ABDC 63°
Opens—3.3L (ATDC) 6°
Opens—3.8L (ATDC) 1°
Duration—3.3L 226°
Duration—3.8L 242°
Valve Overlap—3.3L 7°
Valve Overlap—3.8L 17°
Lifters
Type Hydraulic Roller
Diameter O.D. 22.949–22.962 mm
(0.903–0.904 in.)
Clearance In Block 0.020–0.061 mm
0.0007–0.0024 in.)
Cylinder Head
Gasket Thickness (Compressed) 0.65–0.75 mm
(0.025–0.029 in.)
Valve Seat
Angle 44.5–45°
Valve Seat Runout (Service Limits) 0.0762 mm
(0.003 in.)
Valve Seat Width—Intake & Exhaust 1.50–2.00 mm
(0.057–0.078 in.)
Valve Guide
Guide Bore Diameter (Std.) 6.975–7.00 mm
(0.274–0.275 in.)
Valves
Valve Lift (Zero Lash)—Intake & Exhaust
—3.3L 9.80 mm
(0.385 in.)
—3.8L 11.0 mm
(0.433 in.)
Face Angle—Intake 45–45.5°
Face Angle—Exhaust 45–45.5°
Head Diameter—Intake 47.87–48.13 mm
(1.88–1.89 in.)
Head Diameter—Exhaust 35.37–35.63 mm
(1.39–1.40 in.)
Valve Margin
Intake 0.825–0.973 mm
(0.032–0.038 in.)
Exhaust 1.565–1.713 mm
(0.061–0.067 in.)
Valve Length (Overall)
Intake 125.84–126.6 mm
(4.95–4.98 in.)
Exhaust 127.2–127.96 mm
(5.00–5.04 in.)
Valve Stem Tip Height
Intake (valve tip to spring seat washer) 48.1–49.7 mm
(1.89–1.95 in.)
Exhaust (valve tip to spring seat washer) 48.53–50.09 mm
(1.91–1.97 in.)
Valve Stem Diameter
Intake (Standard) 6.935–6.953 mm
(0.2730–0.2737 in.)
Exhaust (Standard) 6.906–6.924 mm
(0.2718–0.2725 in.)
Valve Stem to Guide Clearance
Intake 0.025–0.065 mm
(0.001–0.0025 in.)
Max. Allowable (Rocking Method) 0.247 mm
(0.010 in.)
Exhaust 0.059–0.094 mm
(0.002–0.0037 in.)
Max. Allowable (Rocking Method) 0.414 mm
(0.016 in.)
Push Rods
Length 135.438 mm
(5.33 in.)
Valve Springs
Free Length (Approx.) 51.4 mm
(2.02 in.)
Wire Diameter 3.95–4.77 mm
(0.15–0.19 in.)
Number of Coils 7.52
Spring Tension (Valve Closed) 376.4–424.4 N @ 41.9 mm
(84.6–95.6 lbs. @ 1.65 in.)
Installed Height 41.1–42.7 mm
(1.61–1.68 in.)
Oil Pump
Clearance Over Rotors—Inner and Outer (Max.) 0.10 mm
(0.004 in.)
Cover Out-of-Flat (Max.) 0.025 mm
(0.001 in.)
Inner Rotor Thickness (Min.) 7.64 mm
(0.301 in.)
Outer Rotor Thickness (Min.) 7.64 mm
(0.301 in.)
Outer Rotor Clearance (Max.) 0.039 mm
(0.015 in.)
Outer Rotor Diameter (Min.) 79.95 mm
(3.148 in.)
Tip Clearance Between Rotors (Max.) 0.20 mm
(0.008 in.)
Oil Pressure
At Curb Idle Speed* (Minimum with engine at operating temerature) 34.47 kPa
(5 psi)
At 3000 rpm 205–551 kPa
(30–80 psi)
Oil Filter By-pas Valve Setting 62–103 kPa
(9–15 psi)
Oil Pressure Switch Actuating Pressure 14–28 kPa
(2–4 psi)
caution: *If pressure is ZERO at curb idle, DO NOT run engine at 3000 rpm.
yeah sorry so much it only let me cut and paste the whole thing.
