Crankcase Capacity
Oil capacity with oil filter is 4.5 qts. (4.3L).
TORQUE SPECIFICATIONS
| Application | Ft. Lbs. (N.m) |
| Axle Bracket-To-Bellhousing Bolt (Dakota 4WD) | 65 (88) |
| Axle Shaft Nut (Dakota 4WD) | 180 (244) |
| Axle Shaft-To-Differential Flange Bolt (Dakota 4WD) | 66 (90) |
| Axle-To-Insulator Bolt (Dakota 4WD) | 75 (102) |
| Camshaft Sprocket Bolt | 50 (68) |
| Camshaft Thrust Plate Bolt | 18 (24) |
| Clutch Housing-To-Cylinder Block Bolt |
| Dakota & RWD Van |
| (1) | 20-40 (27-54) |
| (2) | 35-65 (47-88) |
| All Others | 40 (54) |
| Connecting Rod Bolt | 45 (61) |
| Crankshaft Pulley Bolt | 18 (24) |
| Cylinder Head Bolt (3) |
| Step 1 | 50 (68) |
| Step 2 | 105 (143) |
| Step 3 (Verify Torque) | 105 (143) |
| Differential Pinion Nose Bracket-To-Adapter Bolt (Dakota 4WD) | 65 (88) |
| Differential Pinion Nose Bracket-To-Bellhousing Bolt (Dakota 4WD) | 65 (88) |
| Engine Mount Bracket-To-Frame Rail Bolt (Dakota 2WD) | 30 (41) |
| Engine Mount Through-Bolt |
| Dakota 2WD | 50 (68) |
| Dakota 4WD | 75 (102) |
| Engine Mount-To-Cylinder Block Bolt (Dakota) | 30 (41) |
| Engine Mount-To-Frame Bracket Bolt/Nut |
| Pickup | 75 (102) |
| RWD Van | 65 (88) |
| Exhaust Manifold Bolt & Nut | 25 (34) |
| Flywheel/Flexplate-To-Crankshaft Bolt | 55 (75) |
| Front Cover Bolt | 30 (41) |
| Main Bearing Cap Bolt | 85 (115) |
| Oil Filter Adapter Stud | 50 (68) |
| Oil Pan Bolt | 18 (24) |
| Oil Pump Bolt | 30 (41) |
| Rocker Arm Bolt | 21 (28) |
| Shift Motor Bolt (Dakota 4WD) | 65 (88) |
| Spark Plug | 30 (41) |
| Transfer Case Yolk Bolt (Dakota 4WD) | 20 (27) |
| Vibration Damper Bolt | 135 (183) |
| Water Pump Bolt | 30 (41) |
| Wheel Lug Nut |
| 1/2" | 85-105 (115-142) |
| 5/8" | 177-225 (240-305) |
| INCH Lbs. (N.m) |
| Intake Manifold Bolt |
| Step 1 (4) (Bolts No. 1 & 2) | 71 (8) |
| Step 2 (Bolts 3 Through 12) | 71 (8) |
| Step 3 (Verify Torque) | 71 (8) |
| Step 4 (Torque All Bolts) | 142 (16) |
| Step 5 (Verify Torque) | 142 (16) |
| Intake Manifold Plenum Pan Bolt |
| Step 1 | 27 (3) |
| Step 2 | 44 (5) |
| Step 3 | 89 (10) |
| Step 4 (Verify Torque) | 89 (10) |
| Oil Pump Cover Bolt | 97 (11) |
| Valve Cover Bolts | 97 (11) |
| (1) Bolts through clutch housing into cylinder block. (2) Bolts through cylinder block into clutch housing. (3) Tighten bolts in sequence. (Схема №4) (4) Tighten bolts in alternating steps of 12 INCH lbs. (1.4 N.m) to 71 INCH lbs. (8 N.m). (Схема №3) |
| (1) | Bolts through clutch housing into cylinder block. |
| (2) | Bolts through cylinder block into clutch housing. |
| (3) | Tighten bolts in sequence. (Схема №4) |
| (4) | Tighten bolts in alternating steps of 12 INCH lbs. (1.4 N.m) to 71 INCH lbs. (8 N.m). (Схема №3) |
GENERAL SPECIFICATIONS
| Application | Specification |
| Displacement | 239 Cu. In. (3.9L) |
| Bore | 3.91" (99.3 mm) |
| Stroke | 3.31" (84.1 mm) |
| Compression Ratio | 9.1:1 |
| Fuel System | PFI |
| Horsepower @ RPM | 175 @ 4800 |
| Torque Ft. Lbs. @ RPM | 225 @ 3200 |
CRANKSHAFT, MAIN BEARINGS & CONNECTING ROD BEARINGS SPECIFICATIONS
| Application | In. (mm) |
| Crankshaft End Play |
| Standard | .002-.007 (.05-.18) |
| Wear Limit | .010 (.25) |
| Main Bearings |
| Journal Diameter | 2.4995-2.5005 (63.487-63.513) |
| Journal Out-Of-Round | .001 (.03) |
| Journal Taper | .001 (.03) |
| Oil Clearance |
| Journal No. 1 |
| Standard | .0005-.0015 (.013-.038) |
| Wear Limit | .0015 (.038) |
| All Others |
| Standard | .0005-.0020 (.013-.051) |
| Wear Limit | .0025 (.064) |
| Connecting Rod Bearings |
| Journal Diameter | 2.124-2.125 (53.950-53.975) |
| Journal Out-Of-Round | .001 (.03) |
| Journal Taper | .001 (.03) |
| Oil Clearance |
| No. 1 | .0005-.0015 (.013-.038) |
| Nos. 2, 3, & 4 | .0005-.0020 (.013-.051) |
| Wear Limit | .0025 (.064) |
| Side Play | .006-.014 (.15-.36) |
CRANKSHAFT, MAIN & CONNECTING ROD BEARINGS
PISTONS, PISTON PINS & PISTON RINGS SPECIFICATIONS
| Application | In. (mm) |
| Piston Clearance | .0005-.0015 (.013-.038) |
| Pins |
| Diameter | .9841-9843 (24.996-25.001) |
| Piston Fit | .00025-.00075 (.0064-.0191) |
| Rod Fit | (1) .0007-.0014 (.018-.036) |
| Rings |
| No. 1 & No. 2 |
| End Gap | .010-.020 (.25-.51) |
| Side Clearance | .0015-.0030 (.038-.076) |
| No. 3 (Oil) |
| End Gap | .010-.050 (.25-1.27) |
| Side Clearance | (2) .0080 (.203) Max. |
| (1) Interference fit. (2) Steel rail oil ring should be free in groove, but clearance maximum specification. |
| (2) | Steel rail oil ring should be free in groove, but clearance maximum specification. |
CYLINDER BLOCK SPECIFICATIONS
| Application | In. (mm) |
| Cylinder Bore |
| Standard Diameter | 3.910-3.912 (99.31-99.36) |
| Maximum Taper | .010 (.25) |
| Maximum Out-Of-Round | .005 (.13) |
| Maximum Oversize | .040 (1.016) |
ENGINE VALVES & VALVE SPRINGS SPECIFICATIONS
| Application | Specification |
| Intake Valves |
| Face Angle | 43.25-43.75° |
| Head Diameter | 1.916" (48.66 mm) |
| Minimum Margin | .047" (1.19 mm) |
| Stem Diameter | .311-.312" (7.90-7.93) |
| Exhaust Valves |
| Face Angle | 43.25-43-75° |
| Head Diameter | 1.624" (41.25 mm) |
| Minimum Margin | .047" (1.19 mm) |
| Stem Diameter | .311-.313" (7.90-7.92) |
| Valve Springs |
| Free Length | 1.967" (49.96 mm) |
| Installed Height | 1.640" (41.66 mm) |
| Pressure |
| Valve Closed | 85 Lbs. @ 1.640 In. (39 kg @ 41.66 mm) |
| Valve Open | 200 Lbs. @ 1.212 In. (91 kg @ 30.78 mm) |
CYLINDER HEAD SPECIFICATIONS
| Application | Specification |
| Maximum Warpage | .00075" Per 1" (.0191 mm Per 25 mm) |
| Valve Seats |
| Intake Valve |
| Seat Angle | 44.25-44.75° |
| Seat Width | .040-.060" (1.0-1.5 mm) |
| Maximum Seat Runout | .003" (.08 mm) |
| Exhaust Valve |
| Seat Angle | 44.25-44.75° |
| Seat Width | .060-.080" (1.5-2.0 mm) |
| Maximum Seat Runout | .003" (.08 mm) |
| Valve Guides |
| Intake Valve |
| Valve Guide I.D. | .313-.314" (7.95-7.98) |
| Valve Stem-To-Guide Oil Clearance |
| Standard | .001-.003" (.02-.08 mm) |
| Wear Limit | (1) .017" (.43 mm) |
| Exhaust Valve |
| Valve Guide I.D. | .313-.314" (7.95-7.98) |
| Valve Stem-To-Guide Oil Clearance |
| Standard | .001-.003" (.02-.08 mm) |
| Wear Limit | (1) .017" (.43 mm) |
| (1) Specification applies to method obtained by rocking valve stem in valve guide. |
| (1) | Specification applies to method obtained by rocking valve stem in valve guide. |
CAMSHAFT SPECIFICATIONS
| Application | In. (mm) |
| End Play | .002-.010 (.05-.25) |
| Camshaft Bearing I.D. |
| No. 1 | 2.000-2.001 (50.80-50.82) |
| No. 2 | 1.984-1.985 (50.39-50.42) |
| No. 3 | 1.953-1.954 (49.61-49.63) |
| No. 4 | 1.5625-1.5635 (39.688-39.713) |
| Journal Diameter |
| No. 1 | 1.998-1.999 (50.75-50.77) |
| No. 2 | 1.982-1.983 (50.34-50.37) |
| No. 3 | 1.951-1.952 (49.56-49.58) |
| No. 4 | 1.5605-1.5615 (39.637-39.662) |
| Oil Clearance |
| Standard | .001-.003 (.02-.08) |
| Wear Limit | .005 (.13) |
| (1) Bearings are numbered from front of camshaft. |
| (1) | Bearings are numbered from front of camshaft. |
VALVE LIFTERS SPECIFICATIONS
| Application | In. (mm) |
| Bore Diameter | .9051-.9059 (22.990-23.010) |
| Lifter Diameter | (1) .9035-.9040 (22.949-22.962) |
| Oil Clearance | .0011-.0024 (.028-.061) |
| Push Rod Length | 6.794-6.814 (172.57-173.08) |
| (1) Standard diameter valve lifter is listed. Oversize valve lifters are available in .001" (.02 mm), .008" (.20 mm) and .030" (.76 mm). |
| (1) | Standard diameter valve lifter is listed. Oversize valve lifters are available in .001" (.02 mm), .008" (.20 mm) and .030" (.76 mm). |